From 5b625d79a7aff0749be8d1f930c8ea18aebb49cf Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Fri, 3 Jul 2026 17:44:26 +0000
Subject: [PATCH] Add test vectors for c2sp.org/chunked-encryption

These are the test vectors from the chunked reference implementation
(https://github.com/FiloSottile/chunked), for use by the chunked
encryption recipe being added in #15144.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Uyk58oD6F8BJwKHE4qCMA8
---
 docs/development/test-vectors.rst             |    2 +
 .../chunked-encryption/vectors.json           | 1222 +++++++++++++++++
 2 files changed, 1224 insertions(+)
 create mode 100644 vectors/cryptography_vectors/chunked-encryption/vectors.json

diff --git a/docs/development/test-vectors.rst b/docs/development/test-vectors.rst
index 952986e1e7d6..2c7b93083291 100644
--- a/docs/development/test-vectors.rst
+++ b/docs/development/test-vectors.rst
@@ -1166,6 +1166,7 @@ Recipes
 ~~~~~~~
 
 * Fernet from its `specification repository`_.
+* Chunked encryption from the `chunked reference implementation`_.
 
 Symmetric ciphers
 ~~~~~~~~~~~~~~~~~
@@ -1267,6 +1268,7 @@ header format (substituting the correct information):
 .. _`RIPEMD website`: https://homes.esat.kuleuven.be/~bosselae/ripemd160.html
 .. _`draft RFC`: https://datatracker.ietf.org/doc/html/draft-josefsson-scrypt-kdf-01
 .. _`Specification repository`: https://github.com/fernet/spec
+.. _`chunked reference implementation`: https://github.com/FiloSottile/chunked
 .. _`errata`: https://www.rfc-editor.org/errata_search.php?rfc=6238
 .. _`enc-rsa-pkcs8.pem`: https://gitlab.com/gnutls/gnutls/blob/f8d943b38bf74eaaa11d396112daf43cb8aa82ae/tests/pkcs8-decode/encpkcs8.pem
 .. _`enc2-rsa-pkcs8.pem`: https://gitlab.com/gnutls/gnutls/blob/f8d943b38bf74eaaa11d396112daf43cb8aa82ae/tests/pkcs8-decode/enc2pkcs8.pem
diff --git a/vectors/cryptography_vectors/chunked-encryption/vectors.json b/vectors/cryptography_vectors/chunked-encryption/vectors.json
new file mode 100644
index 000000000000..556a044bdc07
--- /dev/null
+++ b/vectors/cryptography_vectors/chunked-encryption/vectors.json
@@ -0,0 +1,1222 @@
+{
+  "vectors": [
+    {
+      "name": "aes128gcm_empty_payload",
+      "comment": "empty message",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "e50ac3fa498a7a1cfb59851d26b67c3e",
+      "base_nonce": "e591e4e05c7075e3a19630e6",
+      "context": "",
+      "ciphertext": "jQt2TAuv8FiToAHpzHi2zqzwup5z5iife2mFj+stihVmHR5Hc3jre1OJdlXQUJhVzUy1khXwlat6spy/j3yoa8otwlOhTc3H",
+      "payload_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+      "payload_length": 0
+    },
+    {
+      "name": "aes128gcm_short_payload",
+      "comment": "short message, single chunk",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "a3318c4bfff63943d2c6d7dbc0e86eb8",
+      "base_nonce": "edd82a9b7ef856142912b929",
+      "context": "",
+      "ciphertext": "AHAM7+0CDakyGfMj6F5PgnRdZkMfCJ1BqrkLqS+nidSQ0EfZqwtXwohAQtpjD9Aj9i7in0CUMPaImrI6VRpl3eHmF2fnSi0dt6tiW5kB3A==",
+      "payload_sha256": "59fdd34a0b323f6044e147b843d8ca246a9414d2c7a06c8e95a7e04c3cdaf395",
+      "payload_length": 7
+    },
+    {
+      "name": "aes128gcm_two_chunks",
+      "comment": "full chunk followed by short chunk",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "308c8f6563289c0e9f9c0cad5bd994de",
+      "base_nonce": "db0bbcd9f3a0f036b50bee48",
+      "context": "",
+      "ciphertext": "eNrswKFKAwEAANADuXKC4i+IIlhEDIJYtXtoEA0HoiiC+AGiQYNRgyA2LWqwCMLBgWNcWBljDLa2cAy2ld0PrOwzVt47LWbit+rvQxKkZ1v7yUc7XZhrfe/0bpq1//Usyv/Cx4PB1+XRZ+V6vPK6lh0vbV+sNl72AgAAAAAAAAAAAAAAAAAAAGDqNvr1u8POyWI5HMXd8Hk5iM53n943r8qf23z+PixmJwEAAP//ZeQrLw==",
+      "compressed": true,
+      "payload_sha256": "b59a4422f3d676333de5a458bf65f7918320cb5a95bff656cbfaf1894455af06",
+      "payload_length": 16385
+    },
+    {
+      "name": "aes128gcm_two_chunks_full",
+      "comment": "two full chunks followed by empty terminating chunk",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "214ae1532c5ebaed1bca7010c3bca5f8",
+      "base_nonce": "17f4af4d8ec4fb341177f0d6",
+      "context": "",
+      "ciphertext": "eNrs0D8rBnEAAGD/k95SBmWRPxvpzWLw7pZ3FJMY9MZAlA/wG5iVolxcJll0JkKRziZKFAZlsOrsZzgf45bn+QjP6OnPYqWytdoIrbuDQ79/x3Htte1s//N7buSi0XE//hTNVutZ8jLW/7a8dFLtmQm3C89pPN8EAAAAAAAAAAAAAAAAAAAAlG4grOed71nzcLRx+HDQt2IEAAAAAAAAAAAAAAAAAAAAynf5NTlRrH1s7vTe1I+6i6u97WSqqxbups/ztKX9+vE/AAD//50GMyQ=",
+      "compressed": true,
+      "payload_sha256": "bb713cec0f111f25ce4f0cee267f50768aafa6666495bb7a53e16a1eed95bb3b",
+      "payload_length": 32768
+    },
+    {
+      "name": "aes128gcm_three_chunks",
+      "comment": "two full chunks followed by short chunk",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "538c1e5a2195e6e9654a08a992b35ce3",
+      "base_nonce": "3b5b056f3fc1a8939bb4b6ee",
+      "context": "",
+      "ciphertext": "eNrs0DErRAEAAOArpWx0w1vpUDZG1A0Gm7r5lFGUm9jUlcUNuk3qeoOU8bHwlmcQPYMeA4uiMKhHvUFZ0f2Mt3zfT/iKqPd1tlS9P1mtLs6m3enz4ZvDbH7h4eNi/a5ZyzcGblszx2vB28rU/s9kXP89TZLBzuXfdQUAAAAAAAAAAAAAAAAAAAAoXWPvoGjH7bFe+HSVRs8NIwAAAAAAAAAAAAAAAAAAAFC+2lz4Wu8Gy5tb40edx/fdSjAyNPHZ2mkW/6Pb2fdL3g8AAP//sBE3XQ==",
+      "compressed": true,
+      "payload_sha256": "557fa49d6cee598323afadcde088f37832a0035141e228542ff9c2854ce3bc12",
+      "payload_length": 32769
+    },
+    {
+      "name": "aes128gcm_last_chunk_empty",
+      "comment": "full chunk followed by empty terminating chunk",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "e316653548a1ca7df73142c31ba8d118",
+      "base_nonce": "713b3e8cf56dbab08828ef3b",
+      "context": "",
+      "ciphertext": "eNrswK9KA3EAAODDIoIPYFMxWQ60GEWuiCDKgcVkM4h/ihyHeAjaNCkICgYR4UBfwGQw+SsLx2BhbQyWNsZYG2yPsfJ91+vN9tFhfP6yvVU9NMbJ/ONNcrBSPc8UZ+H38rUX12drq+XC3dsoW9rtbg5PlvOdcq5/HAEAAAAAAAAAAAAAAAAAAABT95GF06/O3n34/7sIiz8bt+n3U3EVpdFg//0zX2tNAgAA///GBywp",
+      "compressed": true,
+      "payload_sha256": "713b16aed63fe6e47ded43d6aee66c698fa7c3bd602054bb088f2fbf006d4f66",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes128gcm_257_chunks",
+      "comment": "256 full chunks plus short chunk, tests counter rollover past 0xFF",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "a4872c2cff146bb0eab9aeeed55674ab",
+      "base_nonce": "316c5dd75c34290a7a7fd553",
+      "context": "",
+      "ciphertext": 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+      "compressed": true,
+      "payload_sha256": "fb806a337e0c032cf40e66d16e8062f838b4a2a060cf721cb8ff4bb4f6efacbc",
+      "payload_length": 4194305
+    },
+    {
+      "name": "aes128gcm_context",
+      "comment": "short message with non-empty context string",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "c38fde39fcd892a92057a3d6e768ea4f",
+      "base_nonce": "d973660dd9034d867626bc35",
+      "context": "test context",
+      "ciphertext": "1lgyAO+0kNXLBqyZ1WWh+JJH0pOgIWlaSNDXzPf3LEffjYoRwNh41ppe3vvtTERAukV7gLI5se0xB5lHl5cW4WxtG8XIaf606QQaJExwJA==",
+      "payload_sha256": "59fdd34a0b323f6044e147b843d8ca246a9414d2c7a06c8e95a7e04c3cdaf395",
+      "payload_length": 7
+    },
+    {
+      "name": "aes128gcm_context_with_null",
