crypto: morus - Add common SIMD glue code for MORUS
This patch adds a common glue code for optimized implementations of MORUS AEAD algorithms. Signed-off-by: Ondrej Mosnacek <omosnacek@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>hifive-unleashed-5.1
Ondrej Mosnacek
Herbert Xu
parent
4feb4c597a
commit
56e8e57fc3
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@ -340,12 +340,28 @@ config CRYPTO_MORUS640
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help
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Support for the MORUS-640 dedicated AEAD algorithm.
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config CRYPTO_MORUS640_GLUE
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tristate "MORUS-640 AEAD algorithm (glue for SIMD optimizations)"
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select CRYPTO_AEAD
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select CRYPTO_CRYPTD
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help
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Common glue for SIMD optimizations of the MORUS-640 dedicated AEAD
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algorithm.
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config CRYPTO_MORUS1280
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tristate "MORUS-1280 AEAD algorithm"
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select CRYPTO_AEAD
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help
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Support for the MORUS-1280 dedicated AEAD algorithm.
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config CRYPTO_MORUS1280_GLUE
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tristate "MORUS-1280 AEAD algorithm (glue for SIMD optimizations)"
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select CRYPTO_AEAD
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select CRYPTO_CRYPTD
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help
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Common glue for SIMD optimizations of the MORUS-1280 dedicated AEAD
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algorithm.
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config CRYPTO_SEQIV
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tristate "Sequence Number IV Generator"
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select CRYPTO_AEAD
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@ -91,6 +91,8 @@ obj-$(CONFIG_CRYPTO_AEGIS128L) += aegis128l.o
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obj-$(CONFIG_CRYPTO_AEGIS256) += aegis256.o
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obj-$(CONFIG_CRYPTO_MORUS640) += morus640.o
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obj-$(CONFIG_CRYPTO_MORUS1280) += morus1280.o
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obj-$(CONFIG_CRYPTO_MORUS640_GLUE) += morus640_glue.o
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obj-$(CONFIG_CRYPTO_MORUS1280_GLUE) += morus1280_glue.o
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obj-$(CONFIG_CRYPTO_PCRYPT) += pcrypt.o
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obj-$(CONFIG_CRYPTO_CRYPTD) += cryptd.o
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obj-$(CONFIG_CRYPTO_MCRYPTD) += mcryptd.o
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@ -0,0 +1,302 @@
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/*
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* The MORUS-1280 Authenticated-Encryption Algorithm
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* Common glue skeleton
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*
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* Copyright (c) 2016-2018 Ondrej Mosnacek <omosnacek@gmail.com>
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* Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <crypto/cryptd.h>
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#include <crypto/internal/aead.h>
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#include <crypto/internal/skcipher.h>
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#include <crypto/morus1280_glue.h>
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#include <crypto/scatterwalk.h>
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#include <linux/err.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/scatterlist.h>
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#include <asm/fpu/api.h>
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struct morus1280_state {
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struct morus1280_block s[MORUS_STATE_BLOCKS];
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};
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struct morus1280_ops {
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int (*skcipher_walk_init)(struct skcipher_walk *walk,
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struct aead_request *req, bool atomic);
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void (*crypt_blocks)(void *state, const void *src, void *dst,
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unsigned int length);
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void (*crypt_tail)(void *state, const void *src, void *dst,
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unsigned int length);
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};
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static void crypto_morus1280_glue_process_ad(
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struct morus1280_state *state,
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const struct morus1280_glue_ops *ops,
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struct scatterlist *sg_src, unsigned int assoclen)
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{
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struct scatter_walk walk;
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struct morus1280_block buf;
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unsigned int pos = 0;
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scatterwalk_start(&walk, sg_src);
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while (assoclen != 0) {
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unsigned int size = scatterwalk_clamp(&walk, assoclen);
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unsigned int left = size;
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void *mapped = scatterwalk_map(&walk);
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const u8 *src = (const u8 *)mapped;
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if (pos + size >= MORUS1280_BLOCK_SIZE) {
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if (pos > 0) {
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unsigned int fill = MORUS1280_BLOCK_SIZE - pos;
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memcpy(buf.bytes + pos, src, fill);
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ops->ad(state, buf.bytes, MORUS1280_BLOCK_SIZE);
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pos = 0;
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left -= fill;
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src += fill;
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}
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ops->ad(state, src, left);
