C++ crypto_ablkcipher_ctx函数代码示例

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本文整理汇总了C++中crypto_ablkcipher_ctx函数的典型用法代码示例。如果您正苦于以下问题：C++ crypto_ablkcipher_ctx函数的具体用法？C++ crypto_ablkcipher_ctx怎么用？C++ crypto_ablkcipher_ctx使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了crypto_ablkcipher_ctx函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: async_chainiv_postpone_request

static int async_chainiv_postpone_request(struct skcipher_givcrypt_request *req)
{
	struct crypto_ablkcipher *geniv = skcipher_givcrypt_reqtfm(req);
	struct async_chainiv_ctx *ctx = crypto_ablkcipher_ctx(geniv);
	int err;

	spin_lock_bh(&ctx->lock);
	err = skcipher_enqueue_givcrypt(&ctx->queue, req);
	spin_unlock_bh(&ctx->lock);

	if (test_and_set_bit(CHAINIV_STATE_INUSE, &ctx->state))
		return err;

	ctx->err = err;
	return async_chainiv_schedule_work(ctx);
}

开发者ID:LouZiffer，项目名称:m900_kernel_cupcake-SDX，代码行数:16，代码来源:chainiv.c

示例2: s5p_aes_crypt

static int s5p_aes_crypt(struct ablkcipher_request *req, unsigned long mode)
{
    struct crypto_ablkcipher   *tfm    = crypto_ablkcipher_reqtfm(req);
    struct s5p_aes_ctx         *ctx    = crypto_ablkcipher_ctx(tfm);
    struct s5p_aes_reqctx      *reqctx = ablkcipher_request_ctx(req);
    struct s5p_aes_dev         *dev    = ctx->dev;

    if (!IS_ALIGNED(req->nbytes, AES_BLOCK_SIZE)) {
        pr_err("request size is not exact amount of AES blocks\n");
        return -EINVAL;
    }

    reqctx->mode = mode;

    return s5p_aes_handle_req(dev, req);
}

开发者ID:chl4651，项目名称:HEAPO，代码行数:16，代码来源:s5p-sss.c

示例3: eseqiv_givencrypt_first

static int eseqiv_givencrypt_first(struct skcipher_givcrypt_request *req)
{
	struct crypto_ablkcipher *geniv = skcipher_givcrypt_reqtfm(req);
	struct eseqiv_ctx *ctx = crypto_ablkcipher_ctx(geniv);

	spin_lock_bh(&ctx->lock);
	if (crypto_ablkcipher_crt(geniv)->givencrypt != eseqiv_givencrypt_first)
		goto unlock;

	crypto_ablkcipher_crt(geniv)->givencrypt = eseqiv_givencrypt;
	get_random_bytes(ctx->salt, crypto_ablkcipher_ivsize(geniv));

unlock:
	spin_unlock_bh(&ctx->lock);

	return eseqiv_givencrypt(req);
}

开发者ID:LouZiffer，项目名称:m900_kernel_cupcake-SDX，代码行数:17，代码来源:eseqiv.c

示例4: sahara_aes_cbc_decrypt

static int sahara_aes_cbc_decrypt(struct ablkcipher_request *req)
{
	struct crypto_tfm *tfm =
		crypto_ablkcipher_tfm(crypto_ablkcipher_reqtfm(req));
	struct sahara_ctx *ctx = crypto_ablkcipher_ctx(
		crypto_ablkcipher_reqtfm(req));
	int err;

	if (unlikely(ctx->keylen != AES_KEYSIZE_128)) {
		ablkcipher_request_set_tfm(req, ctx->fallback);
		err = crypto_ablkcipher_decrypt(req);
		ablkcipher_request_set_tfm(req, __crypto_ablkcipher_cast(tfm));
		return err;
	}