+      "comment": "short message with context containing a null byte",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "84a5472309c80a259d4d75e0ba9b471e",
+      "base_nonce": "ff1f32b0a550be249d40bdb4",
+      "context": "test\u0000context",
+      "ciphertext": "Dwxc2Tg7OSbSD+dCEAOPTK+PEdGwXb2HGe7Mglm9Atu30qWq5wOc4gjOv4OC2+XD3DQ2bkuM7nyYE65adSOEH26q5v1Elbq2BnlwC1AFkA==",
+      "payload_sha256": "59fdd34a0b323f6044e147b843d8ca246a9414d2c7a06c8e95a7e04c3cdaf395",
+      "payload_length": 7
+    },
+    {
+      "name": "aes128gcm_bad_tag",
+      "comment": "single chunk with flipped ciphertext bit",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "b2e9863437a68aa9fbf5ea05cd31bda8",
+      "base_nonce": "cde5f24b64e8321240b049d3",
+      "context": "",
+      "ciphertext": "r/DJIBW7v/j5VIt9+bAmoZWz7ZqsuFSuE9eQIjnr2BUAuOIUQrITv54GVypcneh6XIzozp5ubM0ACOYNIAtV4a7hwfahg2Lw4g=="
+    },
+    {
+      "name": "aes128gcm_bad_tag_second_chunk",
+      "comment": "full chunk followed by corrupted short chunk",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "cd7ceea3fc2dcf327fe60d41834b0121",
+      "base_nonce": "1f4c8991a519c51af1d69674",
+      "context": "",
+      "ciphertext": "eNrswCFKxWAAAOCHwSIIgsFgsCgKYrA9BDFsWS+wMjAM0bXdQdOCsGZRBDEZxGQRYawIM8hWDApi2fi7xWO88n37zWH/08b9eBxtdcsXc9dh9+9r5WzncqMcno6aaO1ufiEt2uSjGE6qzfu8Og3l+mP2OQEAAAAAAAAAAAAAAAAAAABmrns+f6mTsLd4M30/2A7pZLy9ilfrh6W3OPv9nr7m/wEAAP//kHQuWQ==",
+      "compressed": true,
+      "payload_sha256": "d8221c92b177e1ce310a662a0e201261093da403e0219523083aa67a47846c84",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes128gcm_bad_tag_second_chunk_full",
+      "comment": "two full chunks with empty terminator, second chunk corrupted",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "f97891346ff84d8b9b6446e267dcfd01",
+      "base_nonce": "91ed8e8c37ee364dc0b37b95",
+      "context": "",
+      "ciphertext": "eNrs0D8rBQEAAHCy+JNXBoPbDS/lz+DZJG9UBs97lreZnkGmKwaF09VlMygZb7CSum+gW678GaRTyioLA7H4GLf8fh/h9xlk21MDzbHremN2slxs9qffb/FRfFnf2VqOl77mwjy7bd98FO3hq5UkWTt53Xw6G9wfWu0DAAAAAAAAAAAAAAAAAAAAKle7+2k9d/KF9fOge9zqTBsBAAAAAAAAAAAAAAAAAACA6u29/PbC8Y0ySoO/kdPu4cNEo9Z7jw4eL3aLmfv50f8AAAD//94jMHo=",
+      "compressed": true,
+      "payload_sha256": "6752377acf4d3f1397809da9320fe59cb9da38d57bf5084faf8f40123ed9c135",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes128gcm_bad_tag_empty_final_chunk",
+      "comment": "full chunk followed by empty terminating chunk with corrupted tag",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "0a2359fc5b14a1057e7b64261f269392",
+      "base_nonce": "22fcf8cc054e15ae48d5c1a1",
+      "context": "",
+      "ciphertext": "eNrswKFKAwEAAFANHhhMIqIY9Cwm8UQNVoOIRVAsgojFLgZRLIrNcKLpwKDBZjDv0tJgLG0MFsaxsrQb7NLKYJ+x8t79/lP1cfflLE6y9vp5J33Inl/DjzD//I2CuevpYTkuNWfSq0Fwe1zZW9486v7d3L2vzv5MAQAAAAAAAAAAAAAAAAAAABO3VhzuLLQu69HG4tb3f37a7y3NF2/J1+hiu3FQWzkZBwAA//+/+CoA",
+      "compressed": true,
+      "payload_sha256": "38667ebf422a8d9acd6bceff14e8660f9c04a92d2e27ff26c5fc04499263f7d7",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes128gcm_bad_tag_first_chunk",
+      "comment": "corrupted first chunk followed by valid short chunk",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "fe05acb7cbb14b3d5f8213fe35dab3ef",
+      "base_nonce": "a6a030c00e46fbd1a0c8caec",
+      "context": "",
+      "ciphertext": "eNrswK1KxAAAAOD500QYKDKRBTGYZhEMSwaDFoPJJmgQxex/EGFBwWbRaBLmrAqCFtOt7TFubVeOcQf3GFe+ryxOq0H29Pl3t9POLh53Xifi/4eleu3nvZrvT24m09dx+phc5Vl9frK8EV00veb59vtyOwAAAAAAAAAAAAAAAAAAAADG7mxlaxi+7K+2b3Ppwc3vTBDt5R9fh/dhebTenVrYLUYBAAD//7sEKMY=",
+      "compressed": true
+    },
+    {
+      "name": "aes128gcm_missing_tag",
+      "comment": "single chunk truncated to remove authentication tag",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "5b36623605cf46073355532bf80bda6f",
+      "base_nonce": "cb97897fb35b760289229b8f",
+      "context": "",
+      "ciphertext": "piPFkDbzc3VpFp/qrptl7aJOIz/hB6RvrArS4fdUXyxuOuFoubWJNTFvPicBo81MawkPGIBtitwA"
+    },
+    {
+      "name": "aes128gcm_short_chunk",
+      "comment": "payload shorter than one authentication tag",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "f105a70ae83f6f149a5ca42bae65efbf",
+      "base_nonce": "9d39131341c482ee3e53b852",
+      "context": "",
+      "ciphertext": "BDb1hsveQNznRPwG6M0sFkGQgwfPPtyqUpPr9Y91HOG/vNfUt4ziag0zv4y4N1PmodHUa/ka8Zh9xGngGkfjdT+LfZ0="
+    },
+    {
+      "name": "aes128gcm_trailing_garbage_long",
+      "comment": "valid chunk followed by 20 trailing bytes",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "9670ca4cf8c9e929ccf177b413a6a416",
+      "base_nonce": "ae41e8a73635dcac730a3187",
+      "context": "",
+      "ciphertext": "eNrswDErRHEAAHAWMcmAkuUNWEwiZTJ63qgwUIov4Nk8j9VAXskmyqBe4r8ZDJSkqxtvuDdc9yWu64Zb7mPc8vs1soeV9ebLc7l2tPR5ufw1Ov7495EuhN/bg/NQzNRP+mfbvfZcZyrer51eVN3du8mb1+vp1REAAAAAAAAAAAAAAAAAAABg6KJo42fs6j9Z3NrL57+Pq8MQv8+2yqe3bDNP7ot8YiekgwAAAP//NN8rXg==",
+      "compressed": true,
+      "payload_sha256": "be98adf457975dfb6ed854cc2743a8ab032d66853db27268eccb881bdd29d777",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes128gcm_trailing_garbage_short",
+      "comment": "valid chunk followed by 12 trailing bytes",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "982f03149a7fc53207fb848ca0b85171",
+      "base_nonce": "d89e6705a1a9d7f19af00052",
+      "context": "",
+      "ciphertext": "eNrswKFKAwEAAFBtlvMTbCLGQxGDYlGD4UBN2g7O4onpgojZcoqIIGc9TIKCGweLC1sYDJbG6urq0mCw7TNW3qv28iTbD88ORuV8c7Kx2o7f3p/CcVTVZ9nnTdSMX4dfwU92fXJ1nx49vnTy0/Ok/7vzvQIAAAAAAAAAAAAAAAAAAAAs3dpftzfY+iinF0X6sH3bCC5r/8Xzemv37vhwEQAA///BUijV",
+      "compressed": true,
+      "payload_sha256": "88515d647daaea32a4cb7ba62c9573c7f51eaf4e8b665de454804dfdd2c4c381",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes128gcm_no_chunks",
+      "comment": "header only, no encrypted chunks",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "5d7a4ae5b65cb979a8f068ae748774fc",
+      "base_nonce": "3db5eece8c4e97c356ee6862",
+      "context": "",
+      "ciphertext": "VLeZd2Y8CKWt1Ln2cS+lVFj03AGXI3cMmhNWFArMUp2FeqWWQxWoJI3/JrWldOcu7MWy6b2hCbU="
+    },
+    {
+      "name": "aes128gcm_wrong_commitment",
+      "comment": "valid ciphertext with wrong commitment",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "context": "",
+      "ciphertext": "OKeE0NzfhC50CHp1KYJuw6+1DaPcrLFH6Tjl8YHo9zlqXWiy4kiKrJfWmxSQp/RfNO18TmIJQ4cAiWvvGqMwfLEDtoSbEkCFlQ=="
+    },
+    {
+      "name": "aes128gcm_wrong_key",
+      "comment": "valid ciphertext decrypted with wrong key",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "4f52414e4745205355424d4152494e45",
+      "context": "",
+      "ciphertext": "RR55WIyDDbWhomd4BbFUAYiojlLz1jKcLSOeNmuSPy89LWXJ93JhJlYdcbgy/2qIeoaub0BK2jYAuOUG0YVo8dhqLSgmPSFKGw=="
+    },
+    {
+      "name": "aes128gcm_short_key",
+      "comment": "valid ciphertext encrypted with too-short key",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "4f52414e4745205355424d4152494e",
+      "context": "",
+      "ciphertext": "dEqJqritKX23zD+htNL1eeZ4PZG3cezcmaiIxHaWDKVrc/et96r1G1KTUiugUF+Vh475fRWa0aUAtzXoT3I3j1LktQzEuc/ewQ=="
+    },
+    {
+      "name": "aes128gcm_long_key",
