help
Support for the MORUS-640 dedicated AEAD algorithm.
+config CRYPTO_MORUS640_GLUE
+ tristate "MORUS-640 AEAD algorithm (glue for SIMD optimizations)"
+ select CRYPTO_AEAD
+ select CRYPTO_CRYPTD
+ help
+ Common glue for SIMD optimizations of the MORUS-640 dedicated AEAD
+ algorithm.
+
config CRYPTO_MORUS1280
tristate "MORUS-1280 AEAD algorithm"
select CRYPTO_AEAD
help
Support for the MORUS-1280 dedicated AEAD algorithm.
+config CRYPTO_MORUS1280_GLUE
+ tristate "MORUS-1280 AEAD algorithm (glue for SIMD optimizations)"
+ select CRYPTO_AEAD
+ select CRYPTO_CRYPTD
+ help
+ Common glue for SIMD optimizations of the MORUS-1280 dedicated AEAD
+ algorithm.
+
config CRYPTO_SEQIV
tristate "Sequence Number IV Generator"
select CRYPTO_AEAD
obj-$(CONFIG_CRYPTO_AEGIS256) += aegis256.o
obj-$(CONFIG_CRYPTO_MORUS640) += morus640.o
obj-$(CONFIG_CRYPTO_MORUS1280) += morus1280.o
+obj-$(CONFIG_CRYPTO_MORUS640_GLUE) += morus640_glue.o
+obj-$(CONFIG_CRYPTO_MORUS1280_GLUE) += morus1280_glue.o
obj-$(CONFIG_CRYPTO_PCRYPT) += pcrypt.o
obj-$(CONFIG_CRYPTO_CRYPTD) += cryptd.o
obj-$(CONFIG_CRYPTO_MCRYPTD) += mcryptd.o
--- /dev/null
+/*
+ * The MORUS-1280 Authenticated-Encryption Algorithm
+ * Common glue skeleton
+ *
+ * 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.
+ */
+
+#include <crypto/cryptd.h>
+#include <crypto/internal/aead.h>
+#include <crypto/internal/skcipher.h>
+#include <crypto/morus1280_glue.h>
+#include <crypto/scatterwalk.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/scatterlist.h>
+#include <asm/fpu/api.h>
+
+struct morus1280_state {
+ struct morus1280_block s[MORUS_STATE_BLOCKS];
+};
+
+struct morus1280_ops {
+ int (*skcipher_walk_init)(struct skcipher_walk *walk,
+ struct aead_request *req, bool atomic);
+
+ void (*crypt_blocks)(void *state, const void *src, void *dst,
+ unsigned int length);
+ void (*crypt_tail)(void *state, const void *src, void *dst,
+ unsigned int length);
+};
+
+static void crypto_morus1280_glue_process_ad(
+ struct morus1280_state *state,
+ const struct morus1280_glue_ops *ops,
+ struct scatterlist *sg_src, unsigned int assoclen)
+{
+ struct scatter_walk walk;
+ struct morus1280_block buf;
+ unsigned int pos = 0;
+
+ scatterwalk_start(&walk, sg_src);
+ while (assoclen != 0) {
+ unsigned int size = scatterwalk_clamp(&walk, assoclen);
+ unsigned int left = size;
+ void *mapped = scatterwalk_map(&walk);
+ const u8 *src = (const u8 *)mapped;
+
+ if (pos + size >= MORUS1280_BLOCK_SIZE) {
+ if (pos > 0) {
+ unsigned int fill = MORUS1280_BLOCK_SIZE - pos;
+ memcpy(buf.bytes + pos, src, fill);
+ ops->ad(state, buf.bytes, MORUS1280_BLOCK_SIZE);
+ pos = 0;
+ left -= fill;
+ src += fill;
+ }
+
+ ops->ad(state, src, left);
+ src += left & ~(MORUS1280_BLOCK_SIZE - 1);
+ left &= MORUS1280_BLOCK_SIZE - 1;
+ }
+
+ memcpy(buf.bytes + pos, src, left);
+
+ pos += left;
+ assoclen -= size;
+ scatterwalk_unmap(mapped);
+ scatterwalk_advance(&walk, size);
+ scatterwalk_done(&walk, 0, assoclen);
+ }
+
+ if (pos > 0) {
+ memset(buf.bytes + pos, 0, MORUS1280_BLOCK_SIZE - pos);
+ ops->ad(state, buf.bytes, MORUS1280_BLOCK_SIZE);
+ }
+}
+
+static void crypto_morus1280_glue_process_crypt(struct morus1280_state *state,
+ struct morus1280_ops ops,
