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oid_get_oid_by_*() now give back oid length as well

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This commit is contained in:
Paul Bakker
2013-09-10 11:43:44 +02:00
parent b2d7f23592
commit 1c3853b953
4 changed files with 25 additions and 14 deletions
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19
library/x509write.c
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@@ -581,7 +581,8 @@ static int x509_write_names( unsigned char **p, unsigned char *start,
}
static int x509_write_sig( unsigned char **p, unsigned char *start,
const char *oid, unsigned char *sig, size_t size )
const char *oid, size_t oid_len,
unsigned char *sig, size_t size )
{
int ret;
size_t len = 0;
@@ -602,7 +603,7 @@ static int x509_write_sig( unsigned char **p, unsigned char *start,
// Write OID
//
ASN1_CHK_ADD( len, asn1_write_algorithm_identifier( p, start, oid,
strlen( oid ) ) );
oid_len ) );
return( len );
}
@@ -693,6 +694,7 @@ int x509write_csr_der( x509write_csr *ctx, unsigned char *buf, size_t size )
{
int ret;
const char *sig_oid;
size_t sig_oid_len = 0;
unsigned char *c, *c2;
unsigned char hash[64];
unsigned char sig[POLARSSL_MPI_MAX_SIZE];
@@ -768,10 +770,12 @@ int x509write_csr_der( x509write_csr *ctx, unsigned char *buf, size_t size )
// Generate correct OID
//
ret = oid_get_oid_by_sig_alg( POLARSSL_PK_RSA, ctx->md_alg, &sig_oid );
ret = oid_get_oid_by_sig_alg( POLARSSL_PK_RSA, ctx->md_alg, &sig_oid,
&sig_oid_len );
c2 = buf + size - 1;
ASN1_CHK_ADD( sig_len, x509_write_sig( &c2, buf, sig_oid, sig, ctx->rsa->len ) );
ASN1_CHK_ADD( sig_len, x509_write_sig( &c2, buf, sig_oid, sig_oid_len,
sig, ctx->rsa->len ) );
c2 -= len;
memcpy( c2, c, len );
@@ -787,6 +791,7 @@ int x509write_crt_der( x509write_cert *ctx, unsigned char *buf, size_t size )
{
int ret;
const char *sig_oid;
size_t sig_oid_len = 0;
unsigned char *c, *c2;
unsigned char hash[64];
unsigned char sig[POLARSSL_MPI_MAX_SIZE];
@@ -798,7 +803,8 @@ int x509write_crt_der( x509write_cert *ctx, unsigned char *buf, size_t size )
// Generate correct OID
//
ret = oid_get_oid_by_sig_alg( POLARSSL_PK_RSA, ctx->md_alg, &sig_oid );
ret = oid_get_oid_by_sig_alg( POLARSSL_PK_RSA, ctx->md_alg, &sig_oid,
&sig_oid_len );
if( ret != 0 )
return( ret );
@@ -893,7 +899,8 @@ int x509write_crt_der( x509write_cert *ctx, unsigned char *buf, size_t size )
rsa_pkcs1_sign( ctx->issuer_key, NULL, NULL, RSA_PRIVATE, ctx->md_alg, 0, hash, sig );
c2 = buf + size - 1;
ASN1_CHK_ADD( sig_len, x509_write_sig( &c2, buf, sig_oid, sig, ctx->issuer_key->len ) );
ASN1_CHK_ADD( sig_len, x509_write_sig( &c2, buf, sig_oid, sig_oid_len,
sig, ctx->issuer_key->len ) );
c2 -= len;
memcpy( c2, c, len );