674 struct digest_ctx {  struct
748     struct digest_ctx *digest_ctx =  in digest_init()  local
749         (struct digest_ctx *)EVP_MD_CTX_get0_md_data(ctx);  in digest_init()
753     digest_ctx->init_called = 1;  in digest_init()
755     memset(&digest_ctx->sess, 0, sizeof(digest_ctx->sess));  in digest_init()
756     digest_ctx->sess.mac = digest_d->devcryptoid;  in digest_init()
757     if (ioctl(cfd, CIOCGSESSION, &digest_ctx->sess) < 0) {  in digest_init()
764 static int digest_op(struct digest_ctx *ctx, const void *src, size_t srclen,  in digest_op()
781     struct digest_ctx *digest_ctx =  in digest_update()  local
782         (struct digest_ctx *)EVP_MD_CTX_get0_md_data(ctx);  in digest_update()
787     if (digest_ctx == NULL)  in digest_update()
791         if (digest_op(digest_ctx, data, count, digest_ctx->digest_res, 0) >= 0)  in digest_update()
793     } else if (digest_op(digest_ctx, data, count, NULL, COP_FLAG_UPDATE) >= 0) {  in digest_update()
803     struct digest_ctx *digest_ctx =  in digest_final()  local
804         (struct digest_ctx *)EVP_MD_CTX_get0_md_data(ctx);  in digest_final()
806     if (md == NULL || digest_ctx == NULL)  in digest_final()
810         memcpy(md, digest_ctx->digest_res, EVP_MD_CTX_get_size(ctx));  in digest_final()
811     } else if (digest_op(digest_ctx, NULL, 0, md, COP_FLAG_FINAL) < 0) {  in digest_final()
821     struct digest_ctx *digest_from =  in digest_copy()
822         (struct digest_ctx *)EVP_MD_CTX_get0_md_data(from);  in digest_copy()
823     struct digest_ctx *digest_to =  in digest_copy()
824         (struct digest_ctx *)EVP_MD_CTX_get0_md_data(to);  in digest_copy()
846     struct digest_ctx *digest_ctx =  in digest_cleanup()  local
847         (struct digest_ctx *)EVP_MD_CTX_get0_md_data(ctx);  in digest_cleanup()
849     if (digest_ctx == NULL)  in digest_cleanup()
852     return clean_devcrypto_session(&digest_ctx->sess);  in digest_cleanup()
960                                              sizeof(struct digest_ctx))) {  in prepare_digest_methods()