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Split tag handling out of cipher_finish()

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This commit is contained in:
Manuel Pégourié-Gonnard
2013-09-03 16:19:22 +02:00
parent 2adc40c346
commit aa9ffc5e98
6 changed files with 88 additions and 54 deletions
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20
tests/suites/test_suite_cipher.function
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@ -76,10 +76,11 @@ void enc_dec_buf( int cipher_id, char *cipher_string, int key_len,
total_len < length &&
total_len + cipher_get_block_size( &ctx_enc ) > length ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_enc, encbuf + outlen, &outlen,
tag, 16 ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_enc, encbuf + outlen, &outlen ) );
total_len += outlen;
TEST_ASSERT( 0 == cipher_write_tag( &ctx_enc, tag, 16 ) );
TEST_ASSERT( total_len == length ||
( total_len % cipher_get_block_size( &ctx_enc ) == 0 &&
total_len > length &&
@ -94,10 +95,11 @@ void enc_dec_buf( int cipher_id, char *cipher_string, int key_len,
total_len < length &&
total_len + cipher_get_block_size( &ctx_dec ) >= length ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_dec, decbuf + outlen, &outlen,
tag, 16 ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_dec, decbuf + outlen, &outlen ) );
total_len += outlen;
TEST_ASSERT( 0 == cipher_check_tag( &ctx_dec, tag, 16 ) );
TEST_ASSERT( total_len == length );
TEST_ASSERT( 0 == memcmp(inbuf, decbuf, length) );
@ -145,7 +147,7 @@ void enc_fail( int cipher_id, int pad_mode, int key_len,
/* encode length number of bytes from inbuf */
TEST_ASSERT( 0 == cipher_update( &ctx, inbuf, length, encbuf, &outlen ) );
TEST_ASSERT( ret == cipher_finish( &ctx, encbuf + outlen, &outlen, NULL, 0 ) );
TEST_ASSERT( ret == cipher_finish( &ctx, encbuf + outlen, &outlen ) );
/* done */
TEST_ASSERT( 0 == cipher_free_ctx( &ctx ) );
@ -192,7 +194,7 @@ void dec_empty_buf()
TEST_ASSERT( 0 == cipher_update( &ctx_dec, encbuf, 0, decbuf, &outlen ) );
TEST_ASSERT( 0 == outlen );
TEST_ASSERT( POLARSSL_ERR_CIPHER_FULL_BLOCK_EXPECTED == cipher_finish(
&ctx_dec, decbuf + outlen, &outlen, NULL, 0 ) );
&ctx_dec, decbuf + outlen, &outlen ) );
TEST_ASSERT( 0 == outlen );
TEST_ASSERT( 0 == cipher_free_ctx( &ctx_dec ) );
@ -259,8 +261,7 @@ void enc_dec_buf_multipart( int cipher_id, int key_len, int first_length_val,
totaloutlen < length &&
totaloutlen + cipher_get_block_size( &ctx_enc ) > length ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_enc, encbuf + totaloutlen, &outlen,
NULL, 0 ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_enc, encbuf + totaloutlen, &outlen ) );
totaloutlen += outlen;
TEST_ASSERT( totaloutlen == length ||
( totaloutlen % cipher_get_block_size( &ctx_enc ) == 0 &&
@ -276,8 +277,7 @@ void enc_dec_buf_multipart( int cipher_id, int key_len, int first_length_val,
totaloutlen < length &&
totaloutlen + cipher_get_block_size( &ctx_dec ) >= length ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_dec, decbuf + outlen, &outlen,
NULL, 0 ) );
TEST_ASSERT( 0 == cipher_finish( &ctx_dec, decbuf + outlen, &outlen ) );
totaloutlen += outlen;
TEST_ASSERT( totaloutlen == length );