Lines Matching defs:rctx
30 struct ccp_sha_req_ctx *rctx = ahash_request_ctx(req);
36 if (rctx->hash_rem) {
38 unsigned int offset = rctx->nbytes - rctx->hash_rem;
40 scatterwalk_map_and_copy(rctx->buf, rctx->src,
41 offset, rctx->hash_rem, 0);
42 rctx->buf_count = rctx->hash_rem;
44 rctx->buf_count = 0;
48 if (req->result && rctx->final)
49 memcpy(req->result, rctx->ctx, digest_size);
52 sg_free_table(&rctx->data_sg);
62 struct ccp_sha_req_ctx *rctx = ahash_request_ctx(req);
71 len = (u64)rctx->buf_count + (u64)nbytes;
74 scatterwalk_map_and_copy(rctx->buf + rctx->buf_count, req->src,
76 rctx->buf_count += nbytes;
81 rctx->src = req->src;
82 rctx->nbytes = nbytes;
84 rctx->final = final;
85 rctx->hash_rem = final ? 0 : len & (block_size - 1);
86 rctx->hash_cnt = len - rctx->hash_rem;
87 if (!final && !rctx->hash_rem) {
89 rctx->hash_cnt -= block_size;
90 rctx->hash_rem = block_size;
94 sg_init_one(&rctx->ctx_sg, rctx->ctx, sizeof(rctx->ctx));
97 if (rctx->buf_count && nbytes) {
104 ret = sg_alloc_table(&rctx->data_sg, sg_count, gfp);
108 sg_init_one(&rctx->buf_sg, rctx->buf, rctx->buf_count);
109 sg = ccp_crypto_sg_table_add(&rctx->data_sg, &rctx->buf_sg);
114 sg = ccp_crypto_sg_table_add(&rctx->data_sg, req->src);
121 sg = rctx->data_sg.sgl;
122 } else if (rctx->buf_count) {
123 sg_init_one(&rctx->buf_sg, rctx->buf, rctx->buf_count);
125 sg = &rctx->buf_sg;
130 rctx->msg_bits += (rctx->hash_cnt << 3); /* Total in bits */
132 memset(&rctx->cmd, 0, sizeof(rctx->cmd));
133 INIT_LIST_HEAD(&rctx->cmd.entry);
134 rctx->cmd.engine = CCP_ENGINE_SHA;
135 rctx->cmd.u.sha.type = rctx->type;
136 rctx->cmd.u.sha.ctx = &rctx->ctx_sg;
138 switch (rctx->type) {
140 rctx->cmd.u.sha.ctx_len = SHA1_DIGEST_SIZE;
143 rctx->cmd.u.sha.ctx_len = SHA224_DIGEST_SIZE;
146 rctx->cmd.u.sha.ctx_len = SHA256_DIGEST_SIZE;
149 rctx->cmd.u.sha.ctx_len = SHA384_DIGEST_SIZE;
152 rctx->cmd.u.sha.ctx_len = SHA512_DIGEST_SIZE;
159 rctx->cmd.u.sha.src = sg;
160 rctx->cmd.u.sha.src_len = rctx->hash_cnt;
161 rctx->cmd.u.sha.opad = ctx->u.sha.key_len ?
163 rctx->cmd.u.sha.opad_len = ctx->u.sha.key_len ?
165 rctx->cmd.u.sha.first = rctx->first;
166 rctx->cmd.u.sha.final = rctx->final;
167 rctx->cmd.u.sha.msg_bits = rctx->msg_bits;
169 rctx->first = 0;
171 ret = ccp_crypto_enqueue_request(&req->base, &rctx->cmd);
176 sg_free_table(&rctx->data_sg);
185 struct ccp_sha_req_ctx *rctx = ahash_request_ctx(req);
191 memset(rctx, 0, sizeof(*rctx));
193 rctx->type = alg->type;
194 rctx->first = 1;
198 memcpy(rctx->buf, ctx->u.sha.ipad, block_size);
199 rctx->buf_count = block_size;
233 struct ccp_sha_req_ctx *rctx = ahash_request_ctx(req);
239 state.type = rctx->type;
240 state.msg_bits = rctx->msg_bits;
241 state.first = rctx->first;
242 memcpy(state.ctx, rctx->ctx, sizeof(state.ctx));
243 state.buf_count = rctx->buf_count;
244 memcpy(state.buf, rctx->buf, sizeof(state.buf));
254 struct ccp_sha_req_ctx *rctx = ahash_request_ctx(req);
260 memset(rctx, 0, sizeof(*rctx));
261 rctx->type = state.type;
262 rctx->msg_bits = state.msg_bits;
263 rctx->first = state.first;
264 memcpy(rctx->ctx, state.ctx, sizeof(rctx->ctx));
265 rctx->buf_count = state.buf_count;
266 memcpy(rctx->buf, state.buf, sizeof(rctx->buf));