	return sahara_aes_crypt(req, FLAGS_CBC);
}

开发者ID:AdaLovelance，项目名称:lxcGrsecKernels，代码行数:17，代码来源:sahara.c

示例5: dcp_aes_cbc_encrypt

static int dcp_aes_cbc_encrypt(struct ablkcipher_request *req)
{
	struct crypto_tfm *tfm =
		crypto_ablkcipher_tfm(crypto_ablkcipher_reqtfm(req));
	struct dcp_op *ctx = crypto_ablkcipher_ctx(
		crypto_ablkcipher_reqtfm(req));

	if (unlikely(ctx->keylen != AES_KEYSIZE_128)) {
		int err = 0;
		ablkcipher_request_set_tfm(req, ctx->fallback);
		err = crypto_ablkcipher_encrypt(req);
		ablkcipher_request_set_tfm(req, __crypto_ablkcipher_cast(tfm));
		return err;
	}

	return dcp_aes_cbc_crypt(req, DCP_AES | DCP_ENC | DCP_CBC);
}

开发者ID:BozkurTR，项目名称:kernel，代码行数:17，代码来源:dcp.c

示例6: ablk_encrypt

int ablk_encrypt(struct ablkcipher_request *req)
{
	struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
	struct async_helper_ctx *ctx = crypto_ablkcipher_ctx(tfm);

	if (!may_use_simd()) {
		struct ablkcipher_request *cryptd_req =
			ablkcipher_request_ctx(req);

		memcpy(cryptd_req, req, sizeof(*req));
		ablkcipher_request_set_tfm(cryptd_req, &ctx->cryptd_tfm->base);

		return crypto_ablkcipher_encrypt(cryptd_req);
	} else {
		return __ablk_encrypt(req);
	}
}

开发者ID:18712886438，项目名称:android_kernel_motorola_quark，代码行数:17，代码来源:ablk_helper.c

示例7: seqiv_givencrypt

static int seqiv_givencrypt(struct skcipher_givcrypt_request *req)
{
	struct crypto_ablkcipher *geniv = skcipher_givcrypt_reqtfm(req);
	struct seqiv_ctx *ctx = crypto_ablkcipher_ctx(geniv);
	struct ablkcipher_request *subreq = skcipher_givcrypt_reqctx(req);
	crypto_completion_t compl;
	void *data;
	u8 *info;
	unsigned int ivsize;
	int err;

	ablkcipher_request_set_tfm(subreq, skcipher_geniv_cipher(geniv));

	compl = req->creq.base.complete;
	data = req->creq.base.data;
	info = req->creq.info;

	ivsize = crypto_ablkcipher_ivsize(geniv);

	if (unlikely(!IS_ALIGNED((unsigned long)info,
				 crypto_ablkcipher_alignmask(geniv) + 1))) {
		info = kmalloc(ivsize, req->creq.base.flags &
				       CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL:
								  GFP_ATOMIC);
		if (!info)
			return -ENOMEM;

		compl = seqiv_complete;
		data = req;
	}

	ablkcipher_request_set_callback(subreq, req->creq.base.flags, compl,
					data);
	ablkcipher_request_set_crypt(subreq, req->creq.src, req->creq.dst,
				     req->creq.nbytes, info);

	seqiv_geniv(ctx, info, req->seq, ivsize);
	memcpy(req->giv, info, ivsize);

	err = crypto_ablkcipher_encrypt(subreq);
	if (unlikely(info != req->creq.info))
		seqiv_complete2(req, err);
	return err;
}

开发者ID:0x000000FF，项目名称:edison-linux，代码行数:44，代码来源:seqiv.c

示例8: async_chainiv_givencrypt_tail

static int async_chainiv_givencrypt_tail(struct skcipher_givcrypt_request *req)
{
	struct crypto_ablkcipher *geniv = skcipher_givcrypt_reqtfm(req);
	struct async_chainiv_ctx *ctx = crypto_ablkcipher_ctx(geniv);
	struct ablkcipher_request *subreq = skcipher_givcrypt_reqctx(req);
	unsigned int ivsize = crypto_ablkcipher_ivsize(geniv);

	memcpy(req->giv, ctx->iv, ivsize);
	memcpy(subreq->info, ctx->iv, ivsize);

