mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-11-23 00:45:56 +01:00
526 lines
16 KiB
Plaintext
526 lines
16 KiB
Plaintext
/* BEGIN_HEADER */
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#include "polarssl/pk.h"
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/* For error codes */
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#include "polarssl/ecp.h"
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#include "polarssl/rsa.h"
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/* For detecting 64-bit compilation */
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#include "polarssl/bignum.h"
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static int rnd_std_rand( void *rng_state, unsigned char *output, size_t len );
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#define RSA_KEY_SIZE 512
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#define RSA_KEY_LEN 64
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static int pk_genkey( pk_context *pk )
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{
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((void) pk);
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#if defined(POLARSSL_RSA_C) && defined(POLARSSL_GENPRIME)
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if( pk_get_type( pk ) == POLARSSL_PK_RSA )
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return rsa_gen_key( pk_rsa( *pk ), rnd_std_rand, NULL, RSA_KEY_SIZE, 3 );
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#endif
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#if defined(POLARSSL_ECP_C)
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if( pk_get_type( pk ) == POLARSSL_PK_ECKEY ||
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pk_get_type( pk ) == POLARSSL_PK_ECKEY_DH ||
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pk_get_type( pk ) == POLARSSL_PK_ECDSA )
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{
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int ret;
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if( ( ret = ecp_use_known_dp( &pk_ec( *pk )->grp,
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POLARSSL_ECP_DP_SECP192R1 ) ) != 0 )
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return( ret );
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return ecp_gen_keypair( &pk_ec( *pk )->grp, &pk_ec( *pk )->d,
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&pk_ec( *pk )->Q, rnd_std_rand, NULL );
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}
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#endif
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return( -1 );
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}
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#if defined(POLARSSL_RSA_C)
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int rsa_decrypt_func( void *ctx, int mode, size_t *olen,
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const unsigned char *input, unsigned char *output,
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size_t output_max_len )
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{
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return( rsa_pkcs1_decrypt( (rsa_context *) ctx, NULL, NULL, mode, olen,
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input, output, output_max_len ) );
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}
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int rsa_sign_func( void *ctx,
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int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
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int mode, md_type_t md_alg, unsigned int hashlen,
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const unsigned char *hash, unsigned char *sig )
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{
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return( rsa_pkcs1_sign( (rsa_context *) ctx, f_rng, p_rng, mode,
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md_alg, hashlen, hash, sig ) );
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}
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size_t rsa_key_len_func( void *ctx )
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{
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return( ((const rsa_context *) ctx)->len );
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}
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#endif /* POLARSSL_RSA_C */
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:POLARSSL_PK_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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void pk_utils( int type, int size, int len, char *name )
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{
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pk_context pk;
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pk_init( &pk );
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TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( type ) ) == 0 );
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TEST_ASSERT( pk_genkey( &pk ) == 0 );
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TEST_ASSERT( (int) pk_get_type( &pk ) == type );
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TEST_ASSERT( pk_can_do( &pk, type ) );
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TEST_ASSERT( pk_get_size( &pk ) == (unsigned) size );
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TEST_ASSERT( pk_get_len( &pk ) == (unsigned) len );
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TEST_ASSERT( strcmp( pk_get_name( &pk), name ) == 0 );
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exit:
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pk_free( &pk );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_PK_PARSE_C:POLARSSL_FS_IO */
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void pk_check_pair( char *pub_file, char *prv_file, int ret )
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{
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pk_context pub, prv, alt;
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pk_init( &pub );
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pk_init( &prv );
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pk_init( &alt );
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TEST_ASSERT( pk_parse_public_keyfile( &pub, pub_file ) == 0 );
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TEST_ASSERT( pk_parse_keyfile( &prv, prv_file, NULL ) == 0 );
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TEST_ASSERT( pk_check_pair( &pub, &prv ) == ret );
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#if defined(POLARSSL_RSA_C)
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if( pk_get_type( &prv ) == POLARSSL_PK_RSA )
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{
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TEST_ASSERT( pk_init_ctx_rsa_alt( &alt, pk_rsa( prv ),
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rsa_decrypt_func, rsa_sign_func, rsa_key_len_func ) == 0 );
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TEST_ASSERT( pk_check_pair( &pub, &alt ) == ret );
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}
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#endif
