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C++ crypto_gcm_reqctx函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中crypto_gcm_reqctx函数的典型用法代码示例。如果您正苦于以下问题：C++ crypto_gcm_reqctx函数的具体用法？C++ crypto_gcm_reqctx怎么用？C++ crypto_gcm_reqctx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_gcm_reqctx函数的19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: crypto_gcm_decrypt

static int crypto_gcm_decrypt(struct aead_request *req)
{
	struct crypto_aead *aead = crypto_aead_reqtfm(req);
	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
	struct ablkcipher_request *abreq = &pctx->u.abreq;
	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
	unsigned int authsize = crypto_aead_authsize(aead);
	unsigned int cryptlen = req->cryptlen;
	int err;

	if (cryptlen < authsize)
		return -EINVAL;
	cryptlen -= authsize;

	gctx->src = req->src;
	gctx->cryptlen = cryptlen;
	gctx->complete = gcm_dec_hash_done;

	err = gcm_hash(req, pctx);
	if (err)
		return err;

	ablkcipher_request_set_callback(abreq, aead_request_flags(req),
					gcm_decrypt_done, req);
	crypto_gcm_init_crypt(abreq, req, cryptlen);
	err = crypto_ablkcipher_decrypt(abreq);
	if (err)
		return err;

	return crypto_gcm_verify(req, pctx);
}
开发者ID:0x000000FF，项目名称:edison-linux，代码行数:31，代码来源:gcm.c


示例2: crypto_gcm_init_crypt

static void crypto_gcm_init_crypt(struct ablkcipher_request *ablk_req,
				  struct aead_request *req,
				  unsigned int cryptlen)
{
	struct crypto_aead *aead = crypto_aead_reqtfm(req);
	struct crypto_gcm_ctx *ctx = crypto_aead_ctx(aead);
	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
	struct scatterlist *dst;
	__be32 counter = cpu_to_be32(1);

	memset(pctx->auth_tag, 0, sizeof(pctx->auth_tag));
	memcpy(req->iv + 12, &counter, 4);

	sg_init_table(pctx->src, 2);
	sg_set_buf(pctx->src, pctx->auth_tag, sizeof(pctx->auth_tag));
	scatterwalk_sg_chain(pctx->src, 2, req->src);

	dst = pctx->src;
	if (req->src != req->dst) {
		sg_init_table(pctx->dst, 2);
		sg_set_buf(pctx->dst, pctx->auth_tag, sizeof(pctx->auth_tag));
		scatterwalk_sg_chain(pctx->dst, 2, req->dst);
		dst = pctx->dst;
	}

	ablkcipher_request_set_tfm(ablk_req, ctx->ctr);
	ablkcipher_request_set_crypt(ablk_req, pctx->src, dst,
				     cryptlen + sizeof(pctx->auth_tag),
				     req->iv);
}
开发者ID:AICP，项目名称:kernel_moto_shamu，代码行数:30，代码来源:gcm.c


示例3: crypto_gcm_encrypt

static int crypto_gcm_encrypt(struct aead_request *req)
{
	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
	struct ablkcipher_request *abreq = &pctx->u.abreq;
	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
	int err;

	crypto_gcm_init_crypt(abreq, req, req->cryptlen);
	ablkcipher_request_set_callback(abreq, aead_request_flags(req),
					gcm_encrypt_done, req);

	gctx->src = req->dst;
	gctx->cryptlen = req->cryptlen;
	gctx->complete = gcm_enc_hash_done;

	err = crypto_ablkcipher_encrypt(abreq);
	if (err)
		return err;

	err = gcm_hash(req, pctx);
	if (err)
		return err;

	crypto_xor(pctx->auth_tag, pctx->iauth_tag, 16);
	gcm_enc_copy_hash(req, pctx);

