Esempi in C++ (Cpp) per crypt_s390_kmc

Esempio n. 1

File: aes_s390.c Progetto: CenturyGlorion/linux

static int cbc_aes_crypt(struct blkcipher_desc *desc, long func,
			 struct blkcipher_walk *walk)
{
	struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
	int ret = blkcipher_walk_virt(desc, walk);
	unsigned int nbytes = walk->nbytes;
	struct {
		u8 iv[AES_BLOCK_SIZE];
		u8 key[AES_MAX_KEY_SIZE];
	} param;

	if (!nbytes)
		goto out;

	memcpy(param.iv, walk->iv, AES_BLOCK_SIZE);
	memcpy(param.key, sctx->key, sctx->key_len);
	do {
		/* only use complete blocks */
		unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1);
		u8 *out = walk->dst.virt.addr;
		u8 *in = walk->src.virt.addr;

		ret = crypt_s390_kmc(func, &param, out, in, n);
		if (ret < 0 || ret != n)
			return -EIO;

		nbytes &= AES_BLOCK_SIZE - 1;
		ret = blkcipher_walk_done(desc, walk, nbytes);
	} while ((nbytes = walk->nbytes));
	memcpy(walk->iv, param.iv, AES_BLOCK_SIZE);

out:
	return ret;
}

Esempio n. 2

File: aes_s390.c Progetto: 3sOx/asuswrt-merlin

static int cbc_aes_crypt(struct blkcipher_desc *desc, long func, void *param,
			 struct blkcipher_walk *walk)
{
	int ret = blkcipher_walk_virt(desc, walk);
	unsigned int nbytes = walk->nbytes;

	if (!nbytes)
		goto out;

	memcpy(param, walk->iv, AES_BLOCK_SIZE);
	do {
		/* only use complete blocks */
		unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1);
		u8 *out = walk->dst.virt.addr;
		u8 *in = walk->src.virt.addr;

		ret = crypt_s390_kmc(func, param, out, in, n);
		BUG_ON((ret < 0) || (ret != n));

		nbytes &= AES_BLOCK_SIZE - 1;
		ret = blkcipher_walk_done(desc, walk, nbytes);
	} while ((nbytes = walk->nbytes));
	memcpy(walk->iv, param, AES_BLOCK_SIZE);

out:
	return ret;
}

Esempio n. 3

File: des_s390.c Progetto: FatSunHYS/OSCourseDesign

static unsigned int des_decrypt_cbc(const struct cipher_desc *desc, u8 *out,
				    const u8 *in, unsigned int nbytes)
{
	struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm);
	int ret;

	/* only use complete blocks */
	nbytes &= ~(DES_BLOCK_SIZE - 1);

	memcpy(&sctx->iv, desc->info, DES_BLOCK_SIZE);
	ret = crypt_s390_kmc(KMC_DEA_DECRYPT, &sctx->iv, out, in, nbytes);
	BUG_ON((ret < 0) || (ret != nbytes));

	return nbytes;
}

Esempio n. 4

File: crypt_s390_query.c Progetto: FatSunHYS/OSCourseDesign

static int init(void)
{
	struct crypt_s390_query_status status = {
		.high = 0,
		.low = 0
	};

	printk(KERN_INFO "crypt_s390: querying available crypto functions\n");
	crypt_s390_km(KM_QUERY, &status, NULL, NULL, 0);
	printk(KERN_INFO "KM:\t%016llx %016llx\n",
			(unsigned long long) status.high,
			(unsigned long long) status.low);
	status.high = status.low = 0;
	crypt_s390_kmc(KMC_QUERY, &status, NULL, NULL, 0);
	printk(KERN_INFO "KMC:\t%016llx %016llx\n",
			(unsigned long long) status.high,
			(unsigned long long) status.low);
	status.high = status.low = 0;
	crypt_s390_kimd(KIMD_QUERY, &status, NULL, 0);
	printk(KERN_INFO "KIMD:\t%016llx %016llx\n",
			(unsigned long long) status.high,
			(unsigned long long) status.low);
	status.high = status.low = 0;
	crypt_s390_klmd(KLMD_QUERY, &status, NULL, 0);
	printk(KERN_INFO "KLMD:\t%016llx %016llx\n",
			(unsigned long long) status.high,
			(unsigned long long) status.low);
	status.high = status.low = 0;
	crypt_s390_kmac(KMAC_QUERY, &status, NULL, 0);
	printk(KERN_INFO "KMAC:\t%016llx %016llx\n",
			(unsigned long long) status.high,
			(unsigned long long) status.low);

	query_available_functions();
	return -ECANCELED;
}

static void __exit cleanup(void)
{
}

module_init(init);
module_exit(cleanup);

MODULE_LICENSE("GPL");