diff options
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 302f0db9e7..8fdaf3fec8 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 |