Change x509write_crt to use new MD API ret code
diff --git a/library/x509write_crt.c b/library/x509write_crt.c
index d1d9a22..3faad7c 100644
--- a/library/x509write_crt.c
+++ b/library/x509write_crt.c
@@ -177,8 +177,11 @@
memset( buf, 0, sizeof(buf) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_pk_write_pubkey( &c, buf, ctx->subject_key ) );
- mbedtls_sha1( buf + sizeof(buf) - len, len, buf + sizeof(buf) - 20 );
- c = buf + sizeof(buf) - 20;
+ ret = mbedtls_sha1_ext( buf + sizeof( buf ) - len, len,
+ buf + sizeof( buf ) - 20 );
+ if( ret != 0 )
+ return( ret );
+ c = buf + sizeof( buf ) - 20;
len = 20;
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, len ) );
@@ -199,8 +202,11 @@
memset( buf, 0, sizeof(buf) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_pk_write_pubkey( &c, buf, ctx->issuer_key ) );
- mbedtls_sha1( buf + sizeof(buf) - len, len, buf + sizeof(buf) - 20 );
- c = buf + sizeof(buf) - 20;
+ ret = mbedtls_sha1_ext( buf + sizeof( buf ) - len, len,
+ buf + sizeof( buf ) - 20 );
+ if( ret != 0 )
+ return( ret );
+ c = buf + sizeof( buf ) - 20;
len = 20;
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, len ) );
@@ -398,7 +404,11 @@
/*
* Make signature
*/
- mbedtls_md( mbedtls_md_info_from_type( ctx->md_alg ), c, len, hash );
+ if( ( ret = mbedtls_md( mbedtls_md_info_from_type( ctx->md_alg ), c,
+ len, hash ) ) != 0 )
+ {
+ return( ret );
+ }
if( ( ret = mbedtls_pk_sign( ctx->issuer_key, ctx->md_alg, hash, 0, sig, &sig_len,
f_rng, p_rng ) ) != 0 )