261 lines
7.3 KiB
Text
261 lines
7.3 KiB
Text
BEGIN_HEADER
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#include <polarssl/cipher.h>
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END_HEADER
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BEGIN_DEPENDENCIES
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depends_on:POLARSSL_CIPHER_C
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END_DEPENDENCIES
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BEGIN_CASE
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enc_dec_buf:cipher_id:cipher_string:key_len:length:
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size_t length = {length};
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unsigned char key[32];
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unsigned char iv[16];
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const cipher_info_t *cipher_info;
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cipher_context_t ctx_dec;
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cipher_context_t ctx_enc;
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unsigned char inbuf[64];
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unsigned char encbuf[64];
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unsigned char decbuf[64];
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size_t outlen = 0;
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size_t enclen = 0;
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memset( key, 0, 32 );
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memset( iv , 0, 16 );
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memset( &ctx_dec, 0, sizeof( ctx_dec ) );
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memset( &ctx_enc, 0, sizeof( ctx_enc ) );
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memset( inbuf, 5, 64 );
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memset( encbuf, 0, 64 );
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memset( decbuf, 0, 64 );
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/* Check and get info structures */
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cipher_info = cipher_info_from_type( {cipher_id} );
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TEST_ASSERT( NULL != cipher_info );
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TEST_ASSERT( cipher_info_from_string( "{cipher_string}" ) == cipher_info );
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/* Initialise enc and dec contexts */
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TEST_ASSERT( 0 == cipher_init_ctx( &ctx_dec, cipher_info ) );
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TEST_ASSERT( 0 == cipher_init_ctx( &ctx_enc, cipher_info ) );
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TEST_ASSERT( 0 == cipher_setkey( &ctx_dec, key, {key_len}, POLARSSL_DECRYPT ) );
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TEST_ASSERT( 0 == cipher_setkey( &ctx_enc, key, {key_len}, POLARSSL_ENCRYPT ) );
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TEST_ASSERT( 0 == cipher_reset( &ctx_dec, iv ) );
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TEST_ASSERT( 0 == cipher_reset( &ctx_enc, iv ) );
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if( POLARSSL_MODE_CBC == cipher_info->mode )
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{
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enclen = cipher_get_block_size( &ctx_enc )
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* ( 1 + length / cipher_get_block_size( &ctx_enc ) );
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}
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else
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{
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enclen = length;
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}
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/* encode length number of bytes from inbuf */
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TEST_ASSERT( 0 == cipher_update( &ctx_enc, inbuf, length, encbuf, &outlen ) );
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if( POLARSSL_MODE_CBC == cipher_info->mode )
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{
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TEST_ASSERT( outlen == enclen - cipher_get_block_size ( &ctx_enc ) );
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}
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else
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{
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TEST_ASSERT( outlen == enclen );
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}
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TEST_ASSERT( 0 == cipher_finish( &ctx_enc, encbuf + outlen, &outlen ) );
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if( POLARSSL_MODE_CBC == cipher_info->mode )
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{
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TEST_ASSERT( outlen == cipher_get_block_size ( &ctx_enc ) );
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}
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else
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{
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TEST_ASSERT( outlen == 0 );
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}
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/* decode the previously encoded string */
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TEST_ASSERT( 0 == cipher_update( &ctx_dec, encbuf, enclen, decbuf, &outlen ) );
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if( POLARSSL_MODE_CBC == cipher_info->mode )
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{
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TEST_ASSERT( enclen - cipher_get_block_size ( &ctx_enc ) == outlen );
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}
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else
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{
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TEST_ASSERT( enclen == outlen );
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}
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TEST_ASSERT( 0 == cipher_finish( &ctx_dec, decbuf + outlen, &outlen ) );
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if( POLARSSL_MODE_CBC == cipher_info->mode )
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{
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TEST_ASSERT( length - enclen + cipher_get_block_size ( &ctx_enc ) == outlen );
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}
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else
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{
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TEST_ASSERT( outlen == 0 );
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}
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TEST_ASSERT( 0 == memcmp(inbuf, decbuf, length) );
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TEST_ASSERT( 0 == cipher_free_ctx( &ctx_dec ) );
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TEST_ASSERT( 0 == cipher_free_ctx( &ctx_enc ) );
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END_CASE
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BEGIN_CASE
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dec_empty_buf:
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unsigned char key[32];
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unsigned char iv[16];
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cipher_context_t ctx_dec;
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const cipher_info_t *cipher_info;
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unsigned char encbuf[64];
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unsigned char decbuf[64];
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size_t outlen = 0;
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memset( key, 0, 32 );
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memset( iv , 0, 16 );
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memset( &ctx_dec, 0, sizeof( ctx_dec ) );
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memset( encbuf, 0, 64 );
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memset( decbuf, 0, 64 );
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/* Initialise enc and dec contexts */
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cipher_info = cipher_info_from_type( POLARSSL_CIPHER_AES_128_CBC );
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TEST_ASSERT( NULL != cipher_info);
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TEST_ASSERT( 0 == cipher_init_ctx( &ctx_dec, cipher_info ) );
