static int rk_cra_hash_init(struct crypto_tfm *tfm) { struct rk_ahash_ctx *tctx = crypto_tfm_ctx(tfm); struct rk_crypto_tmp *algt; struct ahash_alg *alg = __crypto_ahash_alg(tfm->__crt_alg); const char *alg_name = crypto_tfm_alg_name(tfm); algt = container_of(alg, struct rk_crypto_tmp, alg.hash); tctx->dev = algt->dev; tctx->dev->addr_vir = (void *)__get_free_page(GFP_KERNEL); if (!tctx->dev->addr_vir) { dev_err(tctx->dev->dev, "failed to kmalloc for addr_vir\n"); return -ENOMEM; } tctx->dev->start = rk_ahash_start; tctx->dev->update = rk_ahash_crypto_rx; tctx->dev->complete = rk_ahash_crypto_complete; /* for fallback */ tctx->fallback_tfm = crypto_alloc_ahash(alg_name, 0, CRYPTO_ALG_NEED_FALLBACK); if (IS_ERR(tctx->fallback_tfm)) { dev_err(tctx->dev->dev, "Could not load fallback driver.\n"); return PTR_ERR(tctx->fallback_tfm); } crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm), sizeof(struct rk_ahash_rctx) + crypto_ahash_reqsize(tctx->fallback_tfm)); return tctx->dev->enable_clk(tctx->dev); }
/** * HASH SHA1 Functions */ static int crypto4xx_hash_alg_init(struct crypto_tfm *tfm, unsigned int sa_len, unsigned char ha, unsigned char hm) { struct crypto_alg *alg = tfm->__crt_alg; struct crypto4xx_alg *my_alg; struct crypto4xx_ctx *ctx = crypto_tfm_ctx(tfm); struct dynamic_sa_hash160 *sa; int rc; my_alg = container_of(__crypto_ahash_alg(alg), struct crypto4xx_alg, alg.u.hash); ctx->dev = my_alg->dev; /* Create SA */ if (ctx->sa_in || ctx->sa_out) crypto4xx_free_sa(ctx); rc = crypto4xx_alloc_sa(ctx, sa_len); if (rc) return rc; crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm), sizeof(struct crypto4xx_ctx)); sa = (struct dynamic_sa_hash160 *)ctx->sa_in; set_dynamic_sa_command_0(&sa->ctrl, SA_SAVE_HASH, SA_NOT_SAVE_IV, SA_NOT_LOAD_HASH, SA_LOAD_IV_FROM_SA, SA_NO_HEADER_PROC, ha, SA_CIPHER_ALG_NULL, SA_PAD_TYPE_ZERO, SA_OP_GROUP_BASIC, SA_OPCODE_HASH, DIR_INBOUND); set_dynamic_sa_command_1(&sa->ctrl, 0, SA_HASH_MODE_HASH, CRYPTO_FEEDBACK_MODE_NO_FB, SA_EXTENDED_SN_OFF, SA_SEQ_MASK_OFF, SA_MC_ENABLE, SA_NOT_COPY_PAD, SA_NOT_COPY_PAYLOAD, SA_NOT_COPY_HDR); /* Need to zero hash digest in SA */ memset(sa->inner_digest, 0, sizeof(sa->inner_digest)); memset(sa->outer_digest, 0, sizeof(sa->outer_digest)); return 0; }