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src += left & ~(MORUS1280_BLOCK_SIZE - 1);
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left &= MORUS1280_BLOCK_SIZE - 1;
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}
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memcpy(buf.bytes + pos, src, left);
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pos += left;
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assoclen -= size;
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scatterwalk_unmap(mapped);
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scatterwalk_advance(&walk, size);
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scatterwalk_done(&walk, 0, assoclen);
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}
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if (pos > 0) {
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memset(buf.bytes + pos, 0, MORUS1280_BLOCK_SIZE - pos);
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ops->ad(state, buf.bytes, MORUS1280_BLOCK_SIZE);
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}
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}
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static void crypto_morus1280_glue_process_crypt(struct morus1280_state *state,
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struct morus1280_ops ops,
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struct aead_request *req)
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{
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struct skcipher_walk walk;
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u8 *cursor_src, *cursor_dst;
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unsigned int chunksize, base;
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ops.skcipher_walk_init(&walk, req, false);
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while (walk.nbytes) {
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cursor_src = walk.src.virt.addr;
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cursor_dst = walk.dst.virt.addr;
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chunksize = walk.nbytes;
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ops.crypt_blocks(state, cursor_src, cursor_dst, chunksize);
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base = chunksize & ~(MORUS1280_BLOCK_SIZE - 1);
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cursor_src += base;
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cursor_dst += base;
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chunksize &= MORUS1280_BLOCK_SIZE - 1;
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if (chunksize > 0)
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ops.crypt_tail(state, cursor_src, cursor_dst,
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chunksize);
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skcipher_walk_done(&walk, 0);
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}
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}
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int crypto_morus1280_glue_setkey(struct crypto_aead *aead, const u8 *key,
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unsigned int keylen)
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{
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struct morus1280_ctx *ctx = crypto_aead_ctx(aead);
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if (keylen == MORUS1280_BLOCK_SIZE) {
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memcpy(ctx->key.bytes, key, MORUS1280_BLOCK_SIZE);
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} else if (keylen == MORUS1280_BLOCK_SIZE / 2) {
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memcpy(ctx->key.bytes, key, keylen);
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memcpy(ctx->key.bytes + keylen, key, keylen);
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} else {
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crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
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return -EINVAL;
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}
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return 0;
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}
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EXPORT_SYMBOL_GPL(crypto_morus1280_glue_setkey);
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int crypto_morus1280_glue_setauthsize(struct crypto_aead *tfm,
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unsigned int authsize)
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{
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return (authsize <= MORUS_MAX_AUTH_SIZE) ? 0 : -EINVAL;
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}
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EXPORT_SYMBOL_GPL(crypto_morus1280_glue_setauthsize);
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static void crypto_morus1280_glue_crypt(struct aead_request *req,
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struct morus1280_ops ops,
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unsigned int cryptlen,
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struct morus1280_block *tag_xor)
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{
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struct crypto_aead *tfm = crypto_aead_reqtfm(req);
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struct morus1280_ctx *ctx = crypto_aead_ctx(tfm);
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struct morus1280_state state;
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kernel_fpu_begin();
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ctx->ops->init(&state, &ctx->key, req->iv);
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crypto_morus1280_glue_process_ad(&state, ctx->ops, req->src, req->assoclen);
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crypto_morus1280_glue_process_crypt(&state, ops, req);
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ctx->ops->final(&state, tag_xor, req->assoclen, cryptlen);
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kernel_fpu_end();
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}
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int crypto_morus1280_glue_encrypt(struct aead_request *req)
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{
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struct crypto_aead *tfm = crypto_aead_reqtfm(req);
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struct morus1280_ctx *ctx = crypto_aead_ctx(tfm);
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struct morus1280_ops OPS = {
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.skcipher_walk_init = skcipher_walk_aead_encrypt,
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.crypt_blocks = ctx->ops->enc,
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.crypt_tail = ctx->ops->enc_tail,
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};
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struct morus1280_block tag = {};
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unsigned int authsize = crypto_aead_authsize(tfm);
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unsigned int cryptlen = req->cryptlen;
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crypto_morus1280_glue_crypt(req, OPS, cryptlen, &tag);
