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Merge pull request #7499 from JonathanWitthoeft/development

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Bug Fix: mbedtls_ecdsa_verify_restartable fails with ECDSA_SIGN_ALT
This commit is contained in:
Gilles Peskine
2023-04-28 12:45:32 +02:00
committed by GitHub
parent e93c90e881 2a878a85a6
commit d2e1dd098c
2 changed files with 16 additions and 13 deletions
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26
library/ecdsa.c
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@ -234,6 +234,19 @@ cleanup:
}
#endif /* ECDSA_DETERMINISTIC || !ECDSA_SIGN_ALT || !ECDSA_VERIFY_ALT */
int mbedtls_ecdsa_can_do(mbedtls_ecp_group_id gid)
{
switch (gid) {
#ifdef MBEDTLS_ECP_DP_CURVE25519_ENABLED
case MBEDTLS_ECP_DP_CURVE25519: return 0;
#endif
#ifdef MBEDTLS_ECP_DP_CURVE448_ENABLED
case MBEDTLS_ECP_DP_CURVE448: return 0;
#endif
default: return 1;
}
}
#if !defined(MBEDTLS_ECDSA_SIGN_ALT)
/*
* Compute ECDSA signature of a hashed message (SEC1 4.1.3)
@ -373,19 +386,6 @@ cleanup:
return ret;
}
int mbedtls_ecdsa_can_do(mbedtls_ecp_group_id gid)
{
switch (gid) {
#ifdef MBEDTLS_ECP_DP_CURVE25519_ENABLED
case MBEDTLS_ECP_DP_CURVE25519: return 0;
#endif
#ifdef MBEDTLS_ECP_DP_CURVE448_ENABLED
case MBEDTLS_ECP_DP_CURVE448: return 0;
#endif
default: return 1;
}
}
/*
* Compute ECDSA signature of a hashed message
*/