+ struct aead_request *req)
+{
+ struct skcipher_walk walk;
+ 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 & ~(MORUS1280_BLOCK_SIZE - 1);
+ cursor_src += base;
+ cursor_dst += base;
+ chunksize &= MORUS1280_BLOCK_SIZE - 1;
+
+ if (chunksize > 0)
+ ops.crypt_tail(state, cursor_src, cursor_dst,
+ chunksize);
+
+ skcipher_walk_done(&walk, 0);
+ }
+}
+
+int crypto_morus1280_glue_setkey(struct crypto_aead *aead, const u8 *key,
+ unsigned int keylen)
+{
+ struct morus1280_ctx *ctx = crypto_aead_ctx(aead);
+
+ if (keylen == MORUS1280_BLOCK_SIZE) {
+ memcpy(ctx->key.bytes, key, MORUS1280_BLOCK_SIZE);
+ } else if (keylen == MORUS1280_BLOCK_SIZE / 2) {
+ memcpy(ctx->key.bytes, key, keylen);
+ memcpy(ctx->key.bytes + keylen, key, keylen);
+ } else {
+ crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(crypto_morus1280_glue_setkey);
+
+int crypto_morus1280_glue_setauthsize(struct crypto_aead *tfm,
+ unsigned int authsize)
+{
+ return (authsize <= MORUS_MAX_AUTH_SIZE) ? 0 : -EINVAL;
+}
+EXPORT_SYMBOL_GPL(crypto_morus1280_glue_setauthsize);
+
+static void crypto_morus1280_glue_crypt(struct aead_request *req,
+ struct morus1280_ops ops,
+ unsigned int cryptlen,
+ struct morus1280_block *tag_xor)
+{
+ struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+ struct morus1280_ctx *ctx = crypto_aead_ctx(tfm);
+ struct morus1280_state state;
+
+ kernel_fpu_begin();
+
+ ctx->ops->init(&state, &ctx->key, req->iv);
+ crypto_morus1280_glue_process_ad(&state, ctx->ops, req->src, req->assoclen);
+ crypto_morus1280_glue_process_crypt(&state, ops, req);
+ ctx->ops->final(&state, tag_xor, req->assoclen, cryptlen);
+
+ kernel_fpu_end();
+}
+
+int crypto_morus1280_glue_encrypt(struct aead_request *req)
+{
+ struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+ struct morus1280_ctx *ctx = crypto_aead_ctx(tfm);
+ struct morus1280_ops OPS = {
+ .skcipher_walk_init = skcipher_walk_aead_encrypt,
+ .crypt_blocks = ctx->ops->enc,
+ .crypt_tail = ctx->ops->enc_tail,
+ };
+
+ struct morus1280_block tag = {};
+ unsigned int authsize = crypto_aead_authsize(tfm);
+ unsigned int cryptlen = req->cryptlen;
+
+ crypto_morus1280_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_morus1280_glue_encrypt);
+
+int crypto_morus1280_glue_decrypt(struct aead_request *req)
+{
+ static const u8 zeros[MORUS1280_BLOCK_SIZE] = {};
+
+ struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+ struct morus1280_ctx *ctx = crypto_aead_ctx(tfm);
+ struct morus1280_ops OPS = {
+ .skcipher_walk_init = skcipher_walk_aead_decrypt,
+ .crypt_blocks = ctx->ops->dec,
+ .crypt_tail = ctx->ops->dec_tail,
+ };
+
+ struct morus1280_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_morus1280_glue_crypt(req, OPS, cryptlen, &tag);
+
+ return crypto_memneq(tag.bytes, zeros, authsize) ? -EBADMSG : 0;
+}
+EXPORT_SYMBOL_GPL(crypto_morus1280_glue_decrypt);
+
+void crypto_morus1280_glue_init_ops(struct crypto_aead *aead,
+ const struct morus1280_glue_ops *ops)
+{
+ struct morus1280_ctx *ctx = crypto_aead_ctx(aead);
+ ctx->ops = ops;
+}
+EXPORT_SYMBOL_GPL(crypto_morus1280_glue_init_ops);
+
+int cryptd_morus1280_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_morus1280_glue_setkey);