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scatterwalk_map_and_copy(tag.bytes, req->dst,
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req->assoclen + cryptlen, authsize, 1);
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return 0;
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}
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EXPORT_SYMBOL_GPL(crypto_morus1280_glue_encrypt);
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int crypto_morus1280_glue_decrypt(struct aead_request *req)
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{
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static const u8 zeros[MORUS1280_BLOCK_SIZE] = {};
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struct crypto_aead *tfm = crypto_aead_reqtfm(req);
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struct morus1280_ctx *ctx = crypto_aead_ctx(tfm);
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struct morus1280_ops OPS = {
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.skcipher_walk_init = skcipher_walk_aead_decrypt,
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.crypt_blocks = ctx->ops->dec,
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.crypt_tail = ctx->ops->dec_tail,
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};
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struct morus1280_block tag;
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unsigned int authsize = crypto_aead_authsize(tfm);
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unsigned int cryptlen = req->cryptlen - authsize;
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scatterwalk_map_and_copy(tag.bytes, req->src,
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req->assoclen + cryptlen, authsize, 0);
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crypto_morus1280_glue_crypt(req, OPS, cryptlen, &tag);
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return crypto_memneq(tag.bytes, zeros, authsize) ? -EBADMSG : 0;
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}
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EXPORT_SYMBOL_GPL(crypto_morus1280_glue_decrypt);
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void crypto_morus1280_glue_init_ops(struct crypto_aead *aead,
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const struct morus1280_glue_ops *ops)
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{
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struct morus1280_ctx *ctx = crypto_aead_ctx(aead);
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ctx->ops = ops;
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}
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EXPORT_SYMBOL_GPL(crypto_morus1280_glue_init_ops);
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int cryptd_morus1280_glue_setkey(struct crypto_aead *aead, const u8 *key,
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unsigned int keylen)
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{
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struct cryptd_aead **ctx = crypto_aead_ctx(aead);
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struct cryptd_aead *cryptd_tfm = *ctx;
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return crypto_aead_setkey(&cryptd_tfm->base, key, keylen);
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}
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EXPORT_SYMBOL_GPL(cryptd_morus1280_glue_setkey);
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int cryptd_morus1280_glue_setauthsize(struct crypto_aead *aead,
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unsigned int authsize)
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{
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struct cryptd_aead **ctx = crypto_aead_ctx(aead);
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struct cryptd_aead *cryptd_tfm = *ctx;
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return crypto_aead_setauthsize(&cryptd_tfm->base, authsize);
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}
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EXPORT_SYMBOL_GPL(cryptd_morus1280_glue_setauthsize);
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int cryptd_morus1280_glue_encrypt(struct aead_request *req)
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{
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struct crypto_aead *aead = crypto_aead_reqtfm(req);
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struct cryptd_aead **ctx = crypto_aead_ctx(aead);
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struct cryptd_aead *cryptd_tfm = *ctx;
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aead = &cryptd_tfm->base;
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if (irq_fpu_usable() && (!in_atomic() ||
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!cryptd_aead_queued(cryptd_tfm)))
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aead = cryptd_aead_child(cryptd_tfm);
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aead_request_set_tfm(req, aead);
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return crypto_aead_encrypt(req);
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}
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EXPORT_SYMBOL_GPL(cryptd_morus1280_glue_encrypt);
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int cryptd_morus1280_glue_decrypt(struct aead_request *req)
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{
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struct crypto_aead *aead = crypto_aead_reqtfm(req);
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struct cryptd_aead **ctx = crypto_aead_ctx(aead);
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struct cryptd_aead *cryptd_tfm = *ctx;
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aead = &cryptd_tfm->base;
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if (irq_fpu_usable() && (!in_atomic() ||
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!cryptd_aead_queued(cryptd_tfm)))
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aead = cryptd_aead_child(cryptd_tfm);
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aead_request_set_tfm(req, aead);
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return crypto_aead_decrypt(req);
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}
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EXPORT_SYMBOL_GPL(cryptd_morus1280_glue_decrypt);
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int cryptd_morus1280_glue_init_tfm(struct crypto_aead *aead)
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{
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struct cryptd_aead *cryptd_tfm;
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struct cryptd_aead **ctx = crypto_aead_ctx(aead);
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const char *name = crypto_aead_alg(aead)->base.cra_driver_name;
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char internal_name[CRYPTO_MAX_ALG_NAME];
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if (snprintf(internal_name, CRYPTO_MAX_ALG_NAME, "__%s", name)
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>= CRYPTO_MAX_ALG_NAME)
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return -ENAMETOOLONG;
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cryptd_tfm = cryptd_alloc_aead(internal_name, CRYPTO_ALG_INTERNAL,
