mbedtls/tests/suites/test_suite_x509write.function

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/* BEGIN_HEADER */
#include <polarssl/x509write.h>
#include <polarssl/x509.h>
#include <polarssl/pem.h>
#include <polarssl/oid.h>
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:POLARSSL_X509_WRITE_C:POLARSSL_BIGNUM_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void x509_cert_req_check( char *key_file, int md_type,
char *cert_req_check_file )
{
rsa_context rsa;
pem_context pem;
x509_cert_req req;
unsigned char *c;
unsigned char buf[4000];
unsigned char check_buf[4000];
int ret;
size_t olen = 2000;
FILE *f;
char *subject_name = "C=NL,O=PolarSSL,CN=PolarSSL Server 1";
memset( &rsa, 0, sizeof(rsa_context) );
ret = x509parse_keyfile_rsa( &rsa, key_file, NULL );
TEST_ASSERT( ret == 0 );
if( ret != 0 )
return;
x509cert_req_init( &req );
x509cert_req_set_md_alg( &req, md_type );
x509cert_req_set_rsa_key( &req, &rsa );
TEST_ASSERT( x509cert_req_set_subject_name( &req, subject_name ) == 0 );
ret = x509_write_cert_req( &req, buf, 4000 );
TEST_ASSERT( ret >= 0 );
c = buf + 3999 - ret;
f = fopen( cert_req_check_file, "r" );
TEST_ASSERT( f != NULL );
fread( check_buf, 1, 4000, f );
fclose( f );
pem_init( &pem );
pem_read_buffer( &pem, "-----BEGIN CERTIFICATE REQUEST-----", "-----END CERTIFICATE REQUEST-----", check_buf, NULL, 0, &olen );
TEST_ASSERT( memcmp( c, pem.buf, pem.buflen ) == 0 );
TEST_ASSERT( pem.buflen == (size_t) ret );
x509cert_req_free( &req );
rsa_free( &rsa );
pem_free( &pem );
}
/* END_CASE */