+      "comment": "valid ciphertext encrypted with too-long key",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "4f52414e4745205355424d4152494e4520",
+      "context": "",
+      "ciphertext": "7TvgC88MJ+em5pYQW9a452ovyygpRZqspM6I6C+K3UFp1n97c8Vnm/4k1dUBOSqEBCDdF/RzPdwARs+hpqBqu4HVsW3uw7dBrQ=="
+    },
+    {
+      "name": "aes128gcm_wrong_context",
+      "comment": "valid ciphertext decrypted with wrong context",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "context": "wrong context",
+      "ciphertext": "gCmYLJZtErk/cb+/eR31ClVV3/Svq4s+KKhg7tez1f3iCBC6x9oNk55aitAqgNUOHicfJXI3CeQArwoRcCKyr1Ck5JPTQsdIdg=="
+    },
+    {
+      "name": "aes128gcm_wrong_salt",
+      "comment": "valid ciphertext with corrupted salt",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "context": "",
+      "ciphertext": "kRmAWOJk9RMSK3mW1H3IwGrcyxNWdFQsO/OrtLDoFYvgkYqvgNG06NPXRxA33+WF83rNMypC22QAhravTpR2FU9ARXc1y+UUpQ=="
+    },
+    {
+      "name": "aes128gcm_empty_message",
+      "comment": "zero-length ciphertext, too short for header",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "context": "",
+      "ciphertext": null
+    },
+    {
+      "name": "aes128gcm_short_header_no_commitment",
+      "comment": "only salt, no commitment",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "context": "",
+      "ciphertext": "xDl3n+CNRpjiejc4P0vNmcue5xq+gB/M"
+    },
+    {
+      "name": "aes128gcm_short_header_partial_commitment",
+      "comment": "salt and partial commitment (40 of 56 header bytes)",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "context": "",
+      "ciphertext": "IZcs6rgvQrgbH7zFUGNpgLxE82xzvyqw7AD4wuqhZh3cVaLIq6YPSw=="
+    },
+    {
+      "name": "aes128gcm_short_header_no_salt",
+      "comment": "too short to contain even the salt",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "context": "",
+      "ciphertext": "IMFBqEkcK0lWSQ=="
+    },
+    {
+      "name": "aes128gcm_truncated_at_chunk_boundary",
+      "comment": "full chunk without terminating empty chunk",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "d6fab8eef1bfce823de286e9597a1e0e",
+      "base_nonce": "3755007176bff57cccefb340",
+      "context": "",
+      "ciphertext": "eNrswK1qAgEAAODVMdje4BiDwW1l4dhYXd8Gg6WLh2CweEmvGwRBREEfQcNdslnuEQTBYNAo+Fd8Ah/D8n3hdtdZB+3/WhnPHvbNeX5XiZL6NPkpGsv8fdR9XPzdHs/DcfkSfcbV4O31Odt8p7+tGwAAAAAAAAAAAAAAAAAAAODqsvu0d/h4CsvBV7E6TfqXAAAA///khCKJ",
+      "compressed": true,
+      "payload_sha256": "48979362d2ab899a947ee88a0ab62d1595926df911cb4bd064a14c26b12226b5",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes128gcm_truncated_mid_chunk",
+      "comment": "full chunk followed by second chunk truncated mid-body",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "edd3bc71735e72a458ec64ad8e053ff5",
+      "base_nonce": "3fd935aee5bb1f7b3028b036",
+      "context": "",
+      "ciphertext": "eNrs0KFqAgEAANCLK2u3lcH2BwtjDI4NFre+sh0LYybBYDGImBWLoNlwdsEDNVqMyhWxXLksRpNg8DMEee8T3tugVdz1H9u7cvpw7L2E+c/Noch/a//vrx/pPoy+noaz5/X39eJv+dmMkyzdZPfJ1bQeAAAAAAAAAAAAAAAAAAAAAGc3aXSqo25lG63GpSCe3xoBAAAAAAAAgMtzCgAA///SBCON",
+      "compressed": true,
+      "payload_sha256": "07ee4a408f1573a4276b05f96d053123526a7f2a726b05ef12e36ec4b49ebc95",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes128gcm_swapped_chunks",
+      "comment": "two full chunks plus short final chunk, chunks 0 and 1 swapped",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "058cc3468774d7dfa2c125880c4a4dc8",
+      "base_nonce": "e5c4c09e33f3f8af86211465",
+      "context": "",
+      "ciphertext": "eNrs0D8rBQEAAPC3yJvUM1hMT3wAk/wflU/wSq48MXiLxW1KmCh/RqtBuStSluvI4BalbsBiIKEkBuvVlY9xy+/3EX4D/Y2f3fPDtevX8b5kKi2SfLl9Ofk78vi5+H4Tdy52gk55cvC9GpSth7u95vRfGjbPto+GawAAAAAAAAAAAAAAAAAAAEDl7rOt/ZXb4Or0I85eFsK2EQAAAAAAAAAAAAAAAAAAAKjeUFFfz8eeovh5sGu+t/FW2/jaTEbrE909UWvpeG525j8AAP//F+E2uw==",
+      "compressed": true
+    },
+    {
+      "name": "aes128gcm_duplicated_chunk",
+      "comment": "chunk 0 duplicated in place of chunk 1, followed by short final chunk",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "058f8385b872cfee8147c6531211e731",
+      "base_nonce": "1c669359c4d0281a532ee431",
+      "context": "",
+      "ciphertext": "eNrs3K9KxAAAgHH/oPgSMxksBg12QVAwisEZDLYFp1mGCDY1KIYFjaLNpOwRnGUgPoFOw7FwdxwcHMfuHuAeYOX3e4TvAb7TznM+t5sWdfCw/333U9+fJUd/8/8Hm1tre0vH08Xt+W+8cXW5nbd7Wfj2utwK11cHZZ1MAQAAAAAAAAAAAAAAAAAAAI2r0mD09HKz8vH4Ppw9qb4UAQAAAAAAAAAAAAAAAAAAgOZN/AD6i91opjiMyuv4M9tZuBgHAAD///X1Ot4=",
+      "compressed": true,
+      "payload_sha256": "3f95544bde9526985b6f1e796a54a47d9d74918ecc326bb49abbd1b0358edd72",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes128gcm_extension_after_final",
+      "comment": "valid full chunk and short final chunk followed by extra encrypted chunk",
+      "aead": "AEAD_AES_128_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e45",
+      "aead_key": "ef2e79c97a30635371207686ab0093b3",
+      "base_nonce": "09879d3dbd6f25b46fd0221b",
+      "context": "",
+      "ciphertext": "eNrswD+LgXEAwPHf/emGW67nuqu76erquuV6rm6460xmxUBPFitJ2ZSJ6FGKSGyekNGgKMmghPFBkSTDU55VZFImXobl+4k0XpRqq7aYW9/y7utucuKNvfqi9ceMbZkOqt9Fffvw9H+7OQnz5zDTj/FPJVWoSMOBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAF9fWwprlXvv6U5xXzVGgI3qGa/+cMNWp//fdk+1/iHHpbpXbOSQjJN+U5bX9HAAA///5lzLy",
+      "compressed": true,
+      "payload_sha256": "db6c8c61df64eb22f1b6df060603b16847740f16f36f3b7e21f6905683113f2a",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes256gcm_empty_payload",
+      "comment": "empty message",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "9743f764ac9fccfaf733617c989c67bc67ee7e21f7fedbc864bab26356630e78",
+      "base_nonce": "d8857bff507d0677f95e6d44",
+      "context": "",
+      "ciphertext": "ywP6x9b2OJx41zv5+eI56OCUyutMsyrW15x/qLVxATbZ/Inn/1A4+xyTZAiS8dLXMbLiXoESwh+lCH82PQ49AvclLt4QmC1T",
+      "payload_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+      "payload_length": 0
+    },
+    {
+      "name": "aes256gcm_short_payload",
+      "comment": "short message, single chunk",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "a35b71410a61ad877058f19e01d825ed422c68c07af14ba954b63e9cc4b0968b",
+      "base_nonce": "c03301c264f2fe9f7a403950",
+      "context": "",
+      "ciphertext": "suFSoW47uFy+w4rGMCbiWA1DrxUXIw4oCx2wJll6qVcRLXPdurkBJemLtkDKHhYRajeA3pd/QdQI9vxs6/0ELHVDhRXzH+agv2axUdZiXw==",
+      "payload_sha256": "59fdd34a0b323f6044e147b843d8ca246a9414d2c7a06c8e95a7e04c3cdaf395",
+      "payload_length": 7
+    },
+    {
+      "name": "aes256gcm_two_chunks",
+      "comment": "full chunk followed by short chunk",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "f6cef21f1185077e66ebb4bbcbfbc9541ba64516df19dd0a20d9e6dcc593cf63",
+      "base_nonce": "312deb2cd6b5055d2fbf18b6",
+      "context": "",
+      "ciphertext": "eNrswK1KAwEAAOALckmwqCgGMSpYhEv+BMMhHAhi1HLhsPoEihi0KdyhoFWDTSyCHFZBX0ARMY3jyhY22BY29hgr33e81H1/KsKN/dnV8ubi8+ftZDneyg4PknZYrfSfH8tGL//f+Z1PPx6S+2zQXPiL0uLq/CUAAAAAAAAAAAAAAAAAAAAAxq61np9Vk3uvd5vx1NrE5Vfw3Ylmtut6uDs3fbt4enQ9CgAA//8oGCxn",
+      "compressed": true,
+      "payload_sha256": "1ce894764f93155e8b85833f1b594e764d5567d216d5018da2bfc67db58cb70b",