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CRYPTO_ALG_INTERNAL);
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if (IS_ERR(cryptd_tfm))
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return PTR_ERR(cryptd_tfm);
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*ctx = cryptd_tfm;
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crypto_aead_set_reqsize(aead, crypto_aead_reqsize(&cryptd_tfm->base));
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return 0;
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}
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EXPORT_SYMBOL_GPL(cryptd_morus1280_glue_init_tfm);
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void cryptd_morus1280_glue_exit_tfm(struct crypto_aead *aead)
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{
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struct cryptd_aead **ctx = crypto_aead_ctx(aead);
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cryptd_free_aead(*ctx);
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}
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EXPORT_SYMBOL_GPL(cryptd_morus1280_glue_exit_tfm);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Ondrej Mosnacek <omosnacek@gmail.com>");
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MODULE_DESCRIPTION("MORUS-1280 AEAD mode -- glue for optimizations");
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@ -0,0 +1,298 @@
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/*
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* The MORUS-640 Authenticated-Encryption Algorithm
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* Common glue skeleton
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*
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* Copyright (c) 2016-2018 Ondrej Mosnacek <omosnacek@gmail.com>
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* Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <crypto/cryptd.h>
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#include <crypto/internal/aead.h>
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#include <crypto/internal/skcipher.h>
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#include <crypto/morus640_glue.h>
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#include <crypto/scatterwalk.h>
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#include <linux/err.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/scatterlist.h>
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#include <asm/fpu/api.h>
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struct morus640_state {
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struct morus640_block s[MORUS_STATE_BLOCKS];
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};
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struct morus640_ops {
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int (*skcipher_walk_init)(struct skcipher_walk *walk,
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struct aead_request *req, bool atomic);
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void (*crypt_blocks)(void *state, const void *src, void *dst,
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unsigned int length);
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void (*crypt_tail)(void *state, const void *src, void *dst,
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unsigned int length);
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};
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static void crypto_morus640_glue_process_ad(
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struct morus640_state *state,
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const struct morus640_glue_ops *ops,
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struct scatterlist *sg_src, unsigned int assoclen)
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{
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struct scatter_walk walk;
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struct morus640_block buf;
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unsigned int pos = 0;
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scatterwalk_start(&walk, sg_src);
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while (assoclen != 0) {
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unsigned int size = scatterwalk_clamp(&walk, assoclen);
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unsigned int left = size;
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void *mapped = scatterwalk_map(&walk);
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const u8 *src = (const u8 *)mapped;
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if (pos + size >= MORUS640_BLOCK_SIZE) {
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if (pos > 0) {
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unsigned int fill = MORUS640_BLOCK_SIZE - pos;
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memcpy(buf.bytes + pos, src, fill);
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ops->ad(state, buf.bytes, MORUS640_BLOCK_SIZE);
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pos = 0;
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left -= fill;
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src += fill;
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}
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ops->ad(state, src, left);
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src += left & ~(MORUS640_BLOCK_SIZE - 1);
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left &= MORUS640_BLOCK_SIZE - 1;
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}
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memcpy(buf.bytes + pos, src, left);
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pos += left;
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assoclen -= size;
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scatterwalk_unmap(mapped);
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scatterwalk_advance(&walk, size);
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scatterwalk_done(&walk, 0, assoclen);
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}
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if (pos > 0) {
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memset(buf.bytes + pos, 0, MORUS640_BLOCK_SIZE - pos);
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ops->ad(state, buf.bytes, MORUS640_BLOCK_SIZE);
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}
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}
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static void crypto_morus640_glue_process_crypt(struct morus640_state *state,
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struct morus640_ops ops,
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struct aead_request *req)
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{
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struct skcipher_walk walk;
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||||
u8 *cursor_src, *cursor_dst;
|
||||
unsigned int chunksize, base;
|
||||
|
||||
ops.skcipher_walk_init(&walk, req, false);
|
||||
|
||||
while (walk.nbytes) {
|
||||
cursor_src = walk.src.virt.addr;
|
||||
cursor_dst = walk.dst.virt.addr;
|
||||
chunksize = walk.nbytes;
|
||||
|
||||