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TEST_ASSERT( 0 == cipher_setkey( &ctx_dec, key, 128, POLARSSL_DECRYPT ) );
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TEST_ASSERT( 0 == cipher_reset( &ctx_dec, iv ) );
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/* decode 0-byte string */
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TEST_ASSERT( 0 == cipher_update( &ctx_dec, encbuf, 0, decbuf, &outlen ) );
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TEST_ASSERT( 0 == outlen );
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TEST_ASSERT( POLARSSL_ERR_CIPHER_FULL_BLOCK_EXPECTED == cipher_finish( &ctx_dec, decbuf + outlen, &outlen ) );
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TEST_ASSERT( 0 == outlen );
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TEST_ASSERT( 0 == cipher_free_ctx( &ctx_dec ) );
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END_CASE
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BEGIN_CASE
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enc_dec_buf_multipart:cipher_id:key_len:first_length:second_length:
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size_t first_length = {first_length};
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size_t second_length = {second_length};
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size_t length = first_length + second_length;
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unsigned char key[32];
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unsigned char iv[16];
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cipher_context_t ctx_dec;
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cipher_context_t ctx_enc;
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const cipher_info_t *cipher_info;
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unsigned char inbuf[64];
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unsigned char encbuf[64];
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unsigned char decbuf[64];
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size_t outlen = 0;
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size_t totaloutlen = 0;
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size_t enclen = 0;
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memset( key, 0, 32 );
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memset( iv , 0, 16 );
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memset( &ctx_dec, 0, sizeof( ctx_dec ) );
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memset( &ctx_enc, 0, sizeof( ctx_enc ) );
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memset( inbuf, 5, 64 );
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memset( encbuf, 0, 64 );
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memset( decbuf, 0, 64 );
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/* Initialise enc and dec contexts */
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cipher_info = cipher_info_from_type( {cipher_id} );
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TEST_ASSERT( NULL != cipher_info);
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TEST_ASSERT( 0 == cipher_init_ctx( &ctx_dec, cipher_info ) );
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TEST_ASSERT( 0 == cipher_init_ctx( &ctx_enc, cipher_info ) );
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TEST_ASSERT( 0 == cipher_setkey( &ctx_dec, key, {key_len}, POLARSSL_DECRYPT ) );
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TEST_ASSERT( 0 == cipher_setkey( &ctx_enc, key, {key_len}, POLARSSL_ENCRYPT ) );
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TEST_ASSERT( 0 == cipher_reset( &ctx_dec, iv ) );
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TEST_ASSERT( 0 == cipher_reset( &ctx_enc, iv ) );
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if( POLARSSL_MODE_CBC == cipher_info->mode )
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{
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enclen = cipher_get_block_size(&ctx_enc )
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* ( 1 + length / cipher_get_block_size( &ctx_enc ) );
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}
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else
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{
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enclen = length;
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}
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/* encode length number of bytes from inbuf */
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TEST_ASSERT( 0 == cipher_update( &ctx_enc, inbuf, first_length, encbuf, &outlen ) );
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totaloutlen = outlen;
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TEST_ASSERT( 0 == cipher_update( &ctx_enc, inbuf + first_length, second_length, encbuf + totaloutlen, &outlen ) );
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totaloutlen += outlen;
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if( POLARSSL_MODE_CBC == cipher_info->mode )
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{
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TEST_ASSERT( totaloutlen == enclen - cipher_get_block_size ( &ctx_enc ) );
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}
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else
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{
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TEST_ASSERT( totaloutlen == enclen );
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}
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TEST_ASSERT( 0 == cipher_finish( &ctx_enc, encbuf + totaloutlen, &outlen ) );
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totaloutlen += outlen;
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if( POLARSSL_MODE_CBC == cipher_info->mode )
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{
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TEST_ASSERT( outlen == cipher_get_block_size ( &ctx_enc ) );
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}
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else
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{
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TEST_ASSERT( outlen == 0 );
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}
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/* decode the previously encoded string */
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TEST_ASSERT( 0 == cipher_update( &ctx_dec, encbuf, enclen, decbuf, &outlen ) );
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if( POLARSSL_MODE_CBC == cipher_info->mode )
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{
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TEST_ASSERT( enclen - cipher_get_block_size ( &ctx_enc ) == outlen );
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}
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else
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{
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TEST_ASSERT( enclen == outlen );
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}
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TEST_ASSERT( 0 == cipher_finish( &ctx_dec, decbuf + outlen, &outlen ) );
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if( POLARSSL_MODE_CBC == cipher_info->mode )
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{
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TEST_ASSERT( length - enclen + cipher_get_block_size ( &ctx_enc ) == outlen );
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}
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else
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{
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TEST_ASSERT( outlen == 0 );
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}
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TEST_ASSERT( 0 == memcmp(inbuf, decbuf, length) );
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TEST_ASSERT( 0 == cipher_free_ctx( &ctx_dec ) );
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TEST_ASSERT( 0 == cipher_free_ctx( &ctx_enc ) );
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END_CASE
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BEGIN_CASE
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cipher_selftest:
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{
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TEST_ASSERT( cipher_self_test( 0 ) == 0 );
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}
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END_CASE
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