	ctx->err = crypto_ablkcipher_encrypt(subreq);
	if (ctx->err)
		goto out;

	memcpy(ctx->iv, subreq->info, ivsize);

out:
	return async_chainiv_schedule_work(ctx);
}

开发者ID:10x-Amin，项目名称:x10_Th_kernel，代码行数:19，代码来源:chainiv.c

示例9: aes_setkey

static int aes_setkey(struct crypto_ablkcipher *tfm, const u8 *in_key,
                      unsigned int keylen)
{
    struct aes_ctx *ctx = crypto_ablkcipher_ctx(tfm); 
    unsigned long *flags = (unsigned long *) &tfm->base.crt_flags;

    DPRINTF(2, "set_key in %s\n", __FILE__);

    if (keylen != 16 && keylen != 24 && keylen != 32) {
        *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
        return -EINVAL;
    }

    ctx->key_length = keylen;
    DPRINTF(0, "ctx @%p, keylen %d, ctx->key_length %d\n", ctx, keylen, ctx->key_length);
    memcpy ((u8 *) (ctx->buf), in_key, keylen);

    return 0;

}

开发者ID:020gzh，项目名称:openwrt-mirror，代码行数:20，代码来源:ifxmips_async_aes.c

示例10: virtio_crypto_ablkcipher_encrypt

static int virtio_crypto_ablkcipher_encrypt(struct ablkcipher_request *req)
{
	struct crypto_ablkcipher *atfm = crypto_ablkcipher_reqtfm(req);
	struct virtio_crypto_ablkcipher_ctx *ctx = crypto_ablkcipher_ctx(atfm);
	struct virtio_crypto_request *vc_req = ablkcipher_request_ctx(req);
	struct virtio_crypto *vcrypto = ctx->vcrypto;
	int ret;
	/* Use the first data virtqueue as default */
	struct data_queue *data_vq = &vcrypto->data_vq[0];

	vc_req->ablkcipher_ctx = ctx;
	vc_req->ablkcipher_req = req;
	ret = __virtio_crypto_ablkcipher_do_req(vc_req, req, data_vq, 1);
	if (ret < 0) {
		pr_err("virtio_crypto: Encryption failed!\n");
		return ret;
	}

	return -EINPROGRESS;
}

开发者ID:dznm，项目名称:linux，代码行数:20，代码来源:virtio_crypto_algs.c

示例11: rfc3686_aes_encrypt

static int rfc3686_aes_encrypt(struct ablkcipher_request *areq)
{
    struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq);
    struct aes_ctx *ctx = crypto_ablkcipher_ctx(cipher);
    int ret;
    u8 *info = areq->info;
    u8 rfc3686_iv[16];

    memcpy(rfc3686_iv, ctx->nonce, CTR_RFC3686_NONCE_SIZE);
    memcpy(rfc3686_iv + CTR_RFC3686_NONCE_SIZE, info, CTR_RFC3686_IV_SIZE);

    /* initialize counter portion of counter block */
    *(__be32 *)(rfc3686_iv + CTR_RFC3686_NONCE_SIZE + CTR_RFC3686_IV_SIZE) =
        cpu_to_be32(1);

    areq->info = rfc3686_iv;
    ret = lq_aes_queue_mgr(ctx, areq, areq->info, CRYPTO_DIR_ENCRYPT, 4);
    areq->info = info;
    return ret;
}

