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| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-11-04 13:31:30 +0100 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-11-04 13:31:30 +0100 |
| commit | c5c44d12073791bb1150445ce48bc57fccbb544d (patch) | |
| tree | 9d7704d17cb06f886b0943d1508c9ff08f4b9570 /security/nss/lib/freebl/chacha20poly1305.c | |
| parent | a63272b5303b7aef467e974c630f745146fb983a (diff) | |
| parent | bbc2206a0fda053a6f5071b457bd209dab9ed268 (diff) | |
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Merge branch 'master' into certexception-work
Diffstat (limited to 'security/nss/lib/freebl/chacha20poly1305.c')
| -rw-r--r-- | security/nss/lib/freebl/chacha20poly1305.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/chacha20poly1305.c b/security/nss/lib/freebl/chacha20poly1305.c index 302f0db9e..8fdaf3fec 100644 --- a/security/nss/lib/freebl/chacha20poly1305.c +++ b/security/nss/lib/freebl/chacha20poly1305.c @@ -234,6 +234,11 @@ ChaCha20Poly1305_Open(const ChaCha20Poly1305Context *ctx, unsigned char *output, PORT_SetError(SEC_ERROR_OUTPUT_LEN); return SECFailure; } + // ChaCha has a 64 octet block, with a 32-bit block counter. + if (inputLen >= (1ULL << (6 + 32)) + ctx->tagLen) { + PORT_SetError(SEC_ERROR_INPUT_LEN); + return SECFailure; + } PORT_Memset(block, 0, sizeof(block)); // Generate a block of keystream. The first 32 bytes will be the poly1305 |