	return 0;
}
开发者ID:0x000000FF，项目名称:edison-linux，代码行数:28，代码来源:gcm.c


示例4: crypto_gcm_decrypt

static int crypto_gcm_decrypt(struct aead_request *req)
{
	struct crypto_aead *aead = crypto_aead_reqtfm(req);
	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
	struct ablkcipher_request *abreq = &pctx->abreq;
	struct crypto_gcm_ghash_ctx *ghash = &pctx->ghash;
	unsigned int cryptlen = req->cryptlen;
	unsigned int authsize = crypto_aead_authsize(aead);
	int err;

	if (cryptlen < authsize)
		return -EINVAL;
	cryptlen -= authsize;

	crypto_gcm_init_crypt(abreq, req, cryptlen);
	ablkcipher_request_set_callback(abreq, aead_request_flags(req),
					crypto_gcm_decrypt_done, req);

	crypto_gcm_ghash_update_sg(ghash, req->src, cryptlen);

	err = crypto_ablkcipher_decrypt(abreq);
	if (err)
		return err;

	return crypto_gcm_verify(req);
}
开发者ID:10x-Amin，项目名称:x10_Th_kernel，代码行数:26，代码来源:gcm.c


示例5: gcm_enc_hash_done

static void gcm_enc_hash_done(struct aead_request *req, int err)
{
    struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);

    if (!err)
        gcm_enc_copy_hash(req, pctx);

    aead_request_complete(req, err);
}
开发者ID:jtcriswell，项目名称:linux256，代码行数:9，代码来源:gcm.c


示例6: __gcm_hash_final_done

static void __gcm_hash_final_done(struct aead_request *req, int err)
{
    struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
    struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;

    if (!err)
        crypto_xor(pctx->auth_tag, pctx->iauth_tag, 16);

    gctx->complete(req, err);
}
开发者ID:jtcriswell，项目名称:linux256，代码行数:10，代码来源:gcm.c


示例7: gcm_decrypt_done

static void gcm_decrypt_done(struct crypto_async_request *areq, int err)
{
    struct aead_request *req = areq->data;
    struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);

    if (!err)
        err = crypto_gcm_verify(req, pctx);

    aead_request_complete(req, err);
}
开发者ID:jtcriswell，项目名称:linux256，代码行数:10，代码来源:gcm.c


示例8: __gcm_hash_crypt_remain_done

static void __gcm_hash_crypt_remain_done(struct aead_request *req, int err)
{
    struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);

    if (!err) {
        err = gcm_hash_len(req, pctx);
        if (err == -EINPROGRESS || err == -EBUSY)
            return;
    }

    __gcm_hash_len_done(req, err);
}
开发者ID:jtcriswell，项目名称:linux256，代码行数:12，代码来源:gcm.c


示例9: gcm_encrypt_done

static void gcm_encrypt_done(struct crypto_async_request *areq,
				     int err)
{
	struct aead_request *req = areq->data;
	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);

	if (!err) {
		err = gcm_hash(req, pctx);
		if (err == -EINPROGRESS || err == -EBUSY)
			return;
	}

	gcm_enc_hash_done(areq, err);
}
开发者ID:laudarch，项目名称:simcom-linux-kernel，代码行数:14，代码来源:gcm.c


示例10: crypto_gcm_hash

static int crypto_gcm_hash(struct aead_request *req)
{
	struct crypto_aead *aead = crypto_aead_reqtfm(req);
	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
	u8 *auth_tag = pctx->auth_tag;
	struct crypto_gcm_ghash_ctx *ghash = &pctx->ghash;

	crypto_gcm_ghash_update_sg(ghash, req->dst, req->cryptlen);
	crypto_gcm_ghash_final_xor(ghash, req->assoclen, req->cryptlen,
				   auth_tag);

	scatterwalk_map_and_copy(auth_tag, req->dst, req->cryptlen,
				 crypto_aead_authsize(aead), 1);
	return 0;
}
开发者ID:johnny，项目名称:CobraDroidBeta，代码行数:15，代码来源:gcm.c


