linux-master/crypto/chacha20poly1305.c

174 	struct poly_req *preq = &rctx->u.poly;
177 	preq->tail.assoclen = cpu_to_le64(rctx->assoclen);
178 	preq->tail.cryptlen = cpu_to_le64(rctx->cryptlen);
179 	sg_init_one(preq->src, &preq->tail, sizeof(preq->tail));
181 	ahash_request_set_callback(&preq->req, rctx->flags,
183 	ahash_request_set_tfm(&preq->req, ctx->poly);
184 	ahash_request_set_crypt(&preq->req, preq->src,
185 				rctx->tag, sizeof(preq->tail));
187 	err = crypto_ahash_finup(&preq->req);
203 	struct poly_req *preq = &rctx->u.poly;
208 	memset(preq->pad, 0, sizeof(preq->pad));
209 	sg_init_one(preq->src, preq->pad, padlen);
211 	ahash_request_set_callback(&preq->req, rctx->flags,
213 	ahash_request_set_tfm(&preq->req, ctx->poly);
214 	ahash_request_set_crypt(&preq->req, preq->src, NULL, padlen);
216 	err = crypto_ahash_update(&preq->req);
232 	struct poly_req *preq = &rctx->u.poly;
241 	ahash_request_set_callback(&preq->req, rctx->flags,
243 	ahash_request_set_tfm(&preq->req, ctx->poly);
244 	ahash_request_set_crypt(&preq->req, crypt, NULL, rctx->cryptlen);
246 	err = crypto_ahash_update(&preq->req);
262 	struct poly_req *preq = &rctx->u.poly;
267 	memset(preq->pad, 0, sizeof(preq->pad));
268 	sg_init_one(preq->src, preq->pad, padlen);
270 	ahash_request_set_callback(&preq->req, rctx->flags,
272 	ahash_request_set_tfm(&preq->req, ctx->poly);
273 	ahash_request_set_crypt(&preq->req, preq->src, NULL, padlen);
275 	err = crypto_ahash_update(&preq->req);
291 	struct poly_req *preq = &rctx->u.poly;
294 	ahash_request_set_callback(&preq->req, rctx->flags,
296 	ahash_request_set_tfm(&preq->req, ctx->poly);
297 	ahash_request_set_crypt(&preq->req, req->src, NULL, rctx->assoclen);
299 	err = crypto_ahash_update(&preq->req);
315 	struct poly_req *preq = &rctx->u.poly;
318 	sg_init_one(preq->src, rctx->key, sizeof(rctx->key));
320 	ahash_request_set_callback(&preq->req, rctx->flags,
322 	ahash_request_set_tfm(&preq->req, ctx->poly);
323 	ahash_request_set_crypt(&preq->req, preq->src, NULL, sizeof(rctx->key));
325 	err = crypto_ahash_update(&preq->req);
341 	struct poly_req *preq = &rctx->u.poly;
344 	ahash_request_set_callback(&preq->req, rctx->flags,
346 	ahash_request_set_tfm(&preq->req, ctx->poly);
348 	err = crypto_ahash_init(&preq->req);