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Improve programs/cert_write with a way to set extended key usages

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Nicholas Wilson
2015-09-09 19:03:34 +01:00
committed by Dave Rodgman
parent 0edfa9dd26
commit 8e5bdfbbcf
3 changed files with 109 additions and 0 deletions
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34
library/x509write_crt.c
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@ -296,6 +296,40 @@ int mbedtls_x509write_crt_set_key_usage( mbedtls_x509write_cert *ctx,
return( 0 );
}
int mbedtls_x509write_crt_set_ext_key_usage( mbedtls_x509write_cert *ctx,
const mbedtls_asn1_sequence *exts )
{
unsigned char buf[256];
unsigned char *c = buf + sizeof(buf);
int ret;
size_t len = 0;
if( exts == NULL )
return( MBEDTLS_ERR_X509_BAD_INPUT_DATA );
while( exts != NULL )
{
if( exts->buf.tag != MBEDTLS_ASN1_OID )
return( MBEDTLS_ERR_X509_BAD_INPUT_DATA );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_raw_buffer( &c, buf, exts->buf.p, exts->buf.len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, exts->buf.len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, buf, MBEDTLS_ASN1_OID ) );
exts = exts->next;
}
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, buf, MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) );
ret = mbedtls_x509write_crt_set_extension( ctx,
MBEDTLS_OID_EXTENDED_KEY_USAGE,
MBEDTLS_OID_SIZE( MBEDTLS_OID_EXTENDED_KEY_USAGE ),
1, c, len );
if( ret != 0 )
return( ret );
return( 0 );
}
int mbedtls_x509write_crt_set_ns_cert_type( mbedtls_x509write_cert *ctx,
unsigned char ns_cert_type )
{