dcp_sha_req_ctx
struct dcp_sha_req_ctx req_ctx;
struct dcp_sha_req_ctx *rctx = ahash_request_ctx(req);
struct dcp_sha_req_ctx *rctx = ahash_request_ctx(req);
struct dcp_sha_req_ctx *rctx = ahash_request_ctx(req);
struct dcp_sha_req_ctx *rctx = ahash_request_ctx(req);
memset(rctx, 0, sizeof(struct dcp_sha_req_ctx));
memcpy(rctx, &export->req_ctx, sizeof(struct dcp_sha_req_ctx));
struct dcp_sha_req_ctx *rctx_state = ahash_request_ctx(req);
memcpy(&export->req_ctx, rctx_state, sizeof(struct dcp_sha_req_ctx));
sizeof(struct dcp_sha_req_ctx));