+      "payload_length": 16385
+    },
+    {
+      "name": "aes256gcm_two_chunks_full",
+      "comment": "two full chunks followed by empty terminating chunk",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "373a3a7172d3291a26eddf0e7ec0b87188de0d86df36b042248c28531fb79585",
+      "base_nonce": "01832db2f3dea0657f087a0b",
+      "context": "",
+      "ciphertext": "eNrs0D8rRAEAAPC7ZFOuLKSOSV2d19WVokzKaL1ZTKQQZdPLYvANkFOW17NRrwzKIs/Cquff9F4yqrdY7mO85ff7CL+34zR7mOp2yvK9tznWmPh5OdtbT+NWEZ0Hh91e/WA+CfL/r3Dx7qj2GnSW/6ZXbz4uR4oaAAAAAAAAAAAAAAAAAAAAULnZ652h52RtOGz3d7M4OjUCAAAAAAAAAAAAAAAAAAAA1Ws//jZnynp/KRzN7zeuGgvb4/tbF08r383P25PJudYgAAD//3iLMpU=",
+      "compressed": true,
+      "payload_sha256": "f4dfc3421ebf2d9ad6d037d1f90b297db37a8d29f2685b8ba9cb67549c54676b",
+      "payload_length": 32768
+    },
+    {
+      "name": "aes256gcm_three_chunks",
+      "comment": "two full chunks followed by short chunk",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "2ac96fb765fc43fc06e7d465f2e5081d9bdd0c528cf608e9eac648493a8fd4be",
+      "base_nonce": "99b58c12b2cdb2893746e14a",
+      "context": "",
+      "ciphertext": "eNrs0D8rRAEAAPAblCQpk0nUDXILX+ANV1cMROlK12W4GbsYJEdy0vsA8ob3SqIserPF4N+ivDK9TSxKeQODj/GW3+8j/LKHg1awtt6dS5sfj4tLC9/57WbreX9nI73bqq6G3ae/5kkQTUd759l8e+omCcJGfaDW+KoAAAAAAAAAAAAAAAAAAAAApYsHO/XX2kzyu3z6M/p+eWgEAAAAAAAAAAAAAAAAAAAAyvd5VAyNzO5edCaqvbfr8e1KEa/098auXvryyfbx8Nn9fwAAAP//qn80BQ==",
+      "compressed": true,
+      "payload_sha256": "29e424acbf77bc348ed413d29584b50f1cbba33f42403a55ce6a84d55f33edac",
+      "payload_length": 32769
+    },
+    {
+      "name": "aes256gcm_last_chunk_empty",
+      "comment": "full chunk followed by empty terminating chunk",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "846af20b2f784e91b4136bb28de5b072f30f93e2d2bf9a135eaf60ca642b80ba",
+      "base_nonce": "05c60cf16effe1e445f253ae",
+      "context": "",
+      "ciphertext": "eNrswCFKxQAAAFB1YVWGiGCyGEyKYNAxRGxiHYMZxGCQWcSiCILJ5AEEByuC2Z1hZQsmiyDIugyj++Ef45f3su2uDJ6Oh5PTPt//2ArGr8W6j9s0OjsYfsL6fae6O/9efjtqx+f5auMijO+zl644/JsDAAAAAAAAAAAAAAAAAAAAZu46uYxuV8q119X/yV78mOx+Lmw2RXrTFOu/Vw/50jQAAP//5agojw==",
+      "compressed": true,
+      "payload_sha256": "f067f04b8007380ce33bb0bc96388b20e5f916a79bfee2120f4d84f87088ef32",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes256gcm_257_chunks",
+      "comment": "256 full chunks plus short chunk, tests counter rollover past 0xFF",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "1826a248c5a781ad41a30f4f071ec07a425e9b7ed2eb585eb2881ea97fd15931",
+      "base_nonce": "d57d44ec94e237c4f255c77c",
+      "context": "",
+      "ciphertext": 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+      "compressed": true,
+      "payload_sha256": "0d87b1a3284db8f05b00ea545c6bac4f4a92a2608338f38957ce944cbdec25c6",
+      "payload_length": 4194305
+    },
+    {
+      "name": "aes256gcm_context",
+      "comment": "short message with non-empty context string",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "e737c97791f2f2f0ef0509ca69ce3b7e3c6ebe31753529036b73e3008648d693",
+      "base_nonce": "126c05620c70118d873a6df9",
+      "context": "test context",
+      "ciphertext": "GA1TJvATqklZ7lqcqKqSzF4ouqucGUWeVnzA+ndS+VYdZX9POhuwJj3eU0eVBmjl/nUgrx98MtzL5n834d2cHmC/HecYez+b+nQhLMDGig==",
+      "payload_sha256": "59fdd34a0b323f6044e147b843d8ca246a9414d2c7a06c8e95a7e04c3cdaf395",
+      "payload_length": 7
+    },
+    {
+      "name": "aes256gcm_context_with_null",
+      "comment": "short message with context containing a null byte",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "afcb19473c602dbb6c725832e16cdbce23f4bc203f8f872a3dd5bb11eca52bff",
+      "base_nonce": "0512bdfed1515fd0b3db6a07",
+      "context": "test\u0000context",
+      "ciphertext": "PRokUv90yZjdQGUbt9huocj2xki72padNUsZmQJSA0VyZgOsxvt4huUCW+WVwKAvlmQQ3CjrScIUo8Nych7oR3QwgqKX/sWQfFbIqMLhxQ==",
+      "payload_sha256": "59fdd34a0b323f6044e147b843d8ca246a9414d2c7a06c8e95a7e04c3cdaf395",
+      "payload_length": 7
+    },
+    {
+      "name": "aes256gcm_bad_tag",
+      "comment": "single chunk with flipped ciphertext bit",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "26964c7452dd712cfa087c64b8ec85ef45e4eb1d4e50b303ee9d07a898416fa7",
+      "base_nonce": "2d0029bf377372357f1bc35b",
+      "context": "",
+      "ciphertext": "TIX64gfRT6+gCgIUzAyPv7zQPNoyWA76r4iXPoeaRfJk6jCNwtQ+ZG7XcY3v3MAj/+RybNksaV0Ag3q6z0CBKZFurS8sv2iiyg=="
+    },
+    {
+      "name": "aes256gcm_bad_tag_second_chunk",
+      "comment": "full chunk followed by corrupted short chunk",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "826556cde7b1b2d6ee6bc66b55be084ecf7bbc0135f40e858dc34d99c1feffe2",
+      "base_nonce": "5dea0b186ad827a38afd6bf7",
+      "context": "",
+      "ciphertext": "eNrswCtLxAAAAOBZrIpgdAMfySYmkwsaBMEigjCTYUGD1bRiUExiUGyC2eKC+EBBYajRO7jVu7a2dBzc42dc+b7eMC5a2dZx+PG2P/H/m67+nM5FyX1//nKQvm5eT5f1Rpw8VF+dg6Xo5fDvZLLMP2fvipUAAAAAAAAAAAAAAAAAAAAAGLvw6egxe8+r58Xb5tlMdypY395baNTna1ffy+3dm52LUQAAAP//bJwt0Q==",
+      "compressed": true,
+      "payload_sha256": "035af54121de0dba1f6a09aadcf97f611d83124a398505968fb9531041598a0b",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes256gcm_bad_tag_second_chunk_full",
+      "comment": "two full chunks with empty terminator, second chunk corrupted",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "94bd6a9015cb08e7797c99b7f10f99f9e58ce8cc72ca2552d6a859ede2bcb80c",
+      "base_nonce": "a18ed0bb3bc8247b1c4353ea",
+      "context": "",
+      "ciphertext": "eNrs0L8rBQEAAGAp5ZUfSYbHcGV4RYpsTGxGKSODZHh+xJsMjKYXpQyK8cox0JkUIcNZLlHmK4NF3XTM3p9xy/f9Cd/Mx2tRP61Uw9rwW95YDfLvr2zh4mwgGRrZq3cvvdye706cHK21Px92/cXj+3dT79Mrl+n2fxsAAAAAAAAAAAAAAAAAAABQumBruVp73OhtJleN2fvrByMAAAAAAAAAAAAAAAAAAABQvmhn82ZwPutYb4bRYl/6M9oZ/B4Unz1P/XFlcux4rhUAAP//72Exxg==",
+      "compressed": true,
+      "payload_sha256": "4df25f0a1b8d53719abc426422837b6f565fbcd696fd2f4e273c7e662929dcf5",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes256gcm_bad_tag_empty_final_chunk",
+      "comment": "full chunk followed by empty terminating chunk with corrupted tag",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "bed04b2cebceee8d4d6bffb71cd44d345f8d0cb76c33e442da921750223a24d6",
+      "base_nonce": "b63019adf7d92e08669a1a3d",
+      "context": "",
+      "ciphertext": "eNrswK1KxAAAAOAVMZhkVtEyi1jMFhcsahHF4kAmGMQkLCrYxCIYxKCwoAZZGmZNuuwDCMYbx8GFg/uBG/cYV74vLud7zdzV00uTvPWL8Wb8uteqo+Pd9fDvsb1y2k0eLj7z9CMcVjcHxff17P/W8329tngXAAAAAAAAAAAAAAAAAAAAAFOX/+6XS8tn2eHovVo43zlJo8uZo+zna9AJbje2V4NJAAAA///fjyw/",
+      "compressed": true,
+      "payload_sha256": "bdb6cdc8979b418663b9a2b6ff5a1d1905d6a90ba7097761a7802d7e98e2ffb7",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes256gcm_bad_tag_first_chunk",
+      "comment": "corrupted first chunk followed by valid short chunk",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "e69876448132e0f8cdf8acece50037dc0745975b7ddd8281e8608fc5c478dab8",
+      "base_nonce": "3a483cc226d5e5df74a8bdaa",
+      "context": "",
