--- zzzz-none-000/linux-3.10.107/drivers/crypto/nx/nx-aes-ctr.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/crypto/nx/nx-aes-ctr.c 2021-02-04 17:41:59.000000000 +0000 @@ -72,7 +72,7 @@ if (key_len < CTR_RFC3686_NONCE_SIZE) return -EINVAL; - memcpy(nx_ctx->priv.ctr.iv, + memcpy(nx_ctx->priv.ctr.nonce, in_key + key_len - CTR_RFC3686_NONCE_SIZE, CTR_RFC3686_NONCE_SIZE); @@ -88,30 +88,40 @@ { struct nx_crypto_ctx *nx_ctx = crypto_blkcipher_ctx(desc->tfm); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; + unsigned long irq_flags; + unsigned int processed = 0, to_process; int rc; - if (nbytes > nx_ctx->ap->databytelen) - return -EINVAL; + spin_lock_irqsave(&nx_ctx->lock, irq_flags); + + do { + to_process = nbytes - processed; - rc = nx_build_sg_lists(nx_ctx, desc, dst, src, nbytes, - csbcpb->cpb.aes_ctr.iv); - if (rc) - goto out; - - if (!nx_ctx->op.inlen || !nx_ctx->op.outlen) { - rc = -EINVAL; - goto out; - } - - rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, - desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP); - if (rc) - goto out; - - atomic_inc(&(nx_ctx->stats->aes_ops)); - atomic64_add(csbcpb->csb.processed_byte_count, - &(nx_ctx->stats->aes_bytes)); + rc = nx_build_sg_lists(nx_ctx, desc, dst, src, &to_process, + processed, csbcpb->cpb.aes_ctr.iv); + if (rc) + goto out; + + if (!nx_ctx->op.inlen || !nx_ctx->op.outlen) { + rc = -EINVAL; + goto out; + } + + rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, + desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP); + if (rc) + goto out; + + memcpy(desc->info, csbcpb->cpb.aes_cbc.cv, AES_BLOCK_SIZE); + + atomic_inc(&(nx_ctx->stats->aes_ops)); + atomic64_add(csbcpb->csb.processed_byte_count, + &(nx_ctx->stats->aes_bytes)); + + processed += to_process; + } while (processed < nbytes); out: + spin_unlock_irqrestore(&nx_ctx->lock, irq_flags); return rc; } @@ -121,38 +131,19 @@ unsigned int nbytes) { struct nx_crypto_ctx *nx_ctx = crypto_blkcipher_ctx(desc->tfm); - u8 *iv = nx_ctx->priv.ctr.iv; + u8 iv[16]; + memcpy(iv, nx_ctx->priv.ctr.nonce, CTR_RFC3686_IV_SIZE); memcpy(iv + CTR_RFC3686_NONCE_SIZE, desc->info, CTR_RFC3686_IV_SIZE); + iv[12] = iv[13] = iv[14] = 0; iv[15] = 1; - desc->info = nx_ctx->priv.ctr.iv; + desc->info = iv; return ctr_aes_nx_crypt(desc, dst, src, nbytes); } -struct crypto_alg nx_ctr_aes_alg = { - .cra_name = "ctr(aes)", - .cra_driver_name = "ctr-aes-nx", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = nx_crypto_ctx_aes_ctr_init, - .cra_exit = nx_crypto_ctx_exit, - .cra_blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = ctr_aes_nx_set_key, - .encrypt = ctr_aes_nx_crypt, - .decrypt = ctr_aes_nx_crypt, - } -}; - struct crypto_alg nx_ctr3686_aes_alg = { .cra_name = "rfc3686(ctr(aes))", .cra_driver_name = "rfc3686-ctr-aes-nx",