ops.crypt_blocks(state, cursor_src, cursor_dst, chunksize);
|
||||
|
||||
base = chunksize & ~(MORUS640_BLOCK_SIZE - 1);
|
||||
cursor_src += base;
|
||||
cursor_dst += base;
|
||||
chunksize &= MORUS640_BLOCK_SIZE - 1;
|
||||
|
||||
if (chunksize > 0)
|
||||
ops.crypt_tail(state, cursor_src, cursor_dst,
|
||||
chunksize);
|
||||
|
||||
skcipher_walk_done(&walk, 0);
|
||||
}
|
||||
}
|
||||
|
||||
int crypto_morus640_glue_setkey(struct crypto_aead *aead, const u8 *key,
|
||||
unsigned int keylen)
|
||||
{
|
||||
struct morus640_ctx *ctx = crypto_aead_ctx(aead);
|
||||
|
||||
if (keylen != MORUS640_BLOCK_SIZE) {
|
||||
crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
memcpy(ctx->key.bytes, key, MORUS640_BLOCK_SIZE);
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(crypto_morus640_glue_setkey);
|
||||
|
||||
int crypto_morus640_glue_setauthsize(struct crypto_aead *tfm,
|
||||
unsigned int authsize)
|
||||
{
|
||||
return (authsize <= MORUS_MAX_AUTH_SIZE) ? 0 : -EINVAL;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(crypto_morus640_glue_setauthsize);
|
||||
|
||||
static void crypto_morus640_glue_crypt(struct aead_request *req,
|
||||
struct morus640_ops ops,
|
||||
unsigned int cryptlen,
|
||||
struct morus640_block *tag_xor)
|
||||
{
|
||||
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
|
||||
struct morus640_ctx *ctx = crypto_aead_ctx(tfm);
|
||||
struct morus640_state state;
|
||||
|
||||
kernel_fpu_begin();
|
||||
|
||||
ctx->ops->init(&state, &ctx->key, req->iv);
|
||||
crypto_morus640_glue_process_ad(&state, ctx->ops, req->src, req->assoclen);
|
||||
crypto_morus640_glue_process_crypt(&state, ops, req);
|
||||
ctx->ops->final(&state, tag_xor, req->assoclen, cryptlen);
|
||||
|
||||
kernel_fpu_end();
|
||||
}
|
||||
|
||||
int crypto_morus640_glue_encrypt(struct aead_request *req)
|
||||
{
|
||||
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
|
||||
struct morus640_ctx *ctx = crypto_aead_ctx(tfm);
|
||||
struct morus640_ops OPS = {
|
||||
.skcipher_walk_init = skcipher_walk_aead_encrypt,
|
||||
.crypt_blocks = ctx->ops->enc,
|
||||
.crypt_tail = ctx->ops->enc_tail,
|
||||
};
|
||||
|
||||
struct morus640_block tag = {};
|
||||
unsigned int authsize = crypto_aead_authsize(tfm);
|
||||
unsigned int cryptlen = req->cryptlen;
|
||||
|
||||
crypto_morus640_glue_crypt(req, OPS, cryptlen, &tag);
|
||||
|
||||
scatterwalk_map_and_copy(tag.bytes, req->dst,
|
||||
req->assoclen + cryptlen, authsize, 1);
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(crypto_morus640_glue_encrypt);
|
||||
|
||||
int crypto_morus640_glue_decrypt(struct aead_request *req)
|
||||
{
|
||||
static const u8 zeros[MORUS640_BLOCK_SIZE] = {};
|
||||
|
||||
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
|
||||
struct morus640_ctx *ctx = crypto_aead_ctx(tfm);
|
||||
struct morus640_ops OPS = {
|
||||
.skcipher_walk_init = skcipher_walk_aead_decrypt,
|
||||
.crypt_blocks = ctx->ops->dec,
|
||||
.crypt_tail = ctx->ops->dec_tail,
|
||||
};
|
||||
|
||||
struct morus640_block tag;
|
||||
unsigned int authsize = crypto_aead_authsize(tfm);
|
||||
unsigned int cryptlen = req->cryptlen - authsize;
|
||||
|
||||
scatterwalk_map_and_copy(tag.bytes, req->src,
|
||||
req->assoclen + cryptlen, authsize, 0);
|
||||
|
||||
crypto_morus640_glue_crypt(req, OPS, cryptlen, &tag);
|
||||
|
||||
return crypto_memneq(tag.bytes, zeros, authsize) ? -EBADMSG : 0;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(crypto_morus640_glue_decrypt);
|
||||
|
||||
void crypto_morus640_glue_init_ops(struct crypto_aead *aead,
|
||||
const struct morus640_glue_ops *ops)
|
||||
{
|
||||
struct morus640_ctx *ctx = crypto_aead_ctx(aead);
|
||||
ctx->ops = ops;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(crypto_morus640_glue_init_ops);
|
||||
|
||||
int cryptd_morus640_glue_setkey(struct crypto_aead *aead, const u8 *key,
|
||||
unsigned int keylen)
|
||||
{
|
||||
struct cryptd_aead **ctx = crypto_aead_ctx(aead);
|
||||
struct cryptd_aead *cryptd_tfm = *ctx;
|
||||
|
||||
return crypto_aead_setkey(&cryptd_tfm->base, key, keylen);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(cryptd_morus640_glue_setkey);
|
||||
|
||||
int cryptd_morus640_glue_setauthsize(struct crypto_aead *aead,
|
||||
unsigned int authsize)
|
||||
{
|
||||
struct cryptd_aead **ctx = crypto_aead_ctx(aead);
|
||||
struct cryptd_aead *cryptd_tfm = *ctx;
|
||||
|
||||
return crypto_aead_setauthsize(&cryptd_tfm->base, authsize);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(cryptd_morus640_glue_setauthsize);
|
||||
|
||||
int cryptd_morus640_glue_encrypt(struct aead_request *req)
|
||||
{
|
||||
struct crypto_aead *aead = crypto_aead_reqtfm(req);
|
||||
struct cryptd_aead **ctx = crypto_aead_ctx(aead);
|
||||
struct cryptd_aead *cryptd_tfm = *ctx;
|
||||
|
||||
aead = &cryptd_tfm->base;
|
||||
if (irq_fpu_usable() && (!in_atomic() ||
|
||||
!cryptd_aead_queued(cryptd_tfm)))
|
||||
aead = cryptd_aead_child(cryptd_tfm);
|
||||
|
||||
aead_request_set_tfm(req, aead);
|
||||
|
||||
return crypto_aead_encrypt(req);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(cryptd_morus640_glue_encrypt);
|
||||
|
||||
int cryptd_morus640_glue_decrypt(struct aead_request *req)
|
||||
{
|
||||
struct crypto_aead *aead = crypto_aead_reqtfm(req);
|
||||
struct cryptd_aead **ctx = crypto_aead_ctx(aead);
|
||||
struct cryptd_aead *cryptd_tfm = *ctx;
|
||||
|
||||
aead = &cryptd_tfm->base;
|
||||
if (irq_fpu_usable() && (!in_atomic() ||
|
||||
!cryptd_aead_queued(cryptd_tfm)))
|
||||
aead = cryptd_aead_child(cryptd_tfm);
|
||||
|
||||
aead_request_set_tfm(req, aead);
|
||||
|
||||
return crypto_aead_decrypt(req);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(cryptd_morus640_glue_decrypt);
|
||||
|
||||
int cryptd_morus640_glue_init_tfm(struct crypto_aead *aead)
|
||||
{
|
||||
struct cryptd_aead *cryptd_tfm;
|
||||
struct cryptd_aead **ctx = crypto_aead_ctx(aead);
|
||||
const char *name = crypto_aead_alg(aead)->base.cra_driver_name;
|
||||
char internal_name[CRYPTO_MAX_ALG_NAME];
|
||||
|
||||
if (snprintf(internal_name, CRYPTO_MAX_ALG_NAME, "__%s", name)
|
||||
>= CRYPTO_MAX_ALG_NAME)
|
||||
return -ENAMETOOLONG;
|
||||
|
||||
cryptd_tfm = cryptd_alloc_aead(internal_name, CRYPTO_ALG_INTERNAL,
|
||||
CRYPTO_ALG_INTERNAL);
|
||||
if (IS_ERR(cryptd_tfm))
|
||||
return PTR_ERR(cryptd_tfm);
|
||||
|
||||
*ctx = cryptd_tfm;
|
||||
crypto_aead_set_reqsize(aead, crypto_aead_reqsize(&cryptd_tfm->base));
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(cryptd_morus640_glue_init_tfm);
|
||||
|
||||
void cryptd_morus640_glue_exit_tfm(struct crypto_aead *aead)
|
||||
{
|
||||
struct cryptd_aead **ctx = crypto_aead_ctx(aead);
|
||||
|
||||
cryptd_free_aead(*ctx);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(cryptd_morus640_glue_exit_tfm);
|
||||
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_AUTHOR("Ondrej Mosnacek <omosnacek@gmail.com>");
|
||||
MODULE_DESCRIPTION("MORUS-640 AEAD mode -- glue for optimizations");
|
||||
|
|
@ -0,0 +1,137 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0 */
|
||||
/*
|
||||
* The MORUS-1280 Authenticated-Encryption Algorithm
|
||||
* Common glue skeleton -- header file
|
||||
*
|
||||
* Copyright (c) 2016-2018 Ondrej Mosnacek <omosnacek@gmail.com>
|
||||
* Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the Free
|
||||
* Software Foundation; either version 2 of the License, or (at your option)
|
||||
* any later version.