+      "ciphertext": "eNrswKFKAwEAANCLokE0CMopGCz6AYcYlAuKoF5RLHLVbjDYbJo8EUQuGL1iUYPJdCAG69jlwdjCwhhcWdj2GSvv3W1eNGdehjfl09FafrJbzf/831bxX9Lvfu/k17Odh2jusB5F8UbYLlYH5+n79v7XXuvjOAAAAAAAAAAAAAAAAAAAAACm7vP18qB+zBbSxspWdv82Dsrn9GqxSLLw9Hdpubd+NgkAAP//8uYqxg==",
+      "compressed": true
+    },
+    {
+      "name": "aes256gcm_missing_tag",
+      "comment": "single chunk truncated to remove authentication tag",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "62430951c6812a7c90a56bd264c18ab9a95b4345c3b4d73170e05af51fd0b6bf",
+      "base_nonce": "cbb102cac379a19ab8a37574",
+      "context": "",
+      "ciphertext": "jO72KAtilFAcTVGZsOpEFrPWxd7OqTUH2W/evs1s6ypurdgviiv6zZnqw3ULUHCtL0grSkWaFBYA"
+    },
+    {
+      "name": "aes256gcm_short_chunk",
+      "comment": "payload shorter than one authentication tag",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "26659dc41fc55964f091b6e829dec44f2e5a70d95b1cda64a9c2ceb57475a124",
+      "base_nonce": "b5e9bcc8d88dfebc973d233c",
+      "context": "",
+      "ciphertext": "GAbSLIu/OyWYwErmtHcQD0BKjfzapm4FNIx5XIYCKzFz1ZKR47hSSMbsQrH5aH5oWzU8SPrvOeQN11jO/ELvT8w7HHQ="
+    },
+    {
+      "name": "aes256gcm_trailing_garbage_long",
+      "comment": "valid chunk followed by 20 trailing bytes",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "5dd8c5c4b4a69f866c4f5c6dfdc262d0c2e65d86c2b2a983403cda68bd8380e6",
+      "base_nonce": "f85d0234273b77ce9b154e53",
+      "context": "",
+      "ciphertext": "eNrswCtLxAAAAGBFi2VB0V8gFg3LNmFWEbQrsrSyoEYfRZhF04JJ03wxLGYFg8IQ30EQi8Lg4trBwt3PuPJ9D+vnozOvm0d7+dvL/NJ/+PS+MbV/GwUn5fLP1250Wt/FzUT6uRCunX1ns+Viuzp9X1+OJ0MAAAAAAAAAAAAAAAAAAADAwP1VwWHRXvUm45GsWBlr0pvr452t3+dutT130Mkvko/hx34AAAD//2YwMUw=",
+      "compressed": true,
+      "payload_sha256": "0270a965c0c35a70e8c5320f2185b940c0011f2685711bd8eab0e468a5315361",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes256gcm_trailing_garbage_short",
+      "comment": "valid chunk followed by 12 trailing bytes",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "a23ec5edbf6cd719631e7d106ac0de83b77cb2769313688033928702a93a64b8",
+      "base_nonce": "823792fc5825a77871924c2d",
+      "context": "",
+      "ciphertext": "eNrswK1KAwEAAODT4w68csmgGAQRgyD4BuoJChosFsFkEYPJ36Lt+iVBg2V9ZWzsAVaWVhY3WBhcGlu7tO0xVr7vc5GP4trG2nP7Jz3eeqv/Fi/vUZbf/Jfx4frDJGkF5wff+yfz8e3pZnVRzK6v9i772TQNAAAAAAAAAAAAAAAAAAAAgJVrdo6SRhQ+9nbDbhy93pV/Tzvb9x9fg2F1tgwAAP//5UEjYA==",
+      "compressed": true,
+      "payload_sha256": "66c1331db069e58cac31358da02a3bba3fd4a19604054d0193d9794b87bdfaac",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes256gcm_no_chunks",
+      "comment": "header only, no encrypted chunks",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "b546dffc4dd012e760f98f305ca033ba5780a44237c2e8822173cb0098e91cb5",
+      "base_nonce": "40881952f3209bc7bebe4915",
+      "context": "",
+      "ciphertext": "ZWYh3wMyKzNduAJ9/u7azJ+rhs8Zirn5yH0aSnzBmsvMTlr+o2F2IytkcvfvEoFPa0e+RPQUNYU="
+    },
+    {
+      "name": "aes256gcm_wrong_commitment",
+      "comment": "valid ciphertext with wrong commitment",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "context": "",
+      "ciphertext": "kTRJAxMTTGMDYykK5xSJmL9rrXuRVrfodPqIjq3eMzHB4nlsTR5i83MMtfuQ1iUOgExUgk8UhzwAYBXaRn0yH4gvPNbSIQjS9w=="
+    },
+    {
+      "name": "aes256gcm_wrong_key",
+      "comment": "valid ciphertext decrypted with wrong key",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "4f52414e4745205355424d4152494e45204f52414e4745205355424d4152494e",
+      "context": "",
+      "ciphertext": "xPgV6Mr+H2LhoXKr3ZGmd/THlx6KWaf06vW+ZCc9KKv1ii+j+1Lj492WOodYkHTosXGLYfkoG58ApumQwEPg5/rOMlIU2gqyCw=="
+    },
+    {
+      "name": "aes256gcm_short_key",
+      "comment": "valid ciphertext encrypted with too-short key",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "4f52414e4745205355424d4152494e45204f52414e4745205355424d415249",
+      "context": "",
+      "ciphertext": "nr7kWY3emyAukT291rU2p3q+iZFY+tGtI6CuIMCX4zBuShcKNf8C5YM9dh1kPrhq9rJ+f3TA6XwAXpQpzNgx9QdFRsbWBzffEQ=="
+    },
+    {
+      "name": "aes256gcm_long_key",
+      "comment": "valid ciphertext encrypted with too-long key",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "4f52414e4745205355424d4152494e45204f52414e4745205355424d4152494e45",
+      "context": "",
+      "ciphertext": "D4hBHLAJlMkMKu2wkuIjQ9OM+9xCRYf4m1JI9aC2JkjuYoMY8JAE6tk9QYBZwoDcHgvJkwAFzHEAlrP5DeJRihLpcBjksi2S8Q=="
+    },
+    {
+      "name": "aes256gcm_wrong_context",
+      "comment": "valid ciphertext decrypted with wrong context",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "context": "wrong context",
+      "ciphertext": "nbvkZ2ehnJXerUMmqVk/efRVLDKurXFAynnnv7w2gzMxsfGLW4Wq5Ikt6snwGlQXlQfEx+XJR6UAeCTQDaArZ9LSvOTUZiVWRg=="
+    },
+    {
+      "name": "aes256gcm_wrong_salt",
+      "comment": "valid ciphertext with corrupted salt",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "context": "",
+      "ciphertext": "xhwm6MgnKH/b4FINGeCM2ez7fkIE3QC9FBfzjgFjnpIAcZv1UDWmmeoKHynt++PUz9EQCAErFfEA/zR/Bx88aJbp0nR0Spm7Rg=="
+    },
+    {
+      "name": "aes256gcm_empty_message",
+      "comment": "zero-length ciphertext, too short for header",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "context": "",
+      "ciphertext": null
+    },
+    {
+      "name": "aes256gcm_short_header_no_commitment",
+      "comment": "only salt, no commitment",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "context": "",
+      "ciphertext": "gv8oWXmkqxVDVHzTt+Kv1kgZcgbKZt77"
+    },
+    {
+      "name": "aes256gcm_short_header_partial_commitment",
+      "comment": "salt and partial commitment (40 of 56 header bytes)",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "context": "",
+      "ciphertext": "Wjyy40iVmOxO81hJ2Em7O6taPJYKm/BwYMLuXKbDHJ9EXn0xP2rpCA=="
+    },
+    {
+      "name": "aes256gcm_short_header_no_salt",
+      "comment": "too short to contain even the salt",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "context": "",
+      "ciphertext": "n+ZRtH24yAG72g=="
+    },
+    {
+      "name": "aes256gcm_truncated_at_chunk_boundary",
+      "comment": "full chunk without terminating empty chunk",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "03e56665069566eff4192a155cf077552e419e1eb587cba4f73b5de60d08ee58",
+      "base_nonce": "76cda30fbda03afd6ddf7e16",
+      "context": "",
+      "ciphertext": "eNrswKFOAgEAAFCDJssVk276C4YrzubcWQyW232CVavppLORGI3AGBuBI3NsMLYj0ShQjgs0Nhj8AJ9Bea81r/29HcPl428ZvETDw9fN7P3jOXodD6oqSzqLIk9vH4rpddn/z0679ij4/I6367x5BQAAAAAAAAAAAAAAAAAAAFxcvOqm+7vGpFf/Ce+Tp805AAD//80zJhI=",
+      "compressed": true,
+      "payload_sha256": "908c218876cf72ca132226f2a2c965d8aebc67d02863922cbd19c8d6812606b7",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes256gcm_truncated_mid_chunk",
+      "comment": "full chunk followed by second chunk truncated mid-body",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "4509629ad199464abaf5f06fa8af5e54a058b84e1517044cac5e8771ba7f4d68",
+      "base_nonce": "30d40b41852ab93a0f921acd",
+      "context": "",
+      "ciphertext": "eNrs0C1qQgEAAOCFwRgbb2WDbXlpZYPtAEu7wGNtBsVgE5MgJkEML2q0iIhBUZBXLGqwqtFg9AfxAlaPIcj3HeHbL9tBeRuNi62HQhjOh6WX3tv7z+vfZ7X53B191T9mme9O4zG/ucnm7hf9SSodJ6PjLr4CAAAAAAAAAAAAAAAAAAAAzm41Hax/727D4PD0X7lO1IwAAAAAAAAAwOU5BQAA//+GvSI+",