示例11: crypto_gcm_verify

static int crypto_gcm_verify(struct aead_request *req)
{
	struct crypto_aead *aead = crypto_aead_reqtfm(req);
	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
	struct crypto_gcm_ghash_ctx *ghash = &pctx->ghash;
	u8 *auth_tag = pctx->auth_tag;
	u8 *iauth_tag = pctx->iauth_tag;
	unsigned int authsize = crypto_aead_authsize(aead);
	unsigned int cryptlen = req->cryptlen - authsize;

	crypto_gcm_ghash_final_xor(ghash, req->assoclen, cryptlen, auth_tag);

	authsize = crypto_aead_authsize(aead);
	scatterwalk_map_and_copy(iauth_tag, req->src, cryptlen, authsize, 0);
	return memcmp(iauth_tag, auth_tag, authsize) ? -EBADMSG : 0;
}
开发者ID:johnny，项目名称:CobraDroidBeta，代码行数:16，代码来源:gcm.c


示例12: crypto_gcm_encrypt

static int crypto_gcm_encrypt(struct aead_request *req)
{
	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
	struct ablkcipher_request *abreq = &pctx->abreq;
	int err;

	crypto_gcm_init_crypt(abreq, req, req->cryptlen);
	ablkcipher_request_set_callback(abreq, aead_request_flags(req),
					crypto_gcm_encrypt_done, req);

	err = crypto_ablkcipher_encrypt(abreq);
	if (err)
		return err;

	return crypto_gcm_hash(req);
}
开发者ID:johnny，项目名称:CobraDroidBeta，代码行数:16，代码来源:gcm.c


示例13: __gcm_hash_assoc_done

static void __gcm_hash_assoc_done(struct aead_request *req, int err)
{
    struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
    unsigned int remain;

    if (!err) {
        remain = gcm_remain(req->assoclen);
        BUG_ON(!remain);
        err = gcm_hash_remain(req, pctx, remain,
                              gcm_hash_assoc_remain_done);
        if (err == -EINPROGRESS || err == -EBUSY)
            return;
    }

    __gcm_hash_assoc_remain_done(req, err);
}
开发者ID:jtcriswell，项目名称:linux256，代码行数:16，代码来源:gcm.c


示例14: gcm_encrypt_done

static void gcm_encrypt_done(struct crypto_async_request *areq, int err)
{
    struct aead_request *req = areq->data;
    struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);

    if (!err) {
        err = gcm_hash(req, pctx);
        if (err == -EINPROGRESS || err == -EBUSY)
            return;
        else if (!err) {
            crypto_xor(pctx->auth_tag, pctx->iauth_tag, 16);
            gcm_enc_copy_hash(req, pctx);
        }
    }

    aead_request_complete(req, err);
}
开发者ID:jtcriswell，项目名称:linux256，代码行数:17，代码来源:gcm.c


示例15: gcm_dec_hash_done

static void gcm_dec_hash_done(struct crypto_async_request *areq, int err)
{
	struct aead_request *req = areq->data;
	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
	struct ablkcipher_request *abreq = &pctx->u.abreq;
	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;

	if (!err) {
		ablkcipher_request_set_callback(abreq, aead_request_flags(req),
						gcm_decrypt_done, req);
		crypto_gcm_init_crypt(abreq, req, gctx->cryptlen);
		err = crypto_ablkcipher_decrypt(abreq);
		if (err == -EINPROGRESS || err == -EBUSY)
			return;
	}

	gcm_decrypt_done(areq, err);
}
开发者ID:laudarch，项目名称:simcom-linux-kernel，代码行数:18，代码来源:gcm.c