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pk_free( &pub );
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pk_free( &prv );
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pk_free( &alt );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_RSA_C */
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void pk_rsa_verify_test_vec( char *message_hex_string, int digest,
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int mod, int radix_N, char *input_N, int radix_E,
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char *input_E, char *result_hex_str, int result )
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{
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unsigned char message_str[1000];
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unsigned char hash_result[1000];
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unsigned char result_str[1000];
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rsa_context *rsa;
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pk_context pk;
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int msg_len;
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pk_init( &pk );
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memset( message_str, 0x00, 1000 );
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memset( hash_result, 0x00, 1000 );
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memset( result_str, 0x00, 1000 );
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TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( POLARSSL_PK_RSA ) ) == 0 );
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rsa = pk_rsa( pk );
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rsa->len = mod / 8;
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TEST_ASSERT( mpi_read_string( &rsa->N, radix_N, input_N ) == 0 );
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TEST_ASSERT( mpi_read_string( &rsa->E, radix_E, input_E ) == 0 );
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msg_len = unhexify( message_str, message_hex_string );
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unhexify( result_str, result_hex_str );
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if( md_info_from_type( digest ) != NULL )
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TEST_ASSERT( md( md_info_from_type( digest ), message_str, msg_len, hash_result ) == 0 );
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TEST_ASSERT( pk_verify( &pk, digest, hash_result, 0,
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result_str, pk_get_len( &pk ) ) == result );
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exit:
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pk_free( &pk );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_RSA_C */
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void pk_rsa_verify_ext_test_vec( char *message_hex_string, int digest,
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int mod, int radix_N, char *input_N, int radix_E,
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char *input_E, char *result_hex_str,
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int pk_type, int mgf1_hash_id, int salt_len,
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int result )
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{
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unsigned char message_str[1000];
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unsigned char hash_result[1000];
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unsigned char result_str[1000];
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rsa_context *rsa;
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pk_context pk;
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pk_rsassa_pss_options pss_opts;
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void *options;
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int msg_len;
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size_t hash_len;
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pk_init( &pk );
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memset( message_str, 0x00, 1000 );
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memset( hash_result, 0x00, 1000 );
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memset( result_str, 0x00, 1000 );
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TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( POLARSSL_PK_RSA ) ) == 0 );
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rsa = pk_rsa( pk );
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rsa->len = mod / 8;
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TEST_ASSERT( mpi_read_string( &rsa->N, radix_N, input_N ) == 0 );
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TEST_ASSERT( mpi_read_string( &rsa->E, radix_E, input_E ) == 0 );
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msg_len = unhexify( message_str, message_hex_string );
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unhexify( result_str, result_hex_str );
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if( digest != POLARSSL_MD_NONE )
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{
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TEST_ASSERT( md( md_info_from_type( digest ),
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message_str, msg_len, hash_result ) == 0 );
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hash_len = 0;
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}
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else
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{
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memcpy( hash_result, message_str, msg_len );
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hash_len = msg_len;
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}
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if( mgf1_hash_id < 0 )
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{
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options = NULL;
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}
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else
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{
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options = &pss_opts;
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pss_opts.mgf1_hash_id = mgf1_hash_id;
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pss_opts.expected_salt_len = salt_len;
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}
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TEST_ASSERT( pk_verify_ext( pk_type, options, &pk,
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digest, hash_result, hash_len,
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result_str, pk_get_len( &pk ) ) == result );
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exit:
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pk_free( &pk );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_ECDSA_C */
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void pk_ec_test_vec( int type, int id, char *key_str,
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char *hash_str, char * sig_str, int ret )
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{
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pk_context pk;