+      "compressed": true,
+      "payload_sha256": "315e602bd3f6c2c23f759f439e5245b90237eee9c01028bb67f785a81f9d1819",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes256gcm_swapped_chunks",
+      "comment": "two full chunks plus short final chunk, chunks 0 and 1 swapped",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "6dc5390d0196633c7599abfdb6fc20de9c03a6e1fa511832991f15921bd04612",
+      "base_nonce": "9a5ab8b205c5758de3d09067",
+      "context": "",
+      "ciphertext": "eNrs0DFHBQEAAOATFSVpeENKSS1vaHmKSEvDtSdeJIqWJLc11ZsaItJ0S7QkIkVLe47jRBxxNDXkhnIUDYnoZ9zyfT/hC6LOydhr9P7z8nsws/qWhNvF5sPGeqeYvW70nY0/9rb+yvbgaHa1le4OZN9Lcf/iZHPn6z4AAAAAAAAAAAAAAAAAAAAAane0X03sTYdDF9H81PBnnhkBAAAAAAAAAAAAAAAAAACA+l22D7tHWsnyx13+dPN83AiK83Bhbe60WZW3K109afwfAAD//w+qMmU=",
+      "compressed": true
+    },
+    {
+      "name": "aes256gcm_duplicated_chunk",
+      "comment": "chunk 0 duplicated in place of chunk 1, followed by short final chunk",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "73991192206aee59d3bbe493efd301575bd0996149477a99ee759fd03f47cc6b",
+      "base_nonce": "89be846d565fd40d313eed43",
+      "context": "",
+      "ciphertext": "eNrs3K9KxAAAgHGLf4LiAwjCXsCyB7ApCANBmFEQhIGo1SXRJCaxCcpgIqIWEWFtyWByXUGmYLtwx4VbOI57gHuAld/vEb4H+PZWD9aT06eVsCzmnwfZV5E1Zy8Li+nFsPpfrjb7b2lcl4/hd/Aan1zns+939VESTZ+vTQEAAAAAAAAAAAAAAAAAAACty7e7G8ef98FHZ+cvOlzqKQIAAAAAAAAAAAAAAAAAAADtm/gBpA+jm+Cy+fm9vdrd35qbGQcAAP//WpM33Q==",
+      "compressed": true,
+      "payload_sha256": "234d5876fd9db9d9f5a2ec544f9eb49c9e47b56077c31313fb31f315cf7233b9",
+      "payload_length": 16384
+    },
+    {
+      "name": "aes256gcm_extension_after_final",
+      "comment": "valid full chunk and short final chunk followed by extra encrypted chunk",
+      "aead": "AEAD_AES_256_GCM",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "6267c7c6ff19011398d30ca27a2663bf25c4e66c6dac9ac76fe4b9619e7c65e6",
+      "base_nonce": "52b4efd70543237d6344ea1b",
+      "context": "",
+      "ciphertext": "eNrswKtrAnEAwPFfGKxsbGHskRc2tqWlsTGDqFzRbDiQU1BQgyBouaLRqpxRg3aTaFCQUxAFbaJiuHbnowhqUBH/DMv3o6uFh6rj/WYaMK5F50eeT34TJSXvrSw8t5br8/H5aSClQ3WboseCf2Lnl+6WWbfdGRYAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAODiZh9f7YM6arxsU32fdtwIzTK661W52BzHX79b0TdR25/M5L1uXuV6EXn4nzkHAAD//y0DNe0=",
+      "compressed": true,
+      "payload_sha256": "5221295bb6c8c43d61d879537a5be6ee73ca8dccf639968ef5dfcdc08dcd7cbd",
+      "payload_length": 16384
+    },
+    {
+      "name": "chacha20poly1305_empty_payload",
+      "comment": "empty message",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "29b1fe3a98010dab3e4dde5da5a45c67d8e28399dbc1a9b4507d09f17074e585",
+      "base_nonce": "1176144246c5a239da7417be",
+      "context": "",
+      "ciphertext": "s0ViaDZWDjAPnCjzNDUMGD+i8+jsjI2xtNT4pP6XOjVoKLroLwc4fcOGhEOYUWmpcEfKKdUe9IVwNZieFui/BmAqSkc2x2fJ",
+      "payload_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+      "payload_length": 0
+    },
+    {
+      "name": "chacha20poly1305_short_payload",
+      "comment": "short message, single chunk",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "d6988033fb747a3bf6cdc064c4a6ab6d10fa7622065be4f755acced119e48a04",
+      "base_nonce": "843e9baf83ce4564a7164308",
+      "context": "",
+      "ciphertext": "xCZeqXGgx1RkBO9AaRDhHGV2Sy3wN/anY/CtyzDhjHQzceincw8cR8Kif17NLvkCsFy55TBW091tSc5Pv90ZQwpT8YCWYTtfuu0+wmhZ5w==",
+      "payload_sha256": "59fdd34a0b323f6044e147b843d8ca246a9414d2c7a06c8e95a7e04c3cdaf395",
+      "payload_length": 7
+    },
+    {
+      "name": "chacha20poly1305_two_chunks",
+      "comment": "full chunk followed by short chunk",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "fd6b6636fa5794e6dc622ab141e86e615e0e0a27ce79b8217b0e5d22546ec974",
+      "base_nonce": "6f9f266fd6bdc29e57cada34",
+      "context": "",
+      "ciphertext": "eNrswKFKAwEAANADEeHAZDsVq2DQIhzY1HCi/sGB2WLSJH6BiiBiMQgGDSaTaDAJJk/lDmRhYTC4MMbCFjbYsX3GyntHX2+rx/2t742d1zRbbu6flb3zIn+uZg7/WnEURle10d30y0eyt7R+mjz9dE6m4rXbx/t6AAAAAAAAAAAAAAAAAAAAAEzc5m774WLuJiv/D95/qzANVhYX5hvd6+3PvBjMXg7TcQAAAP//OWYu8A==",
+      "compressed": true,
+      "payload_sha256": "06ff79ed53d2ced268c0071d977cf524c27fd7de4d9d116f533bd5c36bf04d54",
+      "payload_length": 16385
+    },
+    {
+      "name": "chacha20poly1305_two_chunks_full",
+      "comment": "two full chunks followed by empty terminating chunk",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "24b15e8a033d7bfa0238844b0c5b29e211110533df3ed8b863b48935bfd12158",
+      "base_nonce": "bf29082e06931ad424e3b492",
+      "context": "",
+      "ciphertext": "eNrs0D0rBgEAAGBFBmV5FzHoveH1DgyXQVkUpcSgWE03MPkLLAaLUpiUj5QOxaIkZtncdl35uMXXlZXi0vszbnmen/Akz/XaZPy2+bt/fRUc3ASNxaewK579//yJ5npm5odq0xtn+d3O9/LE6/rY7UD7431/dNIcKdsAAAAAAAAAAAAAAAAAAACAyqXpcRIWDx0vu3l5ftEdGQEAAAAAAAAAAAAAAAAAAIDq7X2tHL5/FAvZeONvdS04muod7bscHqxvbTc7T7OlrBUAAP//9z82Dw==",
+      "compressed": true,
+      "payload_sha256": "6dca3d27bedf69a00722ed7e5bc110f45c2e764d516343774fa7042badc8137f",
+      "payload_length": 32768
+    },
+    {
+      "name": "chacha20poly1305_three_chunks",
+      "comment": "two full chunks followed by short chunk",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "14e12b402def474e051fa0775b6cbdf221489e157716396c5c2b9335153b58f8",
+      "base_nonce": "c7e0551333f78cbb879676dd",
+      "context": "",
+      "ciphertext": "eNrs0D8rRAEAAPAr3HbTUSbsupLZqDOhpMsm5QPIwk1vUyYh5PxJyXhRBv/ipTe+Xj3Jogwmz6qewVt8jLf8fh/hlzW36hO3k63OSM/i0EXU3hw+O29+PR+Mzr53x5PlbKNvu2jcdF8eB3eDpH/n529gqho0xg4rAAAAAAAAAAAAAAAAAAAAQOmCKF5aed3vrT2cfh91Zu6MAAAAAAAAAAAAAAAAAAAAQPnW2vXL43T6emHuqvhspauV2snv0/r8Xv7xVo3D/D78DwAA//8YiDby",
+      "compressed": true,
+      "payload_sha256": "7e8fcca4f20784d9af819133eab97c5f1d012bfa5fd2db5f90cff5ecb8469cd3",
+      "payload_length": 32769
+    },
+    {
+      "name": "chacha20poly1305_last_chunk_empty",
+      "comment": "full chunk followed by empty terminating chunk",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "f69ee0b9d296ee3f93cd86ee50c5c3b78b4a03ef1c9c527d5195ce5242d59a72",
+      "base_nonce": "6a99473aeeb47d641d626b09",
+      "context": "",
+      "ciphertext": "eNrswK1KAwEAAGARTQYRVA4EQdBqthjUcMUkHHj+YDFdEJNyeMloF59DVGwaPBQUw5b2c1tY22Btg8Ex2GOsfN/g5PHvK9+6Pz9aaneqvYPgOokOy+7KfON7tXbZ/3kLt3eeT18WXvfLJN04vn0Yx2e7e1fFDAAAAAAAAAAAAAAAAAAAADB1ixcfzafZ4VoWLsfR5vt/pZ7dpTe/RToK1uc+W/kkAAD//wOmLKU=",
+      "compressed": true,
+      "payload_sha256": "33e57adffefaf62425d03313b09de2d197fc18c1a1386bea348a3dd5ac36f5fc",
+      "payload_length": 16384
+    },
+    {
+      "name": "chacha20poly1305_257_chunks",
+      "comment": "256 full chunks plus short chunk, tests counter rollover past 0xFF",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "91a5bc77d2ae127c276a9d1b5d13e5baafacb73c107305500a18dba54b070bdb",
+      "base_nonce": "3759e10053f5a8662318ebe1",
+      "context": "",
+      "ciphertext": 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+      "compressed": true,
+      "payload_sha256": "f8ab201c19ebbd257e65b1dfa5b37cc33c269a619a169675cbd0db30a2536d54",
+      "payload_length": 4194305
+    },
+    {
+      "name": "chacha20poly1305_context",