开发者ID:020gzh，项目名称:openwrt-mirror，代码行数:20，代码来源:ifxmips_async_aes.c

示例12: dcp_queue_task

static void dcp_queue_task(unsigned long data)
{
	struct dcp_dev *dev = (struct dcp_dev *) data;
	struct crypto_async_request *async_req, *backlog;
	struct crypto_ablkcipher *tfm;
	struct dcp_op *ctx;
	struct dcp_dev_req_ctx *rctx;
	struct ablkcipher_request *req;
	unsigned long flags;

	spin_lock_irqsave(&dev->queue_lock, flags);

	backlog = crypto_get_backlog(&dev->queue);
	async_req = crypto_dequeue_request(&dev->queue);

	spin_unlock_irqrestore(&dev->queue_lock, flags);

	if (!async_req)
		goto ret_nothing_done;

	if (backlog)
		backlog->complete(backlog, -EINPROGRESS);

	req = ablkcipher_request_cast(async_req);
	tfm = crypto_ablkcipher_reqtfm(req);
	rctx = ablkcipher_request_ctx(req);
	ctx = crypto_ablkcipher_ctx(tfm);

	if (!req->src || !req->dst)
		goto ret_nothing_done;

	ctx->flags |= rctx->mode;
	ctx->req = req;

	dcp_crypt(dev, ctx);

	return;

ret_nothing_done:
	clear_bit(DCP_FLAG_BUSY, &dev->flags);
}

开发者ID:BozkurTR，项目名称:kernel，代码行数:41，代码来源:dcp.c

示例13: async_chainiv_givencrypt_first

static int async_chainiv_givencrypt_first(struct skcipher_givcrypt_request *req)
{
	struct crypto_ablkcipher *geniv = skcipher_givcrypt_reqtfm(req);
	struct async_chainiv_ctx *ctx = crypto_ablkcipher_ctx(geniv);

	if (test_and_set_bit(CHAINIV_STATE_INUSE, &ctx->state))
		goto out;

	if (crypto_ablkcipher_crt(geniv)->givencrypt !=
	    async_chainiv_givencrypt_first)
		goto unlock;

	crypto_ablkcipher_crt(geniv)->givencrypt = async_chainiv_givencrypt;
	get_random_bytes(ctx->iv, crypto_ablkcipher_ivsize(geniv));

unlock:
	clear_bit(CHAINIV_STATE_INUSE, &ctx->state);

out:
	return async_chainiv_givencrypt(req);
}

开发者ID:LouZiffer，项目名称:m900_kernel_cupcake-SDX，代码行数:21，代码来源:chainiv.c

示例14: seqiv_givencrypt_first

static int seqiv_givencrypt_first(struct skcipher_givcrypt_request *req)
{
	struct crypto_ablkcipher *geniv = skcipher_givcrypt_reqtfm(req);
	struct seqiv_ctx *ctx = crypto_ablkcipher_ctx(geniv);
	int err = 0;

	spin_lock_bh(&ctx->lock);
	if (crypto_ablkcipher_crt(geniv)->givencrypt != seqiv_givencrypt_first)
		goto unlock;

	crypto_ablkcipher_crt(geniv)->givencrypt = seqiv_givencrypt;
	err = crypto_rng_get_bytes(crypto_default_rng, ctx->salt,
				   crypto_ablkcipher_ivsize(geniv));

unlock:
	spin_unlock_bh(&ctx->lock);

	if (err)
		return err;

	return seqiv_givencrypt(req);
}

开发者ID:0x000000FF，项目名称:edison-linux，代码行数:22，代码来源:seqiv.c

示例15: eseqiv_init

static int eseqiv_init(struct crypto_tfm *tfm)
{
	struct crypto_ablkcipher *geniv = __crypto_ablkcipher_cast(tfm);
	struct eseqiv_ctx *ctx = crypto_ablkcipher_ctx(geniv);
	unsigned long alignmask;
	unsigned int reqsize;

#ifndef CONFIG_CRYPTO_DRBG
	spin_lock_init(&ctx->lock);
#endif

	alignmask = crypto_tfm_ctx_alignment() - 1;
	reqsize = sizeof(struct eseqiv_request_ctx);

	if (alignmask & reqsize) {
		alignmask &= reqsize;
		alignmask--;
	}

	alignmask = ~alignmask;
	alignmask &= crypto_ablkcipher_alignmask(geniv);

	reqsize += alignmask;
	reqsize += crypto_ablkcipher_ivsize(geniv);
	reqsize = ALIGN(reqsize, crypto_tfm_ctx_alignment());

