C++ (Cpp) skcipher_geniv_alloc Exemples

Exemple #1

Fichier : eseqiv.c Projet : Medvedroid/OT_903D-kernel-2.6.35.7

static struct crypto_instance *eseqiv_alloc(struct rtattr **tb)
{
	struct crypto_instance *inst;
	int err;

	err = crypto_get_default_rng();
	if (err)
		return ERR_PTR(err);

	inst = skcipher_geniv_alloc(&eseqiv_tmpl, tb, 0, 0);
	if (IS_ERR(inst))
		goto put_rng;

	err = -EINVAL;
	if (inst->alg.cra_ablkcipher.ivsize != inst->alg.cra_blocksize)
		goto free_inst;

	inst->alg.cra_ablkcipher.givencrypt = eseqiv_givencrypt_first;

	inst->alg.cra_init = eseqiv_init;
	inst->alg.cra_exit = skcipher_geniv_exit;

	inst->alg.cra_ctxsize = sizeof(struct eseqiv_ctx);
	inst->alg.cra_ctxsize += inst->alg.cra_ablkcipher.ivsize;

out:
	return inst;

free_inst:
	skcipher_geniv_free(inst);
	inst = ERR_PTR(err);
put_rng:
	crypto_put_default_rng();
	goto out;
}

Exemple #2

Fichier : seqiv.c Projet : 0x000000FF/edison-linux

static struct crypto_instance *seqiv_ablkcipher_alloc(struct rtattr **tb)
{
	struct crypto_instance *inst;

	inst = skcipher_geniv_alloc(&seqiv_tmpl, tb, 0, 0);

	if (IS_ERR(inst))
		goto out;

	if (inst->alg.cra_ablkcipher.ivsize < sizeof(u64)) {
		skcipher_geniv_free(inst);
		inst = ERR_PTR(-EINVAL);
		goto out;
	}

	inst->alg.cra_ablkcipher.givencrypt = seqiv_givencrypt_first;

	inst->alg.cra_init = seqiv_init;
	inst->alg.cra_exit = skcipher_geniv_exit;

	inst->alg.cra_ctxsize += inst->alg.cra_ablkcipher.ivsize;

out:
	return inst;
}

Exemple #3

Fichier : chainiv.c Projet : 10x-Amin/x10_Th_kernel

static struct crypto_instance *chainiv_alloc(struct rtattr **tb)
{
	struct crypto_attr_type *algt;
	struct crypto_instance *inst;
	int err;

	algt = crypto_get_attr_type(tb);
	err = PTR_ERR(algt);
	if (IS_ERR(algt))
		return ERR_PTR(err);

	err = crypto_get_default_rng();
	if (err)
		return ERR_PTR(err);

	inst = skcipher_geniv_alloc(&chainiv_tmpl, tb, 0, 0);
	if (IS_ERR(inst))
		goto put_rng;

	inst->alg.cra_ablkcipher.givencrypt = chainiv_givencrypt_first;

	inst->alg.cra_init = chainiv_init;
	inst->alg.cra_exit = skcipher_geniv_exit;

	inst->alg.cra_ctxsize = sizeof(struct chainiv_ctx);

	if (!crypto_requires_sync(algt->type, algt->mask)) {
		inst->alg.cra_flags |= CRYPTO_ALG_ASYNC;

		inst->alg.cra_ablkcipher.givencrypt =
			async_chainiv_givencrypt_first;

		inst->alg.cra_init = async_chainiv_init;
		inst->alg.cra_exit = async_chainiv_exit;

		inst->alg.cra_ctxsize = sizeof(struct async_chainiv_ctx);
	}

	inst->alg.cra_ctxsize += inst->alg.cra_ablkcipher.ivsize;

out:
	return inst;

put_rng:
	crypto_put_default_rng();
	goto out;
}

Exemple #4

Fichier : seqiv.c Projet : seyko2/openvz_rhel6_kernel_mirror

static struct crypto_instance *seqiv_ablkcipher_alloc(struct rtattr **tb)
{
	struct crypto_instance *inst;

	inst = skcipher_geniv_alloc(&seqiv_tmpl, tb, 0, 0);

	if (IS_ERR(inst))
		goto out;

	inst->alg.cra_ablkcipher.givencrypt = seqiv_givencrypt;

	inst->alg.cra_init = seqiv_init;
	inst->alg.cra_exit = skcipher_geniv_exit;

	inst->alg.cra_ctxsize += inst->alg.cra_ablkcipher.ivsize;

out:
	return inst;
}