+      "comment": "short message with non-empty context string",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "339a2e9e3a4bccaa605ae48590d5e62fd58d4157c7d16e5b67fadc7d9749902e",
+      "base_nonce": "92abd1408cc60e19bbeb8fae",
+      "context": "test context",
+      "ciphertext": "dHOI2ZCl4wR7W8ppUKnlzjyLQbS3lB4PO48s5AhvETZrv+n6ezwznzdfs0OlwN0X+UB/qZtOUmTT85S49gSYF0vlmCh0aPWGScZq7PuA5g==",
+      "payload_sha256": "59fdd34a0b323f6044e147b843d8ca246a9414d2c7a06c8e95a7e04c3cdaf395",
+      "payload_length": 7
+    },
+    {
+      "name": "chacha20poly1305_context_with_null",
+      "comment": "short message with context containing a null byte",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "success",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "5d86e9044e517229d76b8e51f32a4d3e2098d4a3f3d04ea05f71cc04eaf35c8f",
+      "base_nonce": "56b55f87aeb3297147d45084",
+      "context": "test\u0000context",
+      "ciphertext": "yHPDjQIiXUn9y6Hd+cgwfaiAdXEATuXF/Rg0lPGNTSPbqoKzyjWMhV+75NmaKU+CZM9LwyvtRN+sVW0F8YNldi8Gd7vKVLoOMuRsd/AdLA==",
+      "payload_sha256": "59fdd34a0b323f6044e147b843d8ca246a9414d2c7a06c8e95a7e04c3cdaf395",
+      "payload_length": 7
+    },
+    {
+      "name": "chacha20poly1305_bad_tag",
+      "comment": "single chunk with flipped ciphertext bit",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "1774c705288021fb06b9b95dcacd737ee857099140aa2bc5a215e652c2e166df",
+      "base_nonce": "9cfdef8aef05c2f748d7c54c",
+      "context": "",
+      "ciphertext": "HqWW7HlSNrQrbcZ1pqZosSNksUkSiOlXBmtnFNnw4tWTkY319a0E5WG0tzQdme0Wu8x9GPtGD1gAXA4yFkGJNp5ey4yCPWkbpg=="
+    },
+    {
+      "name": "chacha20poly1305_bad_tag_second_chunk",
+      "comment": "full chunk followed by corrupted short chunk",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "a8b1654e3bccbd8a3ab96a90febbbf26677c7f3c49352d821715e394fcd8ce40",
+      "base_nonce": "0cc608576385a77a442595c0",
+      "context": "",
+      "ciphertext": "eNrswKFKxAAAANBp0GCyTYwaLcatiVaFGcSFoXXFYDGKZXU4HNjEJorNJDbBKCgYTCJ3HJe2dhwc4+4zrrz3+P18dfFxc3/Z7E9/k2qcB6dZtptuv7Y7vfM4XDt4Oqm/wuj69idOlw9ftpLB5nBj4b0MAAAAAAAAAAAAAAAAAAAAgLkroqX6rMqbolzsVtrVh6B7u/vcO+6vT9K/0VGc/c8CAAD//7ruLEY=",
+      "compressed": true,
+      "payload_sha256": "2f98aca443b9af8c1c6211d04d83a9a3b2d3106a2e23f5444d707d99288240d0",
+      "payload_length": 16384
+    },
+    {
+      "name": "chacha20poly1305_bad_tag_second_chunk_full",
+      "comment": "two full chunks with empty terminator, second chunk corrupted",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "309cc51722e75b34bb0ddf2eb0f11071a6232708be4aeed8e153b1a0d23d863f",
+      "base_nonce": "40287e741934d201b64d0367",
+      "context": "",
+      "ciphertext": "eNrs0DErRHEAAHCvK4uSlMXCRPnX1XWUgbpPIFEo3WXUUcpGKaNVGW/BoIc6dd4ib3pJxpfN+Mr8KBaTj/GW3+8j/F7j8LIznJ/XPyYHZ8lNpx0nC/O9OOqf7I2HWjesTWw83f2VjZ+Dx4fuaON0/6v1XOtcXgwBAAAAAAAAAAAAAAAAAAAAlbu/nvteXT7avWr+fi62e6kRAAAAAAAAAAAAAAAAAAAAqN7Y9GHRKo6zla2lrH+7Xc68R/WpQTS7madvzfWR8B8AAP//QbEwXA==",
+      "compressed": true,
+      "payload_sha256": "b1431f20745da571201b57ccfa5d4cf8a369cfc9bbe039df0d15ad7ca59e027c",
+      "payload_length": 16384
+    },
+    {
+      "name": "chacha20poly1305_bad_tag_empty_final_chunk",
+      "comment": "full chunk followed by empty terminating chunk with corrupted tag",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "4907606b0acd797fce981a2ae9b78a8fbc6d72f1ffd7e9ecfb8184b4734f9322",
+      "base_nonce": "fe7946f46705ff96435c4e03",
+      "context": "",
+      "ciphertext": "eNrswK1KAwEAAOCzePjDNatcFMSLgiiKQS4pGFQEDRcEwSQKlxQUtAti0cN0IMgFkxbbxlgYC4sLa3uChaVtj7Hyfdnd/H2ytBxGte7i1f5Gc1A8rv1eZuV4trG+cxh+Rye3P8lc9VHP/4ef2/3jg+viNN/7eg8AAAAAAAAAAAAAAAAAAACAqeu8pS/xqBWcve7ePKXlUe/572HzfKV9ka/OxNXC1iQAAP//uScmkg==",
+      "compressed": true,
+      "payload_sha256": "8efa4bff3196a8b5d41837e3ddd61b685f8f5d9a986b4842b198d06948fb5377",
+      "payload_length": 16384
+    },
+    {
+      "name": "chacha20poly1305_bad_tag_first_chunk",
+      "comment": "corrupted first chunk followed by valid short chunk",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "4ed6b4c32026b00e8c38ca2f3ec3d071d245907087848f75a82f27a01a1dc4f6",
+      "base_nonce": "89f335d5478f0b605a6b0647",
+      "context": "",
+      "ciphertext": "eNrswK1KAwEAAOCLB6KCoGe1mEWf4IqYFA7zJYvF4CEGRbAommynoOJPNl0QhDMpyAkG2/YCY1fGYGFsbOwxVr5ve5iX9+H/bHGb10nUTB7O5093qp+VmWL5dX9zNM47vcbH0cvN9/Vgd6l/8v601n1Mt7LFAAAAAAAAAAAAAAAAAAAAAJi6+G3ub2EjWi3Ti6+rMPsNPqusdbh+EN8dt88u9+rnSQAAAP//KiguEA==",
+      "compressed": true
+    },
+    {
+      "name": "chacha20poly1305_missing_tag",
+      "comment": "single chunk truncated to remove authentication tag",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "3560387cb105df5e3ae107ed647fca6df215f54987db09340a915b6fe7ded933",
+      "base_nonce": "8fb93dc990cd019c18edcbc6",
+      "context": "",
+      "ciphertext": "L3XebRHkp7FK82VZu6MeDNJq27DVwKOOopQD62zzziFg+Lnn7ponYOSBclMwvTA/Lf0SHA37sc0A"
+    },
+    {
+      "name": "chacha20poly1305_short_chunk",
+      "comment": "payload shorter than one authentication tag",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "6ba9bd5c4546cd87644422ba91b965baf98e901c3cfd58358a1010b099eaa883",
+      "base_nonce": "46076bf77ce022243b92ebbc",
+      "context": "",
+      "ciphertext": "rzfE4842jgNqtdKDNHYerjO+GXt2314UsjF30Kah3l+8KhYhttMW4ZTH59P0owlVKPl4UC4UqxhyHmnQB7R91b2wxXQ="
+    },
+    {
+      "name": "chacha20poly1305_trailing_garbage_long",
+      "comment": "valid chunk followed by 20 trailing bytes",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "13131047ceddefb788330dbee5c51aa77833cf7f80699264c06a6fcf536fb8ce",
+      "base_nonce": "2e71f289c47f4791a5686e25",
+      "context": "",
+      "ciphertext": "eNrswD8rRAEAAHBlYOEDGOkp6SmLDEZ6hvcB3uIDoKyKMFuUP1mlLE9KPHmDhQgDi15G6v4M19Ut77aru/sYt/x+5f3Ee+UrTXa2GrXJ642XuPcQzYxli7eHy+f1teGn4OT3aC4PZ7PT8O856LRHx/+Lm+7n6hAAAAAAAAAAAAAAAAAAAAAwcK18++rj7jgp4+b368jK+uPe9NnmwkFxmc5Xp5be9n92o4t+AAAA//8ivzH9",
+      "compressed": true,
+      "payload_sha256": "fd901e05f2ee1eb477157c27797452d3b159c5d5d192a36fa93a2cd1cd913ac1",
+      "payload_length": 16384
+    },
+    {
+      "name": "chacha20poly1305_trailing_garbage_short",
+      "comment": "valid chunk followed by 12 trailing bytes",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "fc0433296d820863e766afd19d9a2055ec1e642f356a97ff23fd877854a4f9f0",
+      "base_nonce": "5d27289305ee6896ea6dc69d",
+      "context": "",
+      "ciphertext": "eNrswKFKAwEAAFCLIOiJcF42KWLTyyJoOjEJBrGZxKZBi0HhBE2mw6RF4Zpc8gvWNvYBOwaDcbuDpcWl7TNW3jt+uJu1epfX52/pwfLZ823V/guzzfzqIu43ZbOdBievh78/+8PReva4VX93j4qXjZ1q72MJAAAAAAAAAAAAAAAAAAAAWLjg5ilJonISdr7WPvP/8f3pSjHdjevV90E0DwAA//9nYyhI",
+      "compressed": true,
+      "payload_sha256": "8128deb05ff2fe1d1f9148d929301069042e3886a322fd93685260c953d8e2f4",
+      "payload_length": 16384
+    },
+    {
+      "name": "chacha20poly1305_no_chunks",
+      "comment": "header only, no encrypted chunks",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "ef03687a671803cd8a8bbc3858c56388638b3eda65afc2280aae76e3c9d38b74",
+      "base_nonce": "3a9dca1e83c23105270304cc",