	ctx->reqoff = reqsize - sizeof(struct eseqiv_request_ctx);

	tfm->crt_ablkcipher.reqsize = reqsize +
				      sizeof(struct ablkcipher_request);
#ifdef CONFIG_CRYPTO_DRBG
	crypto_rng_get_bytes(crypto_default_rng, ctx->salt,
						crypto_ablkcipher_ivsize(geniv));
#endif

	return skcipher_geniv_init(tfm);
}

开发者ID:Hani-K，项目名称:H-Vitamin2_trelte，代码行数:37，代码来源:eseqiv.c

示例16: rfc3686_aes_setkey

static int rfc3686_aes_setkey(struct crypto_ablkcipher *tfm,
                             const u8 *in_key, unsigned int keylen)
{
    struct aes_ctx *ctx = crypto_ablkcipher_ctx(tfm);
    unsigned long *flags = (unsigned long *)&tfm->base.crt_flags;

    DPRINTF(2, "ctr_rfc3686_aes_set_key in %s\n", __FILE__);

    memcpy(ctx->nonce, in_key + (keylen - CTR_RFC3686_NONCE_SIZE),
           CTR_RFC3686_NONCE_SIZE);

    keylen -= CTR_RFC3686_NONCE_SIZE; // remove 4 bytes of nonce

    if (keylen != 16 && keylen != 24 && keylen != 32) {
        *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
        return -EINVAL;
    }

    ctx->key_length = keylen;

    memcpy ((u8 *) (ctx->buf), in_key, keylen);

    return 0;
}

开发者ID:020gzh，项目名称:openwrt-mirror，代码行数:24，代码来源:ifxmips_async_aes.c

示例17: sahara_aes_setkey

static int sahara_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
			     unsigned int keylen)
{
	struct sahara_ctx *ctx = crypto_ablkcipher_ctx(tfm);
	int ret;

	ctx->keylen = keylen;

	/* SAHARA only supports 128bit keys */
	if (keylen == AES_KEYSIZE_128) {
		memcpy(ctx->key, key, keylen);
		ctx->flags |= FLAGS_NEW_KEY;
		return 0;
	}

	if (keylen != AES_KEYSIZE_128 &&
	    keylen != AES_KEYSIZE_192 && keylen != AES_KEYSIZE_256)
		return -EINVAL;

	/*
	 * The requested key size is not supported by HW, do a fallback.
	 */
	ctx->fallback->base.crt_flags &= ~CRYPTO_TFM_REQ_MASK;
	ctx->fallback->base.crt_flags |=
		(tfm->base.crt_flags & CRYPTO_TFM_REQ_MASK);

	ret = crypto_ablkcipher_setkey(ctx->fallback, key, keylen);
	if (ret) {
		struct crypto_tfm *tfm_aux = crypto_ablkcipher_tfm(tfm);

		tfm_aux->crt_flags &= ~CRYPTO_TFM_RES_MASK;
		tfm_aux->crt_flags |=
			(ctx->fallback->base.crt_flags & CRYPTO_TFM_RES_MASK);
	}
	return ret;
}

开发者ID:AdaLovelance，项目名称:lxcGrsecKernels，代码行数:36，代码来源:sahara.c

示例18: ablk_decrypt

int ablk_decrypt(struct ablkcipher_request *req)
{
	struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
	struct async_helper_ctx *ctx = crypto_ablkcipher_ctx(tfm);

	if (!may_use_simd()) {
		struct ablkcipher_request *cryptd_req =
			ablkcipher_request_ctx(req);

		*cryptd_req = *req;
		ablkcipher_request_set_tfm(cryptd_req, &ctx->cryptd_tfm->base);

		return crypto_ablkcipher_decrypt(cryptd_req);
	} else {
		struct blkcipher_desc desc;

		desc.tfm = cryptd_ablkcipher_child(ctx->cryptd_tfm);
		desc.info = req->info;
		desc.flags = 0;

		return crypto_blkcipher_crt(desc.tfm)->decrypt(
			&desc, req->dst, req->src, req->nbytes);
	}
}