+
+int cryptd_morus1280_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_morus1280_glue_setauthsize);
+
+int cryptd_morus1280_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_morus1280_glue_encrypt);
+
+int cryptd_morus1280_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_morus1280_glue_decrypt);
+
+int cryptd_morus1280_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_morus1280_glue_init_tfm);
+
+void cryptd_morus1280_glue_exit_tfm(struct crypto_aead *aead)
+{
+ struct cryptd_aead **ctx = crypto_aead_ctx(aead);
+
+ cryptd_free_aead(*ctx);
+}
+EXPORT_SYMBOL_GPL(cryptd_morus1280_glue_exit_tfm);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Ondrej Mosnacek <omosnacek@gmail.com>");
+MODULE_DESCRIPTION("MORUS-1280 AEAD mode -- glue for optimizations");
--- /dev/null
+/*
+ * The MORUS-640 Authenticated-Encryption Algorithm
+ * Common glue skeleton
+ *
+ * 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.
+ */
+
+#include <crypto/cryptd.h>
+#include <crypto/internal/aead.h>
+#include <crypto/internal/skcipher.h>
+#include <crypto/morus640_glue.h>
+#include <crypto/scatterwalk.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/scatterlist.h>
+#include <asm/fpu/api.h>
+
+struct morus640_state {
+ struct morus640_block s[MORUS_STATE_BLOCKS];
+};
+
+struct morus640_ops {
+ int (*skcipher_walk_init)(struct skcipher_walk *walk,
+ struct aead_request *req, bool atomic);
+
+ void (*crypt_blocks)(void *state, const void *src, void *dst,
+ unsigned int length);
+ void (*crypt_tail)(void *state, const void *src, void *dst,
+ unsigned int length);
+};
+
+static void crypto_morus640_glue_process_ad(
+ struct morus640_state *state,
+ const struct morus640_glue_ops *ops,
+ struct scatterlist *sg_src, unsigned int assoclen)
+{
+ struct scatter_walk walk;
+ struct morus640_block buf;
+ unsigned int pos = 0;
+
+ scatterwalk_start(&walk, sg_src);
+ while (assoclen != 0) {
+ unsigned int size = scatterwalk_clamp(&walk, assoclen);
+ unsigned int left = size;
+ void *mapped = scatterwalk_map(&walk);
+ const u8 *src = (const u8 *)mapped;
+
+ if (pos + size >= MORUS640_BLOCK_SIZE) {
+ if (pos > 0) {
+ unsigned int fill = MORUS640_BLOCK_SIZE - pos;
+ memcpy(buf.bytes + pos, src, fill);
+ ops->ad(state, buf.bytes, MORUS640_BLOCK_SIZE);
+ pos = 0;
+ left -= fill;
+ src += fill;
+ }
+
+ ops->ad(state, src, left);
+ src += left & ~(MORUS640_BLOCK_SIZE - 1);
+ left &= MORUS640_BLOCK_SIZE - 1;
+ }
+
+ memcpy(buf.bytes + pos, src, left);
+
+ pos += left;
+ assoclen -= size;
+ scatterwalk_unmap(mapped);
+ scatterwalk_advance(&walk, size);
+ scatterwalk_done(&walk, 0, assoclen);
+ }
+
+ if (pos > 0) {
+ memset(buf.bytes + pos, 0, MORUS640_BLOCK_SIZE - pos);
+ ops->ad(state, buf.bytes, MORUS640_BLOCK_SIZE);
+ }
+}
+
+static void crypto_morus640_glue_process_crypt(struct morus640_state *state,
+ struct morus640_ops ops,
+ struct aead_request *req)
+{
+ struct skcipher_walk walk;
+ 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");
--- /dev/null
+/* 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 */
--- /dev/null
+/* 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 */
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