+      "context": "",
+      "ciphertext": "OBJ72TsxittlKSX3Qx7nMlX5nnw6XAH865PdoLtWTOrRPffRE3cPqMto5NdLeUYumzwUZlzupRw="
+    },
+    {
+      "name": "chacha20poly1305_wrong_commitment",
+      "comment": "valid ciphertext with wrong commitment",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "context": "",
+      "ciphertext": "xNOyEe5SrfSl6mJJsK307SzUyn+QU57gdNJGg+kQxKjvdoAkVj7pySqT/JUsfS4ctRQDYUhT1nsA0Ce0hoVK0zsU7P1FJK+h0Q=="
+    },
+    {
+      "name": "chacha20poly1305_wrong_key",
+      "comment": "valid ciphertext decrypted with wrong key",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "4f52414e4745205355424d4152494e45204f52414e4745205355424d4152494e",
+      "context": "",
+      "ciphertext": "SuUHhdXxxOZVGTkySwvh9h9ANGsMwYaAGtbsUCpxcU7tPdCuLj0nVcHV4BrKu8KUxIONS71Pq/cAFQI1QzzFFMZPl2jxk2BZJQ=="
+    },
+    {
+      "name": "chacha20poly1305_short_key",
+      "comment": "valid ciphertext encrypted with too-short key",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "4f52414e4745205355424d4152494e45204f52414e4745205355424d415249",
+      "context": "",
+      "ciphertext": "s49ehEykQjLAS6e8BSLuU3oPH7Pb+PNyqiyxmgGViDV114eTWsoM6r/JWeshElU4iZLwqwFPukkAS4KodAi7O7qkfsqPRCLcyQ=="
+    },
+    {
+      "name": "chacha20poly1305_long_key",
+      "comment": "valid ciphertext encrypted with too-long key",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "4f52414e4745205355424d4152494e45204f52414e4745205355424d4152494e45",
+      "context": "",
+      "ciphertext": "F7Ju0+c5gE78M6aZ+jkPflnIXhMmL74wZmtbpze5EsdqVKluDmw33d8tClfwOpLebqic7m0U3Y8A5DB9ZRzJIoNLa9sSgWYYxQ=="
+    },
+    {
+      "name": "chacha20poly1305_wrong_context",
+      "comment": "valid ciphertext decrypted with wrong context",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "context": "wrong context",
+      "ciphertext": "B3+XDz/xCjn3VSLCodox5zpRzeVnuNBm3t06/TonvylwwIgQzHP+DX1RknPMR7rJ9FKZms9jXoQAPH8+3HhCK3Bn8P1OXW0XPw=="
+    },
+    {
+      "name": "chacha20poly1305_wrong_salt",
+      "comment": "valid ciphertext with corrupted salt",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "context": "",
+      "ciphertext": "Ar7iGADEadxj/CgfWTjuPOGZo/ui+/USfH31CKizoZLuNfS7nHmOR2ISHBbR50DYW66Liz7OwTAACh6sp0eTviRY5+Uc4PjYUw=="
+    },
+    {
+      "name": "chacha20poly1305_empty_message",
+      "comment": "zero-length ciphertext, too short for header",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "context": "",
+      "ciphertext": null
+    },
+    {
+      "name": "chacha20poly1305_short_header_no_commitment",
+      "comment": "only salt, no commitment",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "context": "",
+      "ciphertext": "mFm08jXMio9cJlzHzeh39pVRCT3Kt7LB"
+    },
+    {
+      "name": "chacha20poly1305_short_header_partial_commitment",
+      "comment": "salt and partial commitment (40 of 56 header bytes)",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "context": "",
+      "ciphertext": "IaJosLY/x6VWak+N7GTQYniwA860Jer1SgzZGMSeEk/qg7EokNrspQ=="
+    },
+    {
+      "name": "chacha20poly1305_short_header_no_salt",
+      "comment": "too short to contain even the salt",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "context": "",
+      "ciphertext": "6ytrvCCh05Kkrw=="
+    },
+    {
+      "name": "chacha20poly1305_truncated_at_chunk_boundary",
+      "comment": "full chunk without terminating empty chunk",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "baad1a6900acaa1c2d712ad7988fe7ffb01f1d7be8023c2958ad794d3285db54",
+      "base_nonce": "27a6af329e34682724cd38ea",
+      "context": "",
+      "ciphertext": "eNrswKFqAmEAAOCFtY3BuL42lndssCuDsXAHg6WDpZmNaheu2i4c2DSIr6BRBA0mwSqIRdGHOH4fw/J9g+3oe/9424uy38Pr7LxZLdcP8d/iffySFdXdsAydRn1Mn/P7ePJfhOLUTMJT6zNMbwAAAAAAAAAAAAAAAAAAAICrm/9UZbef1Hm0+/hqp2+XAAAA//8HqiNW",
+      "compressed": true,
+      "payload_sha256": "0a4859ac1f80fcff26aa08186b80ffadca60fc2db626a9e9c9b65f0993a7ec5b",
+      "payload_length": 16384
+    },
+    {
+      "name": "chacha20poly1305_truncated_mid_chunk",
+      "comment": "full chunk followed by second chunk truncated mid-body",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "98dfa02018511baf85562eb2f4d634abbc523cfbd81f91d3dd3506548717467c",
+      "base_nonce": "10d0b1e477e1bf4c5df3cf16",
+      "context": "",
+      "ciphertext": "eNrs0DFKQgEAANCgoYKooAN8mmqIgg7Q1BD85iBCdHIV9QJOCiK4+AcHxe/HQXRwEpwEPYCTk4OTrl5AwWMI8t4R3tVwdV1cvF/Ot624UyiXPmeZt/Br/BPs2pX6/iabaj4Gtc0kSqL/+5dp73WQbnwcnrrLCwAAAAAAAAAAAAAAAAAAAODk4nxy+/D3W/2+C3P90frZCAAAAAAAAACcn2MAAAD//zWcIXU=",
+      "compressed": true,
+      "payload_sha256": "611fb5461e7e0b9d04383f1f8c2ee6382f584f08da69c37816699e46a90b4d0d",
+      "payload_length": 16384
+    },
+    {
+      "name": "chacha20poly1305_swapped_chunks",
+      "comment": "two full chunks plus short final chunk, chunks 0 and 1 swapped",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "8264fd899ec68fa0187b2872a3d4ec257e2885a837d2e4827d13e6b1ae1d6939",
+      "base_nonce": "397e8d18a738e0845f6ca16d",
+      "context": "",
+      "ciphertext": "eNrs0D8rBQEAAPCXMJDyAZR66kpS6C2SyIDJ9jaL4b2MzCYlilmdspwYxHJlcoYrG8lilKgbDNfVlb9RfIxbfr+P8Bsa6P7N58ajuHN5cKto9K+XT1eTL9fl6+nXWJQWve87C583fe3V/eB+uP6QxxtHK3/Pu7PzNQAAAAAAAAAAAAAAAAAAAKByZ/WPi5HLvdFmMtFxsnn4bQQAAAAAAAAAAAAAAAAAAACqV8y8PQZhuha0WgdRdt6sNZba2eLxz/ZUEt7ddvVM/wcAAP//sTE2zw==",
+      "compressed": true
+    },
+    {
+      "name": "chacha20poly1305_duplicated_chunk",
+      "comment": "chunk 0 duplicated in place of chunk 1, followed by short final chunk",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "a9e05b644f043d14c32647c0012a9a6aaa67120a3dfe6124d26666b1726cbc4b",
+      "base_nonce": "f795b41f5574486f459582ac",
+      "context": "",
+      "ciphertext": "eNrs3KFKAwEAgGE5NJjkxChY1KyCoILlXkDkFItXVBA0aREMntdEEC4omDzMBsFkMdrUK7aFwcrC4uAYg7E9wB7gyvc9wv8Afz67k/5+9vLX7fLs6W1t5rvIrs+fJ1vJRuf4YmuYBPdTmz/Z4+VyHOwtrX7Nr680q7nq424CAAAAAAAAAAAAAAAAAAAAqN1uo336Vy5c3QQn4f/D+60iAAAAAAAAAAAAAAAAAAAAUL+xH0Da3R8cxFE/ejkKFw+L6VEAAAD//0ZTMWo=",
+      "compressed": true,
+      "payload_sha256": "5be892c0d9d63c6d787c412a7ddc456d5ac0d628fc8046b9cce5044bcc287f45",
+      "payload_length": 16384
+    },
+    {
+      "name": "chacha20poly1305_extension_after_final",
+      "comment": "valid full chunk and short final chunk followed by extra encrypted chunk",
+      "aead": "AEAD_CHACHA20_POLY1305",
+      "expect": "failure",
+      "key": "59454c4c4f57205355424d4152494e452059454c4c4f57205355424d4152494e",
+      "aead_key": "260fb725ae3f608b93230b02c156660f17b43ac03eb70967f42d50c297660f3d",
+      "base_nonce": "665a50f577fcb694d9f32045",
+      "context": "",
+      "ciphertext": "eNrswK1qAgEAwPEL6xfGYGXbjZWD+whrY2EMBgvHLqwMZhRFMIoHKgoi9wLiiWLxxOMwHQgKBqOWQ7F4YDQIYhIsBkEfw/L/yeX83V/dF9VBdLsx7ovJkpXIuGrhLf7gGaf0fnIjPb2Ylffma6f9mXX0c0vTn38XKwEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFxdT5HdH2807m+P0yhl5oTvXVWKfVkfihMuw5p4EB6D2TrQInsu2n5j+N+9BAAA///mfDIU",
+      "compressed": true,
+      "payload_sha256": "f8df87180e023a0a36f24ba8b746d0cc5c865366ccb77b0390ea0edc380f74e9",
+      "payload_length": 16384
+    }
+  ]
+}
\ No newline at end of file