|
||||
*/
|
||||
|
||||
#ifndef _CRYPTO_MORUS1280_GLUE_H
|
||||
#define _CRYPTO_MORUS1280_GLUE_H
|
||||
|
||||
#include <linux/module.h>
|
||||
#include <linux/types.h>
|
||||
#include <crypto/algapi.h>
|
||||
#include <crypto/aead.h>
|
||||
#include <crypto/morus_common.h>
|
||||
|
||||
#define MORUS1280_WORD_SIZE 8
|
||||
#define MORUS1280_BLOCK_SIZE (MORUS_BLOCK_WORDS * MORUS1280_WORD_SIZE)
|
||||
|
||||
struct morus1280_block {
|
||||
u8 bytes[MORUS1280_BLOCK_SIZE];
|
||||
};
|
||||
|
||||
struct morus1280_glue_ops {
|
||||
void (*init)(void *state, const void *key, const void *iv);
|
||||
void (*ad)(void *state, const void *data, unsigned int length);
|
||||
void (*enc)(void *state, const void *src, void *dst, unsigned int length);
|
||||
void (*dec)(void *state, const void *src, void *dst, unsigned int length);
|
||||
void (*enc_tail)(void *state, const void *src, void *dst, unsigned int length);
|
||||
void (*dec_tail)(void *state, const void *src, void *dst, unsigned int length);
|
||||
void (*final)(void *state, void *tag_xor, u64 assoclen, u64 cryptlen);
|
||||
};
|
||||
|
||||
struct morus1280_ctx {
|
||||
const struct morus1280_glue_ops *ops;
|
||||
struct morus1280_block key;
|
||||
};
|
||||
|
||||
void crypto_morus1280_glue_init_ops(struct crypto_aead *aead,
|
||||
const struct morus1280_glue_ops *ops);
|
||||
int crypto_morus1280_glue_setkey(struct crypto_aead *aead, const u8 *key,
|
||||
unsigned int keylen);
|
||||
int crypto_morus1280_glue_setauthsize(struct crypto_aead *tfm,
|
||||
unsigned int authsize);
|
||||
int crypto_morus1280_glue_encrypt(struct aead_request *req);
|
||||
int crypto_morus1280_glue_decrypt(struct aead_request *req);
|
||||
|
||||
int cryptd_morus1280_glue_setkey(struct crypto_aead *aead, const u8 *key,
|
||||
unsigned int keylen);
|
||||
int cryptd_morus1280_glue_setauthsize(struct crypto_aead *aead,
|
||||
unsigned int authsize);
|
||||
int cryptd_morus1280_glue_encrypt(struct aead_request *req);
|
||||
int cryptd_morus1280_glue_decrypt(struct aead_request *req);
|
||||
int cryptd_morus1280_glue_init_tfm(struct crypto_aead *aead);
|
||||
void cryptd_morus1280_glue_exit_tfm(struct crypto_aead *aead);
|
||||
|
||||
#define MORUS1280_DECLARE_ALGS(id, driver_name, priority) \
|
||||
static const struct morus1280_glue_ops crypto_morus1280_##id##_ops = {\
|
||||
.init = crypto_morus1280_##id##_init, \
|
||||
.ad = crypto_morus1280_##id##_ad, \
|
||||
.enc = crypto_morus1280_##id##_enc, \
|
||||
.enc_tail = crypto_morus1280_##id##_enc_tail, \
|
||||
.dec = crypto_morus1280_##id##_dec, \
|
||||
.dec_tail = crypto_morus1280_##id##_dec_tail, \
|
||||
.final = crypto_morus1280_##id##_final, \
|
||||
}; \
|
||||
\
|
||||
static int crypto_morus1280_##id##_init_tfm(struct crypto_aead *tfm) \
|
||||
{ \
|
||||
crypto_morus1280_glue_init_ops(tfm, &crypto_morus1280_##id##_ops); \
|
||||
return 0; \
|
||||
} \
|
||||
\
|
||||
static void crypto_morus1280_##id##_exit_tfm(struct crypto_aead *tfm) \
|
||||
{ \
|
||||
} \
|
||||
\
|
||||
struct aead_alg crypto_morus1280_##id##_algs[] = {\
|
||||
{ \
|
||||
.setkey = crypto_morus1280_glue_setkey, \
|
||||
.setauthsize = crypto_morus1280_glue_setauthsize, \
|
||||
.encrypt = crypto_morus1280_glue_encrypt, \
|
||||
.decrypt = crypto_morus1280_glue_decrypt, \
|
||||
