Return error code of underlying function.
Return the error code if failed, instead of returning value `1`.
If not failed, return the call of the underlying function,
in `mbedtls_ecdsa_genkey()`.
diff --git a/library/ecdsa.c b/library/ecdsa.c
index 1204ef9..dc19384 100644
--- a/library/ecdsa.c
+++ b/library/ecdsa.c
@@ -800,11 +800,16 @@
int mbedtls_ecdsa_genkey( mbedtls_ecdsa_context *ctx, mbedtls_ecp_group_id gid,
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
{
+ int ret = 0;
ECDSA_VALIDATE_RET( ctx != NULL );
ECDSA_VALIDATE_RET( f_rng != NULL );
- return( mbedtls_ecp_group_load( &ctx->grp, gid ) ||
- mbedtls_ecp_gen_keypair( &ctx->grp, &ctx->d, &ctx->Q, f_rng, p_rng ) );
+ ret = mbedtls_ecp_group_load( &ctx->grp, gid );
+ if( ret != 0 )
+ return( ret );
+
+ return( mbedtls_ecp_gen_keypair( &ctx->grp, &ctx->d,
+ &ctx->Q, f_rng, p_rng ) );
}
#endif /* !MBEDTLS_ECDSA_GENKEY_ALT */
