C++ (Cpp) free_cbc Examples

Example #1

File: block_chipher.cpp Project: wyrover/miranda-ng

int SelfTestGost14Cbc()
{
	const size_t svLen = sizeof(kSeltTestGost14CbcSV) / sizeof(kSeltTestGost14CbcSV[0]);

	unsigned char outText[textLen14];
	unsigned char outTextDec[textLen14];
	unsigned char ctx[kCbc14ContextLen];


	if (init_cbc_14_impl(kSeltTestGost14MasterKeyData, ctx, kSeltTestGost14CbcSV, svLen))
		return -1;

	if (encrypt_cbc(ctx, kSeltTestGost14PlainText, outText, textLen14))
		return -1;

	free_cbc(ctx);


	if (init_cbc_14_impl(kSeltTestGost14MasterKeyData, ctx, kSeltTestGost14CbcSV, svLen))
		return -1;

	if (decrypt_cbc(ctx, outText, outTextDec, textLen14))
		return -1;

	free_cbc(ctx);

	if (memcmp(outTextDec, kSeltTestGost14PlainText, textLen14))
		return -1;

	return memcmp(outText, kSeltTestGost14CbcEncText, textLen14);
}

Example #2

File: encrypt.cpp Project: wyrover/miranda-ng

bool CCrypt::setKey(const BYTE *pKey, size_t cbKeyLen)
{
	// full external key. decode & check password
	if (cbKeyLen != sizeof(ExternalKey))
		return false;
		
	BYTE tmpHash[32];
	slow_hash(m_password, m_password.GetLength(), tmpHash);


	BYTE ctx[kCbc14ContextLen];
	init_cbc_14(tmpHash, ctx, iv0, _countof(iv0));

	ExternalKey tmp = { 0 };

	decrypt_cbc(ctx, (BYTE*)pKey, (BYTE*)&tmp, sizeof(tmp));

	free_cbc(ctx);

	if (tmp.m_crc32 != crc32(0xAbbaDead, (LPCBYTE)m_password.GetString(), m_password.GetLength()))
		return false;

	memcpy(m_key, &tmp.m_key, KEY_LENGTH);
	memcpy(m_iv, &tmp.m_iv, KEY_LENGTH);
	init_cbc_14(m_key, m_ctx, m_iv, KEY_LENGTH);

	return m_valid = true;
}

Example #3

File: encrypt.cpp Project: wyrover/miranda-ng

bool CCrypt::getKey(BYTE *pKey, size_t cbKeyLen)
{
	if (!m_valid || cbKeyLen < sizeof(ExternalKey))
		return false;

	ExternalKey tmp = { 0 };
	memcpy(&tmp.m_key, m_key, KEY_LENGTH);
	memcpy(&tmp.m_iv, m_iv, KEY_LENGTH);
	tmp.m_crc32 = crc32(0xAbbaDead, (LPCBYTE)m_password.GetString(), m_password.GetLength());
	getRandomBytes(tmp.slack, sizeof(tmp.slack));

	BYTE tmpHash[32];
	slow_hash(m_password, m_password.GetLength(), tmpHash);

	BYTE ctx[kCbc14ContextLen];
	init_cbc_14(tmpHash, ctx, iv0, _countof(iv0));
	bool val = !encrypt_cbc(ctx, (BYTE*)&tmp, pKey, cbKeyLen);
	free_cbc(ctx);

	return val;
}

Example #4

File: e_afalg.c Project: EiffelSoftware/EiffelStudio

static int afalg_destroy(ENGINE *e)
{
    ERR_unload_AFALG_strings();
    free_cbc();
    return 1;
}