.init = crypto_morus1280_##id##_init_tfm, \
|
||||
.exit = crypto_morus1280_##id##_exit_tfm, \
|
||||
\
|
||||
.ivsize = MORUS_NONCE_SIZE, \
|
||||
.maxauthsize = MORUS_MAX_AUTH_SIZE, \
|
||||
.chunksize = MORUS1280_BLOCK_SIZE, \
|
||||
\
|
||||
.base = { \
|
||||
.cra_flags = CRYPTO_ALG_INTERNAL, \
|
||||
.cra_blocksize = 1, \
|
||||
.cra_ctxsize = sizeof(struct morus1280_ctx), \
|
||||
.cra_alignmask = 0, \
|
||||
\
|
||||
.cra_name = "__morus1280", \
|
||||
.cra_driver_name = "__"driver_name, \
|
||||
\
|
||||
.cra_module = THIS_MODULE, \
|
||||
} \
|
||||
}, { \
|
||||
.setkey = cryptd_morus1280_glue_setkey, \
|
||||
.setauthsize = cryptd_morus1280_glue_setauthsize, \
|
||||
.encrypt = cryptd_morus1280_glue_encrypt, \
|
||||
.decrypt = cryptd_morus1280_glue_decrypt, \
|
||||
.init = cryptd_morus1280_glue_init_tfm, \
|
||||
.exit = cryptd_morus1280_glue_exit_tfm, \
|
||||
\
|
||||
.ivsize = MORUS_NONCE_SIZE, \
|
||||
.maxauthsize = MORUS_MAX_AUTH_SIZE, \
|
||||
.chunksize = MORUS1280_BLOCK_SIZE, \
|
||||
\
|
||||
.base = { \
|
||||
.cra_flags = CRYPTO_ALG_ASYNC, \
|
||||
.cra_blocksize = 1, \
|
||||
.cra_ctxsize = sizeof(struct crypto_aead *), \
|
||||
.cra_alignmask = 0, \
|
||||
\
|
||||
.cra_priority = priority, \
|
||||
\
|
||||
.cra_name = "morus1280", \
|
||||
.cra_driver_name = driver_name, \
|
||||
\
|
||||
.cra_module = THIS_MODULE, \
|
||||
} \
|
||||
} \
|
||||
}
|
||||
|
||||
#endif /* _CRYPTO_MORUS1280_GLUE_H */
|
||||
|
|
@ -0,0 +1,137 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0 */
|
||||
/*
|
||||
* The MORUS-640 Authenticated-Encryption Algorithm
|
||||
* Common glue skeleton -- header file
|
||||
*
|
||||
* Copyright (c) 2016-2018 Ondrej Mosnacek <omosnacek@gmail.com>
|
||||
* Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the Free
|
||||
* Software Foundation; either version 2 of the License, or (at your option)
|
||||
* any later version.
|
||||
*/
|
||||
|
||||
#ifndef _CRYPTO_MORUS640_GLUE_H
|
||||
#define _CRYPTO_MORUS640_GLUE_H
|
||||
|
||||
#include <linux/module.h>
|
||||
#include <linux/types.h>
|
||||
#include <crypto/algapi.h>
|
||||
#include <crypto/aead.h>
|
||||
#include <crypto/morus_common.h>
|
||||
|
||||
#define MORUS640_WORD_SIZE 4
|
||||
#define MORUS640_BLOCK_SIZE (MORUS_BLOCK_WORDS * MORUS640_WORD_SIZE)
|
||||
|
||||
struct morus640_block {
|
||||
u8 bytes[MORUS640_BLOCK_SIZE];
|
||||
};
|
||||
|
||||
struct morus640_glue_ops {
|
||||
void (*init)(void *state, const void *key, const void *iv);
|
||||
void (*ad)(void *state, const void *data, unsigned int length);
|
||||
void (*enc)(void *state, const void *src, void *dst, unsigned int length);
|
||||
void (*dec)(void *state, const void *src, void *dst, unsigned int length);
|
||||
void (*enc_tail)(void *state, const void *src, void *dst, unsigned int length);
|
||||
void (*dec_tail)(void *state, const void *src, void *dst, unsigned int length);
|
||||
void (*final)(void *state, void *tag_xor, u64 assoclen, u64 cryptlen);
|
||||
};
|
||||
|
||||
struct morus640_ctx {
|
||||
const struct morus640_glue_ops *ops;
|
||||
struct morus640_block key;
|
||||
};
|
||||
|
||||
void crypto_morus640_glue_init_ops(struct crypto_aead *aead,
|
||||
const struct morus640_glue_ops *ops);
|
||||
int crypto_morus640_glue_setkey(struct crypto_aead *aead, const u8 *key,
|
||||