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ecp_keypair *eckey;
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unsigned char hash[100], sig[500], key[500];
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size_t hash_len, sig_len, key_len;
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pk_init( &pk );
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memset( hash, 0, sizeof( hash ) ); hash_len = unhexify(hash, hash_str);
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memset( sig, 0, sizeof( sig ) ); sig_len = unhexify(sig, sig_str);
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memset( key, 0, sizeof( key ) ); key_len = unhexify(key, key_str);
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TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( type ) ) == 0 );
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TEST_ASSERT( pk_can_do( &pk, POLARSSL_PK_ECDSA ) );
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eckey = pk_ec( pk );
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TEST_ASSERT( ecp_use_known_dp( &eckey->grp, id ) == 0 );
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TEST_ASSERT( ecp_point_read_binary( &eckey->grp, &eckey->Q,
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key, key_len ) == 0 );
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TEST_ASSERT( pk_verify( &pk, POLARSSL_MD_NONE,
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hash, hash_len, sig, sig_len ) == ret );
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exit:
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pk_free( &pk );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void pk_sign_verify( int type, int sign_ret, int verify_ret )
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{
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pk_context pk;
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unsigned char hash[50], sig[5000];
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size_t sig_len;
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pk_init( &pk );
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memset( hash, 0x2a, sizeof hash );
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memset( sig, 0, sizeof sig );
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TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( type ) ) == 0 );
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TEST_ASSERT( pk_genkey( &pk ) == 0 );
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TEST_ASSERT( pk_sign( &pk, POLARSSL_MD_NONE, hash, sizeof hash,
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sig, &sig_len, rnd_std_rand, NULL ) == sign_ret );
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TEST_ASSERT( pk_verify( &pk, POLARSSL_MD_NONE,
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hash, sizeof hash, sig, sig_len ) == verify_ret );
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exit:
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pk_free( &pk );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_RSA_C */
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void pk_rsa_encrypt_test_vec( char *message_hex, int mod,
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int radix_N, char *input_N,
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int radix_E, char *input_E,
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char *result_hex, int ret )
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{
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unsigned char message[1000];
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unsigned char output[1000];
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unsigned char result[1000];
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size_t msg_len, olen, res_len;
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rnd_pseudo_info rnd_info;
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rsa_context *rsa;
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pk_context pk;
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memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
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memset( message, 0, sizeof( message ) );
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memset( output, 0, sizeof( output ) );
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memset( result, 0, sizeof( result ) );
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msg_len = unhexify( message, message_hex );
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res_len = unhexify( result, result_hex );
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pk_init( &pk );
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TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( POLARSSL_PK_RSA ) ) == 0 );
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rsa = pk_rsa( pk );
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rsa->len = mod / 8;
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TEST_ASSERT( mpi_read_string( &rsa->N, radix_N, input_N ) == 0 );
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TEST_ASSERT( mpi_read_string( &rsa->E, radix_E, input_E ) == 0 );
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TEST_ASSERT( pk_encrypt( &pk, message, msg_len,
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output, &olen, sizeof( output ),
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rnd_pseudo_rand, &rnd_info ) == ret );
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TEST_ASSERT( olen == res_len );
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TEST_ASSERT( memcmp( output, result, olen ) == 0 );
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exit:
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pk_free( &pk );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_RSA_C */
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void pk_rsa_decrypt_test_vec( char *cipher_hex, int mod,
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int radix_P, char *input_P,
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int radix_Q, char *input_Q,
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int radix_N, char *input_N,
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int radix_E, char *input_E,
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char *clear_hex, int ret )
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{
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unsigned char clear[1000];
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unsigned char output[1000];
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unsigned char cipher[1000];
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size_t clear_len, olen, cipher_len;
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rnd_pseudo_info rnd_info;
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mpi P1, Q1, H, G;
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rsa_context *rsa;
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pk_context pk;
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pk_init( &pk );
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mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G );
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memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