示例16: gcm_hash_crypt_done

static void gcm_hash_crypt_done(struct crypto_async_request *areq,
				int err)
{
	struct aead_request *req = areq->data;
	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
	unsigned int remain;

	if (!err) {
		remain = gcm_remain(gctx->cryptlen);
		BUG_ON(!remain);
		err = gcm_hash_remain(req, pctx, remain,
				      gcm_hash_crypt_remain_done);
		if (err == -EINPROGRESS || err == -EBUSY)
			return;
	}

	gcm_hash_crypt_remain_done(areq, err);
}
开发者ID:laudarch，项目名称:simcom-linux-kernel，代码行数:19，代码来源:gcm.c


示例17: __gcm_hash_init_done

static void __gcm_hash_init_done(struct aead_request *req, int err)
{
    struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
    crypto_completion_t compl;
    unsigned int remain = 0;

    if (!err && req->assoclen) {
        remain = gcm_remain(req->assoclen);
        compl = remain ? gcm_hash_assoc_done :
                gcm_hash_assoc_remain_done;
        err = gcm_hash_update(req, pctx, compl,
                              req->assoc, req->assoclen);
        if (err == -EINPROGRESS || err == -EBUSY)
            return;
    }

    if (remain)
        __gcm_hash_assoc_done(req, err);
    else
        __gcm_hash_assoc_remain_done(req, err);
}
开发者ID:jtcriswell，项目名称:linux256，代码行数:21，代码来源:gcm.c


示例18: __gcm_hash_assoc_remain_done

static void __gcm_hash_assoc_remain_done(struct aead_request *req, int err)
{
	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
	crypto_completion_t complete;
	unsigned int remain = 0;

	if (!err && gctx->cryptlen) {
		remain = gcm_remain(gctx->cryptlen);
		complete = remain ? gcm_hash_crypt_done :
			gcm_hash_crypt_remain_done;
		err = gcm_hash_update(req, pctx, complete,
				      gctx->src, gctx->cryptlen);
		if (err == -EINPROGRESS || err == -EBUSY)
			return;
	}

	if (remain)
		__gcm_hash_crypt_done(req, err);
	else
		__gcm_hash_crypt_remain_done(req, err);
}
开发者ID:mikuhatsune001，项目名称:linux2.6.32，代码行数:22，代码来源:gcm.c


示例19: crypto_gcm_init_crypt

static void crypto_gcm_init_crypt(struct ablkcipher_request *ablk_req,
				  struct aead_request *req,
				  unsigned int cryptlen)
{
	struct crypto_aead *aead = crypto_aead_reqtfm(req);
	struct crypto_gcm_ctx *ctx = crypto_aead_ctx(aead);
	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
	u32 flags = req->base.tfm->crt_flags;
	struct crypto_gcm_ghash_ctx *ghash = &pctx->ghash;
	struct scatterlist *dst;
	__be32 counter = cpu_to_be32(1);

	memset(pctx->auth_tag, 0, sizeof(pctx->auth_tag));
	memcpy(req->iv + 12, &counter, 4);

	sg_init_table(pctx->src, 2);
	sg_set_buf(pctx->src, pctx->auth_tag, sizeof(pctx->auth_tag));
	scatterwalk_sg_chain(pctx->src, 2, req->src);

	dst = pctx->src;
	if (req->src != req->dst) {
		sg_init_table(pctx->dst, 2);
		sg_set_buf(pctx->dst, pctx->auth_tag, sizeof(pctx->auth_tag));
		scatterwalk_sg_chain(pctx->dst, 2, req->dst);
		dst = pctx->dst;
	}

	ablkcipher_request_set_tfm(ablk_req, ctx->ctr);
	ablkcipher_request_set_crypt(ablk_req, pctx->src, dst,
				     cryptlen + sizeof(pctx->auth_tag),
				     req->iv);

	crypto_gcm_ghash_init(ghash, flags, ctx->gf128);

	crypto_gcm_ghash_update_sg(ghash, req->assoc, req->assoclen);
	crypto_gcm_ghash_flush(ghash);
}
开发者ID:johnny，项目名称:CobraDroidBeta，代码行数:37，代码来源:gcm.c



注：本文中的crypto_gcm_reqctx函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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