unsigned int keylen);
|
||||
int crypto_morus640_glue_setauthsize(struct crypto_aead *tfm,
|
||||
unsigned int authsize);
|
||||
int crypto_morus640_glue_encrypt(struct aead_request *req);
|
||||
int crypto_morus640_glue_decrypt(struct aead_request *req);
|
||||
|
||||
int cryptd_morus640_glue_setkey(struct crypto_aead *aead, const u8 *key,
|
||||
unsigned int keylen);
|
||||
int cryptd_morus640_glue_setauthsize(struct crypto_aead *aead,
|
||||
unsigned int authsize);
|
||||
int cryptd_morus640_glue_encrypt(struct aead_request *req);
|
||||
int cryptd_morus640_glue_decrypt(struct aead_request *req);
|
||||
int cryptd_morus640_glue_init_tfm(struct crypto_aead *aead);
|
||||
void cryptd_morus640_glue_exit_tfm(struct crypto_aead *aead);
|
||||
|
||||
#define MORUS640_DECLARE_ALGS(id, driver_name, priority) \
|
||||
static const struct morus640_glue_ops crypto_morus640_##id##_ops = {\
|
||||
.init = crypto_morus640_##id##_init, \
|
||||
.ad = crypto_morus640_##id##_ad, \
|
||||
.enc = crypto_morus640_##id##_enc, \
|
||||
.enc_tail = crypto_morus640_##id##_enc_tail, \
|
||||
.dec = crypto_morus640_##id##_dec, \
|
||||
.dec_tail = crypto_morus640_##id##_dec_tail, \
|
||||
.final = crypto_morus640_##id##_final, \
|
||||
}; \
|
||||
\
|
||||
static int crypto_morus640_##id##_init_tfm(struct crypto_aead *tfm) \
|
||||
{ \
|
||||
crypto_morus640_glue_init_ops(tfm, &crypto_morus640_##id##_ops); \
|
||||
return 0; \
|
||||
} \
|
||||
\
|
||||
static void crypto_morus640_##id##_exit_tfm(struct crypto_aead *tfm) \
|
||||
{ \
|
||||
} \
|
||||
\
|
||||
struct aead_alg crypto_morus640_##id##_algs[] = {\
|
||||
{ \
|
||||
.setkey = crypto_morus640_glue_setkey, \
|
||||
.setauthsize = crypto_morus640_glue_setauthsize, \
|
||||
.encrypt = crypto_morus640_glue_encrypt, \
|
||||
.decrypt = crypto_morus640_glue_decrypt, \
|
||||
.init = crypto_morus640_##id##_init_tfm, \
|
||||
.exit = crypto_morus640_##id##_exit_tfm, \
|
||||
\
|
||||
.ivsize = MORUS_NONCE_SIZE, \
|
||||
.maxauthsize = MORUS_MAX_AUTH_SIZE, \
|
||||
.chunksize = MORUS640_BLOCK_SIZE, \
|
||||
\
|
||||
.base = { \
|
||||
.cra_flags = CRYPTO_ALG_INTERNAL, \
|
||||
.cra_blocksize = 1, \
|
||||
.cra_ctxsize = sizeof(struct morus640_ctx), \
|
||||
.cra_alignmask = 0, \
|
||||
\
|
||||
.cra_name = "__morus640", \
|
||||
.cra_driver_name = "__"driver_name, \
|
||||
\
|
||||
.cra_module = THIS_MODULE, \
|
||||
} \
|
||||
}, { \
|
||||
.setkey = cryptd_morus640_glue_setkey, \
|
||||
.setauthsize = cryptd_morus640_glue_setauthsize, \
|
||||
.encrypt = cryptd_morus640_glue_encrypt, \
|
||||
.decrypt = cryptd_morus640_glue_decrypt, \
|
||||
.init = cryptd_morus640_glue_init_tfm, \
|
||||
.exit = cryptd_morus640_glue_exit_tfm, \
|
||||
\
|
||||
.ivsize = MORUS_NONCE_SIZE, \
|
||||
.maxauthsize = MORUS_MAX_AUTH_SIZE, \
|
||||
.chunksize = MORUS640_BLOCK_SIZE, \
|
||||
\
|
||||
.base = { \
|
||||
.cra_flags = CRYPTO_ALG_ASYNC, \
|
||||
.cra_blocksize = 1, \
|
||||
.cra_ctxsize = sizeof(struct crypto_aead *), \
|
||||
.cra_alignmask = 0, \
|
||||
\
|
||||
.cra_priority = priority, \
|
||||
\
|
||||
.cra_name = "morus640", \
|
||||
.cra_driver_name = driver_name, \
|
||||
\
|
||||
.cra_module = THIS_MODULE, \
|
||||
} \
|
||||
} \
|
||||
}
|
||||
|
||||
#endif /* _CRYPTO_MORUS640_GLUE_H */
|
||||
Loading…
Reference in New Issue