diff options
Diffstat (limited to 'thirdparty/mbedtls/library/ecdsa.c')
| -rw-r--r-- | thirdparty/mbedtls/library/ecdsa.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/thirdparty/mbedtls/library/ecdsa.c b/thirdparty/mbedtls/library/ecdsa.c index 826fefe5c6..17a88bdd29 100644 --- a/thirdparty/mbedtls/library/ecdsa.c +++ b/thirdparty/mbedtls/library/ecdsa.c @@ -400,6 +400,9 @@ int mbedtls_ecdsa_read_signature( mbedtls_ecdsa_context *ctx, &ctx->Q, &r, &s ) ) != 0 ) goto cleanup; + /* At this point we know that the buffer starts with a valid signature. + * Return 0 if the buffer just contains the signature, and a specific + * error code if the valid signature is followed by more data. */ if( p != end ) ret = MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH; |