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memset( clear, 0, sizeof( clear ) );
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memset( cipher, 0, sizeof( cipher ) );
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clear_len = unhexify( clear, clear_hex );
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cipher_len = unhexify( cipher, cipher_hex );
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/* init pk-rsa context */
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TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( POLARSSL_PK_RSA ) ) == 0 );
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rsa = pk_rsa( pk );
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/* load public key */
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rsa->len = mod / 8;
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TEST_ASSERT( mpi_read_string( &rsa->N, radix_N, input_N ) == 0 );
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TEST_ASSERT( mpi_read_string( &rsa->E, radix_E, input_E ) == 0 );
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/* load private key */
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TEST_ASSERT( mpi_read_string( &rsa->P, radix_P, input_P ) == 0 );
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TEST_ASSERT( mpi_read_string( &rsa->Q, radix_Q, input_Q ) == 0 );
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TEST_ASSERT( mpi_sub_int( &P1, &rsa->P, 1 ) == 0 );
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TEST_ASSERT( mpi_sub_int( &Q1, &rsa->Q, 1 ) == 0 );
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TEST_ASSERT( mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
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TEST_ASSERT( mpi_gcd( &G, &rsa->E, &H ) == 0 );
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TEST_ASSERT( mpi_inv_mod( &rsa->D , &rsa->E, &H ) == 0 );
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TEST_ASSERT( mpi_mod_mpi( &rsa->DP, &rsa->D, &P1 ) == 0 );
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TEST_ASSERT( mpi_mod_mpi( &rsa->DQ, &rsa->D, &Q1 ) == 0 );
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TEST_ASSERT( mpi_inv_mod( &rsa->QP, &rsa->Q, &rsa->P ) == 0 );
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/* decryption test */
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memset( output, 0, sizeof( output ) );
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olen = 0;
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TEST_ASSERT( pk_decrypt( &pk, cipher, cipher_len,
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output, &olen, sizeof( output ),
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rnd_pseudo_rand, &rnd_info ) == ret );
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if( ret == 0 )
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{
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TEST_ASSERT( olen == clear_len );
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TEST_ASSERT( memcmp( output, clear, olen ) == 0 );
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}
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exit:
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mpi_free( &P1 ); mpi_free( &Q1 ); mpi_free( &H ); mpi_free( &G );
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pk_free( &pk );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void pk_ec_nocrypt( int type )
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{
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pk_context pk;
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unsigned char output[100];
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unsigned char input[100];
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rnd_pseudo_info rnd_info;
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size_t olen = 0;
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int ret = POLARSSL_ERR_PK_TYPE_MISMATCH;
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pk_init( &pk );
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memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
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memset( output, 0, sizeof( output ) );
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memset( input, 0, sizeof( input ) );
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TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( type ) ) == 0 );
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TEST_ASSERT( pk_encrypt( &pk, input, sizeof( input ),
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output, &olen, sizeof( output ),
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rnd_pseudo_rand, &rnd_info ) == ret );
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TEST_ASSERT( pk_decrypt( &pk, input, sizeof( input ),
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output, &olen, sizeof( output ),
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rnd_pseudo_rand, &rnd_info ) == ret );
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exit:
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pk_free( &pk );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_RSA_C:POLARSSL_HAVE_INT64 */
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void pk_rsa_overflow( )
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{
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pk_context pk;
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size_t hash_len = (size_t)-1;
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pk_init( &pk );
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TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( POLARSSL_PK_RSA ) ) == 0 );
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#if defined(POLARSSL_PKCS1_V21)
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TEST_ASSERT( pk_verify_ext( POLARSSL_PK_RSASSA_PSS, NULL, &pk,
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POLARSSL_MD_NONE, NULL, hash_len, NULL, 0 ) ==
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POLARSSL_ERR_PK_BAD_INPUT_DATA );
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#endif /* POLARSSL_PKCS1_V21 */
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TEST_ASSERT( pk_verify( &pk, POLARSSL_MD_NONE, NULL, hash_len,
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NULL, 0 ) == POLARSSL_ERR_PK_BAD_INPUT_DATA );
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TEST_ASSERT( pk_sign( &pk, POLARSSL_MD_NONE, NULL, hash_len, NULL, 0,
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rnd_std_rand, NULL ) == POLARSSL_ERR_PK_BAD_INPUT_DATA );
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exit:
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pk_free( &pk );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_RSA_C */
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void pk_rsa_alt( )
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{
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/*
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* An rsa_alt context can only do private operations (decrypt, sign).
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* Test it against the public operations (encrypt, verify) of a
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* corresponding rsa context.
