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tests/ccm: set 'len_encoding' from 'nonce_len'

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Configure len_encoding in test depending on nonce_len.
Prepare for tests with nonce_len != 13.
This commit is contained in:
Gaëtan Harter 2017-11-20 13:02:12 +01:00 committed by cladmi
parent b5c1855d7e
commit e74b0ff33d
1 changed files with 10 additions and 4 deletions
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14
tests/unittests/tests-crypto/tests-crypto-modes-ccm.c
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@ -17,6 +17,8 @@
#include "crypto/modes/ccm.h"
#include "tests-crypto.h"
static const size_t nonce_and_len_encoding_size = 15;
/* PACKET VECTOR #1 (RFC 3610 - Page 10) */
static uint8_t TEST_1_KEY[] = {
0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
@ -94,12 +96,14 @@ static void test_encrypt_op(uint8_t* key, uint8_t key_len,
cipher_t cipher;
int len, err, cmp;
uint8_t data[60];
size_t len_encoding = nonce_and_len_encoding_size - nonce_len;
err = cipher_init(&cipher, CIPHER_AES_128, key, key_len);
TEST_ASSERT_EQUAL_INT(1, err);
len = cipher_encrypt_ccm(&cipher, adata, adata_len, mac_length, 2, nonce,
nonce_len, plain, plain_len, data);
len = cipher_encrypt_ccm(&cipher, adata, adata_len,
mac_length, len_encoding,
nonce, nonce_len, plain, plain_len, data);
TEST_ASSERT_MESSAGE(len > 0, "Encryption failed");
TEST_ASSERT_EQUAL_INT(output_expected_len, len);
@ -119,12 +123,14 @@ static void test_decrypt_op(uint8_t* key, uint8_t key_len,
cipher_t cipher;
int len, err, cmp;
uint8_t data[60];
size_t len_encoding = nonce_and_len_encoding_size - nonce_len;
err = cipher_init(&cipher, CIPHER_AES_128, key, key_len);
TEST_ASSERT_EQUAL_INT(1, err);
len = cipher_decrypt_ccm(&cipher, adata, adata_len, mac_length, 2, nonce,
nonce_len, encrypted, encrypted_len, data);
len = cipher_decrypt_ccm(&cipher, adata, adata_len,
mac_length, len_encoding,
nonce, nonce_len, encrypted, encrypted_len, data);
TEST_ASSERT_MESSAGE(len > 0, "Decryption failed");
TEST_ASSERT_EQUAL_INT(output_expected_len, len);