开发者ID:0-T-0，项目名称:ps4-linux，代码行数:24，代码来源:ablk_helper.c

示例19: ss_aes_setkey

static int ss_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key, 
				unsigned int keylen)
{
	int ret = 0;
	ss_aes_ctx_t *ctx = crypto_ablkcipher_ctx(tfm);

	SS_DBG("keylen = %d\n", keylen);
	if (ctx->comm.flags & SS_FLAG_NEW_KEY) {
		SS_ERR("The key has already update.\n");
		return -EBUSY;
	}

	ret = ss_aes_key_valid(tfm, keylen);
	if (ret != 0)
		return ret;

	ctx->key_size = keylen;
	memcpy(ctx->key, key, keylen);
	if (keylen < AES_KEYSIZE_256)
		memset(&ctx->key[keylen], 0, AES_KEYSIZE_256 - keylen);

	ctx->comm.flags |= SS_FLAG_NEW_KEY;
	return 0;
}

开发者ID:925outer，项目名称:BPI-M2P-bsp，代码行数:24，代码来源:sunxi_ss.c

示例20: process_next_packet

static int process_next_packet(struct aes_container *aes_con, struct ablkcipher_request *areq,
                               int state)
{
    u8 *iv;
    int mode, dir, err = -EINVAL;
    unsigned long queue_flag;
    u32 inc, nbytes, remain, chunk_size;
    struct scatterlist *src = NULL;
    struct scatterlist *dst = NULL;
    struct crypto_ablkcipher *cipher;
    struct aes_ctx *ctx;

    spin_lock_irqsave(&aes_queue->lock, queue_flag);

    dir = aes_con->encdec;
    mode = aes_con->mode;
    iv = aes_con->iv;
 
    if (state & PROCESS_SCATTER) {
        src = scatterwalk_sg_next(areq->src);
        dst = scatterwalk_sg_next(areq->dst);
 
        if (!src || !dst) {
            spin_unlock_irqrestore(&aes_queue->lock, queue_flag);
            return 1;
        }
    }
    else if (state & PROCESS_NEW_PACKET) { 
        src = areq->src;
        dst = areq->dst;
    }

    remain = aes_con->bytes_processed;
    chunk_size = src->length;

    if (remain > DEU_MAX_PACKET_SIZE)
       inc = DEU_MAX_PACKET_SIZE;
    else if (remain > chunk_size)
       inc = chunk_size;
    else
       inc = remain;

    remain -= inc;
    aes_con->nbytes = inc;
 
    if (state & PROCESS_SCATTER) {
        aes_con->src_buf += aes_con->nbytes;
        aes_con->dst_buf += aes_con->nbytes;
    }

    lq_sg_init(aes_con, src, dst);

    nbytes = aes_con->nbytes;

    //printk("debug - Line: %d, func: %s, reqsize: %d, scattersize: %d\n",
    //          __LINE__, __func__, nbytes, chunk_size);

    cipher = crypto_ablkcipher_reqtfm(areq);
    ctx = crypto_ablkcipher_ctx(cipher);


    if (aes_queue->hw_status == AES_IDLE)
        aes_queue->hw_status = AES_STARTED;

    aes_con->bytes_processed -= aes_con->nbytes;
    err = ablkcipher_enqueue_request(&aes_queue->list, &aes_con->arequest);
    if (err == -EBUSY) {
        spin_unlock_irqrestore(&aes_queue->lock, queue_flag);
        printk("Failed to enqueue request, ln: %d, err: %d\n",
                __LINE__, err);
        return -EINVAL;
    }

    spin_unlock_irqrestore(&aes_queue->lock, queue_flag);

    err = lq_deu_aes_core(ctx, aes_con->dst_buf, aes_con->src_buf, iv, nbytes, dir, mode);
    return err;

}

开发者ID:020gzh，项目名称:openwrt-mirror，代码行数:79，代码来源:ifxmips_async_aes.c

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