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Add CSR write testing using opaque keys

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Parse and verify CSR programatically instead of using predetermined data,
to not tamper with randomness in tests.
This commit is contained in:
Andrzej Kurek 2018-11-19 10:12:37 -05:00
parent 6f249de706
commit c3de438b8e
2 changed files with 79 additions and 0 deletions
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4
tests/suites/test_suite_x509write.data
View File

@ -42,6 +42,10 @@ Certificate Request check Server5 ECDSA, key_usage
depends_on:MBEDTLS_SHA1_C:MBEDTLS_ECDSA_C:MBEDTLS_ECDSA_DETERMINISTIC:MBEDTLS_ECP_DP_SECP256R1_ENABLED
x509_csr_check:"data_files/server5.key":"data_files/server5.req.ku.sha1":MBEDTLS_MD_SHA1:MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_NON_REPUDIATION:0
Certificate Request check opaque Server5 ECDSA, key_usage
depends_on:MBEDTLS_SHA256_C:MBEDTLS_ECDSA_C:MBEDTLS_ECDSA_DETERMINISTIC:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_USE_PSA_CRYPTO
x509_csr_check_opaque:"data_files/server5.key":MBEDTLS_MD_SHA256:MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_NON_REPUDIATION:0
Certificate write check Server1 SHA1
depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20110212144406":"20210212144406":MBEDTLS_MD_SHA1:0:0:1:-1:"data_files/server1.crt":0

75
tests/suites/test_suite_x509write.function
View File

@ -5,6 +5,11 @@
#include "mbedtls/pem.h"
#include "mbedtls/oid.h"
#include "mbedtls/rsa.h"
#if defined(MBEDTLS_USE_PSA_CRYPTO)
#include "psa/crypto.h"
#include "mbedtls/psa_util.h"
#endif
#if defined(MBEDTLS_RSA_C)
int mbedtls_rsa_decrypt_func( void *ctx, int mode, size_t *olen,
@ -28,6 +33,29 @@ size_t mbedtls_rsa_key_len_func( void *ctx )
}
#endif /* MBEDTLS_RSA_C */
#if defined(MBEDTLS_USE_PSA_CRYPTO)
static int x509_crt_verifycsr( const unsigned char *buf, size_t buflen )
{
unsigned char hash[MBEDTLS_MD_MAX_SIZE];
const mbedtls_md_info_t *md_info;
mbedtls_x509_csr csr;
if( mbedtls_x509_csr_parse( &csr, buf, buflen ) != 0 )
return( MBEDTLS_ERR_X509_BAD_INPUT_DATA );
md_info = mbedtls_md_info_from_type( csr.sig_md );
if( mbedtls_md( md_info, csr.cri.p, csr.cri.len, hash ) != 0 )
return ( MBEDTLS_ERR_X509_BAD_INPUT_DATA );/* Note: this can't happen except after an internal error */
if( mbedtls_pk_verify_ext( csr.sig_pk, csr.sig_opts, &csr.pk,
csr.sig_md, hash, mbedtls_md_get_size( md_info ),
csr.sig.p, csr.sig.len ) != 0 )
return( MBEDTLS_ERR_X509_CERT_VERIFY_FAILED );
return( 0 );
}
#endif /* MBEDTLS_USE_PSA_CRYPTO */
/* END_HEADER */
/* BEGIN_DEPENDENCIES
@ -95,6 +123,53 @@ exit:
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_PEM_WRITE_C:MBEDTLS_X509_CSR_WRITE_C:MBEDTLS_USE_PSA_CRYPTO */
void x509_csr_check_opaque( char *key_file, int md_type, int key_usage,
int cert_type )
{
mbedtls_pk_context key;
psa_key_slot_t slot;
psa_algorithm_t md_alg_psa;
mbedtls_x509write_csr req;
unsigned char buf[4096];
int ret;
size_t pem_len = 0;
const char *subject_name = "C=NL,O=PolarSSL,CN=PolarSSL Server 1";
rnd_pseudo_info rnd_info;
psa_crypto_init();
memset( &rnd_info, 0x2a, sizeof( rnd_pseudo_info ) );
md_alg_psa = mbedtls_psa_translate_md( (mbedtls_md_type_t) md_type );
TEST_ASSERT( md_alg_psa != MBEDTLS_MD_NONE );
mbedtls_pk_init( &key );
TEST_ASSERT( mbedtls_pk_parse_keyfile( &key, key_file, NULL ) == 0 );
TEST_ASSERT( mbedtls_pk_wrap_as_opaque( &key, &slot, md_alg_psa ) == 0 );
mbedtls_x509write_csr_init( &req );
mbedtls_x509write_csr_set_md_alg( &req, md_type );
mbedtls_x509write_csr_set_key( &req, &key );
TEST_ASSERT( mbedtls_x509write_csr_set_subject_name( &req, subject_name ) == 0 );
if( key_usage != 0 )
TEST_ASSERT( mbedtls_x509write_csr_set_key_usage( &req, key_usage ) == 0 );
if( cert_type != 0 )
TEST_ASSERT( mbedtls_x509write_csr_set_ns_cert_type( &req, cert_type ) == 0 );
ret = mbedtls_x509write_csr_pem( &req, buf, sizeof( buf ),
rnd_pseudo_rand, &rnd_info );
TEST_ASSERT( ret == 0 );
pem_len = strlen( (char *) buf );
buf[pem_len] = '\0';
TEST_ASSERT( x509_crt_verifycsr( buf, pem_len+1 ) == 0 );
exit:
mbedtls_x509write_csr_free( &req );
mbedtls_pk_free( &key );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_PEM_WRITE_C:MBEDTLS_X509_CRT_WRITE_C:MBEDTLS_SHA1_C */
void x509_crt_check( char *subject_key_file, char *subject_pwd,
char *subject_name, char *issuer_key_file,