C++ (Cpp) init_rsa_priv_f1_desc Examples

Example #1

File: caampkc.c Project: EMCAntimatter/linux

static int caam_rsa_dec_priv_f1(struct akcipher_request *req)
{
	struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
	struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
	struct device *jrdev = ctx->dev;
	struct rsa_edesc *edesc;
	int ret;

	/* Allocate extended descriptor */
	edesc = rsa_edesc_alloc(req, DESC_RSA_PRIV_F1_LEN);
	if (IS_ERR(edesc))
		return PTR_ERR(edesc);

	/* Set RSA Decrypt Protocol Data Block - Private Key Form #1 */
	ret = set_rsa_priv_f1_pdb(req, edesc);
	if (ret)
		goto init_fail;

	/* Initialize Job Descriptor */
	init_rsa_priv_f1_desc(edesc->hw_desc, &edesc->pdb.priv_f1);

	ret = caam_jr_enqueue(jrdev, edesc->hw_desc, rsa_priv_f1_done, req);
	if (!ret)
		return -EINPROGRESS;

	rsa_priv_f1_unmap(jrdev, edesc, req);

init_fail:
	rsa_io_unmap(jrdev, edesc, req);
	kfree(edesc);
	return ret;
}

Example #2

File: caampkc.c Project: AK101111/linux

static int caam_rsa_dec(struct akcipher_request *req)
{
	struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
	struct caam_rsa_ctx *ctx = akcipher_tfm_ctx(tfm);
	struct caam_rsa_key *key = &ctx->key;
	struct device *jrdev = ctx->dev;
	struct rsa_edesc *edesc;
	int ret;

	if (unlikely(!key->n || !key->d))
		return -EINVAL;

	if (req->dst_len < key->n_sz) {
		req->dst_len = key->n_sz;
		dev_err(jrdev, "Output buffer length less than parameter n\n");
		return -EOVERFLOW;
	}

	/* Allocate extended descriptor */
	edesc = rsa_edesc_alloc(req, DESC_RSA_PRIV_F1_LEN);
	if (IS_ERR(edesc))
		return PTR_ERR(edesc);

	/* Set RSA Decrypt Protocol Data Block - Private Key Form #1 */
	ret = set_rsa_priv_f1_pdb(req, edesc);
	if (ret)
		goto init_fail;

	/* Initialize Job Descriptor */
	init_rsa_priv_f1_desc(edesc->hw_desc, &edesc->pdb.priv_f1);

	ret = caam_jr_enqueue(jrdev, edesc->hw_desc, rsa_priv_f1_done, req);
	if (!ret)
		return -EINPROGRESS;

	rsa_priv_f1_unmap(jrdev, edesc, req);

init_fail:
	rsa_io_unmap(jrdev, edesc, req);
	kfree(edesc);
	return ret;
}