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*/
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rsa_context raw;
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pk_context rsa, alt;
|
|
pk_debug_item dbg_items[10];
|
|
unsigned char hash[50], sig[1000];
|
|
unsigned char msg[50], ciph[1000], test[1000];
|
|
size_t sig_len, ciph_len, test_len;
|
|
int ret = POLARSSL_ERR_PK_TYPE_MISMATCH;
|
|
|
|
rsa_init( &raw, RSA_PKCS_V15, POLARSSL_MD_NONE );
|
|
pk_init( &rsa ); pk_init( &alt );
|
|
|
|
memset( hash, 0x2a, sizeof hash );
|
|
memset( sig, 0, sizeof sig );
|
|
memset( msg, 0x2a, sizeof msg );
|
|
memset( ciph, 0, sizeof ciph );
|
|
memset( test, 0, sizeof test );
|
|
|
|
/* Initiliaze PK RSA context with random key */
|
|
TEST_ASSERT( pk_init_ctx( &rsa,
|
|
pk_info_from_type( POLARSSL_PK_RSA ) ) == 0 );
|
|
TEST_ASSERT( pk_genkey( &rsa ) == 0 );
|
|
|
|
/* Extract key to the raw rsa context */
|
|
TEST_ASSERT( rsa_copy( &raw, pk_rsa( rsa ) ) == 0 );
|
|
|
|
/* Initialize PK RSA_ALT context */
|
|
TEST_ASSERT( pk_init_ctx_rsa_alt( &alt, (void *) &raw,
|
|
rsa_decrypt_func, rsa_sign_func, rsa_key_len_func ) == 0 );
|
|
|
|
/* Test administrative functions */
|
|
TEST_ASSERT( pk_can_do( &alt, POLARSSL_PK_RSA ) );
|
|
TEST_ASSERT( pk_get_size( &alt ) == RSA_KEY_SIZE );
|
|
TEST_ASSERT( pk_get_len( &alt ) == RSA_KEY_LEN );
|
|
TEST_ASSERT( pk_get_type( &alt ) == POLARSSL_PK_RSA_ALT );
|
|
TEST_ASSERT( strcmp( pk_get_name( &alt ), "RSA-alt" ) == 0 );
|
|
|
|
/* Test signature */
|
|
TEST_ASSERT( pk_sign( &alt, POLARSSL_MD_NONE, hash, sizeof hash,
|
|
sig, &sig_len, rnd_std_rand, NULL ) == 0 );
|
|
#if defined(POLARSSL_HAVE_INT64)
|
|
TEST_ASSERT( pk_sign( &alt, POLARSSL_MD_NONE, hash, (size_t)-1,
|
|
NULL, NULL, rnd_std_rand, NULL ) ==
|
|
POLARSSL_ERR_PK_BAD_INPUT_DATA );
|
|
#endif /* POLARSSL_HAVE_INT64 */
|
|
TEST_ASSERT( sig_len == RSA_KEY_LEN );
|
|
TEST_ASSERT( pk_verify( &rsa, POLARSSL_MD_NONE,
|
|
hash, sizeof hash, sig, sig_len ) == 0 );
|
|
|
|
/* Test decrypt */
|
|
TEST_ASSERT( pk_encrypt( &rsa, msg, sizeof msg,
|
|
ciph, &ciph_len, sizeof ciph,
|
|
rnd_std_rand, NULL ) == 0 );
|
|
TEST_ASSERT( pk_decrypt( &alt, ciph, ciph_len,
|
|
test, &test_len, sizeof test,
|
|
rnd_std_rand, NULL ) == 0 );
|
|
TEST_ASSERT( test_len == sizeof msg );
|
|
TEST_ASSERT( memcmp( test, msg, test_len ) == 0 );
|
|
|
|
/* Test forbidden operations */
|
|
TEST_ASSERT( pk_encrypt( &alt, msg, sizeof msg,
|
|
ciph, &ciph_len, sizeof ciph,
|
|
rnd_std_rand, NULL ) == ret );
|
|
TEST_ASSERT( pk_verify( &alt, POLARSSL_MD_NONE,
|
|
hash, sizeof hash, sig, sig_len ) == ret );
|
|
TEST_ASSERT( pk_debug( &alt, dbg_items ) == ret );
|
|
|
|
exit:
|
|
rsa_free( &raw );
|
|
pk_free( &rsa ); pk_free( &alt );
|
|
}
|
|
/* END_CASE */
|