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Add missing return code check on call to mbedtls_md()

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This commit is contained in:
Gilles Peskine 2020-01-21 16:56:03 +01:00
parent dbcb44202c
commit b08e44fda7
1 changed files with 3 additions and 1 deletions
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4
library/x509write_csr.c
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@ -214,7 +214,9 @@ int mbedtls_x509write_csr_der( mbedtls_x509write_csr *ctx, unsigned char *buf, s
return( MBEDTLS_ERR_X509_FATAL_ERROR ); return( MBEDTLS_ERR_X509_FATAL_ERROR );
} }
#else /* MBEDTLS_USE_PSA_CRYPTO */ #else /* MBEDTLS_USE_PSA_CRYPTO */
mbedtls_md( mbedtls_md_info_from_type( ctx->md_alg ), c, len, hash ); ret = mbedtls_md( mbedtls_md_info_from_type( ctx->md_alg ), c, len, hash );
if( ret != 0 )
return( ret );
#endif #endif
if( ( ret = mbedtls_pk_sign( ctx->key, ctx->md_alg, hash, 0, sig, &sig_len, if( ( ret = mbedtls_pk_sign( ctx->key, ctx->md_alg, hash, 0, sig, &sig_len,
f_rng, p_rng ) ) != 0 ) f_rng, p_rng ) ) != 0 )