Esempi in C++ (Cpp) per aes_p8_set_decrypt_key

Esempio n. 1

File: aes_cbc.c Progetto: 020gzh/linux

static int p8_aes_cbc_setkey(struct crypto_tfm *tfm, const u8 *key,
			     unsigned int keylen)
{
	int ret;
	struct p8_aes_cbc_ctx *ctx = crypto_tfm_ctx(tfm);

	preempt_disable();
	pagefault_disable();
	enable_kernel_vsx();
	ret = aes_p8_set_encrypt_key(key, keylen * 8, &ctx->enc_key);
	ret += aes_p8_set_decrypt_key(key, keylen * 8, &ctx->dec_key);
	disable_kernel_vsx();
	pagefault_enable();
	preempt_enable();

	ret += crypto_blkcipher_setkey(ctx->fallback, key, keylen);
	return ret;
}

Esempio n. 2

File: aes_xts.c Progetto: 01org/thunderbolt-software-kernel-tree

static int p8_aes_xts_setkey(struct crypto_tfm *tfm, const u8 *key,
			     unsigned int keylen)
{
	int ret;
	struct p8_aes_xts_ctx *ctx = crypto_tfm_ctx(tfm);

	ret = xts_check_key(tfm, key, keylen);
	if (ret)
		return ret;

	preempt_disable();
	pagefault_disable();
	enable_kernel_vsx();
	ret = aes_p8_set_encrypt_key(key + keylen/2, (keylen/2) * 8, &ctx->tweak_key);
	ret += aes_p8_set_encrypt_key(key, (keylen/2) * 8, &ctx->enc_key);
	ret += aes_p8_set_decrypt_key(key, (keylen/2) * 8, &ctx->dec_key);
	disable_kernel_vsx();
	pagefault_enable();
	preempt_enable();

	ret += crypto_skcipher_setkey(ctx->fallback, key, keylen);
	return ret;
}