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Complete EC support in x509write_crt

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Manuel Pégourié-Gonnard 2013-09-12 06:26:54 +02:00 committed by Paul Bakker
parent 31e59400d2
commit bb323ffc7c
1 changed files with 24 additions and 21 deletions
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45
library/x509write.c
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@ -189,6 +189,27 @@ static int x509_write_ec_param( unsigned char **p, unsigned char *start,
}
#endif /* POLARSSL_ECP_C */
static int x509_write_pubkey( unsigned char **p, unsigned char *start,
const pk_context *key )
{
int ret;
size_t len = 0;
#if defined(POLARSSL_RSA_C)
if( pk_get_type( key ) == POLARSSL_PK_RSA )
ASN1_CHK_ADD( len, x509_write_rsa_pubkey( p, start, pk_rsa( *key ) ) );
else
#endif
#if defined(POLARSSL_ECP_C)
if( pk_get_type( key ) == POLARSSL_PK_ECKEY )
ASN1_CHK_ADD( len, x509_write_ec_pubkey( p, start, pk_ec( *key ) ) );
else
#endif
return( POLARSSL_ERR_X509_FEATURE_UNAVAILABLE );
return( len );
}
void x509write_csr_init( x509write_csr *ctx )
{
memset( ctx, 0, sizeof(x509write_csr) );
@ -404,12 +425,8 @@ int x509write_crt_set_subject_key_identifier( x509write_cert *ctx )
unsigned char *c = buf + sizeof(buf);
size_t len = 0;
if( pk_get_type( ctx->subject_key ) != POLARSSL_PK_RSA )
return( POLARSSL_ERR_X509_FEATURE_UNAVAILABLE );
memset( buf, 0, sizeof(buf));
ASN1_CHK_ADD( len, x509_write_rsa_pubkey( &c, buf,
pk_rsa( *ctx->subject_key ) ) );
ASN1_CHK_ADD( len, x509_write_pubkey( &c, buf, ctx->subject_key ) );
sha1( buf + sizeof(buf) - len, len, buf + sizeof(buf) - 20 );
c = buf + sizeof(buf) - 20;
@ -430,12 +447,8 @@ int x509write_crt_set_authority_key_identifier( x509write_cert *ctx )
unsigned char *c = buf + sizeof(buf);
size_t len = 0;
if( pk_get_type( ctx->issuer_key ) != POLARSSL_PK_RSA )
return( POLARSSL_ERR_X509_FEATURE_UNAVAILABLE );
memset( buf, 0, sizeof(buf));
ASN1_CHK_ADD( len, x509_write_rsa_pubkey( &c, buf,
pk_rsa( *ctx->issuer_key ) ) );
ASN1_CHK_ADD( len, x509_write_pubkey( &c, buf, ctx->issuer_key ) );
sha1( buf + sizeof(buf) - len, len, buf + sizeof(buf) - 20 );
c = buf + sizeof(buf) - 20;
@ -502,17 +515,7 @@ int x509write_pubkey_der( pk_context *key, unsigned char *buf, size_t size )
c = buf + size;
#if defined(POLARSSL_RSA_C)
if( pk_get_type( key ) == POLARSSL_PK_RSA )
ASN1_CHK_ADD( len, x509_write_rsa_pubkey( &c, buf, pk_rsa( *key ) ) );
else
#endif
#if defined(POLARSSL_ECP_C)
if( pk_get_type( key ) == POLARSSL_PK_ECKEY )
ASN1_CHK_ADD( len, x509_write_ec_pubkey( &c, buf, pk_ec( *key ) ) );
else
#endif
return( POLARSSL_ERR_X509_FEATURE_UNAVAILABLE );
ASN1_CHK_ADD( len, x509_write_pubkey( &c, buf, key ) );
if( c - buf < 1 )
return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL );