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-rw-r--r--linux/crypto/api.c114
-rw-r--r--linux/crypto/chacha20_generic.c111
-rw-r--r--linux/crypto/poly1305_generic.c88
-rw-r--r--linux/crypto/sha256_generic.c81
4 files changed, 0 insertions, 394 deletions
diff --git a/linux/crypto/api.c b/linux/crypto/api.c
deleted file mode 100644
index 2f3ab2b5..00000000
--- a/linux/crypto/api.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Cryptographic API for algorithms (i.e., low-level API).
- *
- * Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
- *
- * 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 <linux/device.h>
-#include <linux/err.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/rwsem.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-
-#include <crypto/algapi.h>
-
-static LIST_HEAD(crypto_alg_list);
-static DECLARE_RWSEM(crypto_alg_sem);
-
-struct crypto_type {
-};
-
-int crypto_register_alg(struct crypto_alg *alg)
-{
- down_write(&crypto_alg_sem);
- list_add(&alg->cra_list, &crypto_alg_list);
- up_write(&crypto_alg_sem);
-
- return 0;
-}
-
-static void *crypto_alloc_tfm(const char *name,
- const struct crypto_type *type)
-{
- struct crypto_alg *alg;
-
- down_read(&crypto_alg_sem);
- list_for_each_entry(alg, &crypto_alg_list, cra_list)
- if (alg->cra_type == type && !strcmp(alg->cra_name, name))
- goto found;
-
- alg = ERR_PTR(-ENOENT);
-found:
- up_read(&crypto_alg_sem);
-
- if (IS_ERR(alg))
- return ERR_CAST(alg);
-
- return alg->alloc_tfm() ?: ERR_PTR(-ENOMEM);
-}
-
-/* skcipher: */
-
-static const struct crypto_type crypto_skcipher_type2 = {
-};
-
-struct crypto_skcipher *crypto_alloc_skcipher(const char *name,
- u32 type, u32 mask)
-{
- return crypto_alloc_tfm(name, &crypto_skcipher_type2);
-}
-
-int crypto_register_skcipher(struct skcipher_alg *alg)
-{
- alg->base.cra_type = &crypto_skcipher_type2;
-
- return crypto_register_alg(&alg->base);
-}
-
-/* shash: */
-
-#include <crypto/hash.h>
-
-static int shash_finup(struct shash_desc *desc, const u8 *data,
- unsigned len, u8 *out)
-{
- return crypto_shash_update(desc, data, len) ?:
- crypto_shash_final(desc, out);
-}
-
-static int shash_digest(struct shash_desc *desc, const u8 *data,
- unsigned len, u8 *out)
-{
- return crypto_shash_init(desc) ?:
- crypto_shash_finup(desc, data, len, out);
-}
-
-static const struct crypto_type crypto_shash_type = {
-};
-
-struct crypto_shash *crypto_alloc_shash(const char *name,
- u32 type, u32 mask)
-{
- return crypto_alloc_tfm(name, &crypto_shash_type);
-}
-
-int crypto_register_shash(struct shash_alg *alg)
-{
- alg->base.cra_type = &crypto_shash_type;
-
- if (!alg->finup)
- alg->finup = shash_finup;
- if (!alg->digest)
- alg->digest = shash_digest;
-
- return crypto_register_alg(&alg->base);
-}
diff --git a/linux/crypto/chacha20_generic.c b/linux/crypto/chacha20_generic.c
deleted file mode 100644
index 914189e7..00000000
--- a/linux/crypto/chacha20_generic.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * ChaCha20 256-bit cipher algorithm, RFC7539
- *
- * Copyright (C) 2015 Martin Willi
- *
- * 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 <linux/byteorder.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/scatterlist.h>
-#include <asm/unaligned.h>
-
-#include <linux/crypto.h>
-#include <crypto/algapi.h>
-#include <crypto/chacha.h>
-#include <crypto/skcipher.h>
-
-#include <sodium/crypto_stream_chacha20.h>
-
-static struct skcipher_alg alg;
-
-struct chacha20_tfm {
- struct crypto_skcipher tfm;
- u32 key[8];
-};
-
-static int crypto_chacha20_setkey(struct crypto_skcipher *tfm, const u8 *key,
- unsigned int keysize)
-{
- struct chacha20_tfm *ctx =
- container_of(tfm, struct chacha20_tfm, tfm);
- int i;
-
- if (keysize != CHACHA_KEY_SIZE)
- return -EINVAL;
-
- for (i = 0; i < ARRAY_SIZE(ctx->key); i++)
- ctx->key[i] = get_unaligned_le32(key + i * sizeof(u32));
-
- return 0;
-}
-
-static int crypto_chacha20_crypt(struct skcipher_request *req)
-{
- struct chacha20_tfm *ctx =
- container_of(req->tfm, struct chacha20_tfm, tfm.base);
- struct scatterlist *sg = req->src;
- unsigned nbytes = req->cryptlen;
- u32 iv[4];
- int ret;
-
- BUG_ON(req->src != req->dst);
-
- memcpy(iv, req->iv, sizeof(iv));
-
- while (1) {
- ret = crypto_stream_chacha20_xor_ic(sg_virt(sg),
- sg_virt(sg),
- sg->length,
- (void *) &iv[2],
- iv[0] | ((u64) iv[1] << 32),
- (void *) ctx->key);
- BUG_ON(ret);
-
- nbytes -= sg->length;
-
- if (sg_is_last(sg))
- break;
-
- BUG_ON(sg->length % CHACHA_BLOCK_SIZE);
- iv[0] += sg->length / CHACHA_BLOCK_SIZE;
- sg = sg_next(sg);
- };
-
- BUG_ON(nbytes);
-
- return 0;
-}
-
-static void *crypto_chacha20_alloc_tfm(void)
-{
- struct chacha20_tfm *tfm = kzalloc(sizeof(*tfm), GFP_KERNEL);
-
- if (!tfm)
- return NULL;
-
- tfm->tfm.base.alg = &alg.base;
- tfm->tfm.setkey = crypto_chacha20_setkey;
- tfm->tfm.encrypt = crypto_chacha20_crypt;
- tfm->tfm.decrypt = crypto_chacha20_crypt;
- tfm->tfm.ivsize = CHACHA_IV_SIZE;
- tfm->tfm.keysize = CHACHA_KEY_SIZE;
-
- return tfm;
-}
-
-static struct skcipher_alg alg = {
- .base.cra_name = "chacha20",
- .base.alloc_tfm = crypto_chacha20_alloc_tfm,
-};
-
-__attribute__((constructor(110)))
-static int chacha20_generic_mod_init(void)
-{
- return crypto_register_skcipher(&alg);
-}
diff --git a/linux/crypto/poly1305_generic.c b/linux/crypto/poly1305_generic.c
deleted file mode 100644
index acb554c0..00000000
--- a/linux/crypto/poly1305_generic.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Poly1305 authenticator algorithm, RFC7539
- *
- * Copyright (C) 2015 Martin Willi
- *
- * Based on public domain code by Andrew Moon and Daniel J. Bernstein.
- *
- * 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 <linux/byteorder.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <asm/unaligned.h>
-
-#include <linux/crypto.h>
-#include <crypto/algapi.h>
-#include <crypto/hash.h>
-#include <crypto/poly1305.h>
-
-static struct shash_alg poly1305_alg;
-
-struct poly1305_desc_ctx {
- bool key_done;
- crypto_onetimeauth_poly1305_state s;
-};
-
-static int poly1305_init(struct shash_desc *desc)
-{
- struct poly1305_desc_ctx *state = (void *) desc->ctx;
-
- state->key_done = false;
- return 0;
-}
-
-static int poly1305_update(struct shash_desc *desc,
- const u8 *src, unsigned len)
-{
- struct poly1305_desc_ctx *state = (void *) desc->ctx;
-
- if (!state->key_done) {
- BUG_ON(len != crypto_onetimeauth_poly1305_KEYBYTES);
-
- state->key_done = true;
- return crypto_onetimeauth_poly1305_init(&state->s, src);
- }
-
- return crypto_onetimeauth_poly1305_update(&state->s, src, len);
-}
-
-static int poly1305_final(struct shash_desc *desc, u8 *out)
-{
- struct poly1305_desc_ctx *state = (void *) desc->ctx;
-
- return crypto_onetimeauth_poly1305_final(&state->s, out);
-}
-
-static void *poly1305_alloc_tfm(void)
-{
- struct crypto_shash *tfm = kzalloc(sizeof(*tfm), GFP_KERNEL);
-
- if (!tfm)
- return NULL;
-
- tfm->base.alg = &poly1305_alg.base;
- tfm->descsize = sizeof(struct poly1305_desc_ctx);
- return tfm;
-}
-
-static struct shash_alg poly1305_alg = {
- .digestsize = crypto_onetimeauth_poly1305_BYTES,
- .init = poly1305_init,
- .update = poly1305_update,
- .final = poly1305_final,
- .descsize = sizeof(struct poly1305_desc_ctx),
-
- .base.cra_name = "poly1305",
- .base.alloc_tfm = poly1305_alloc_tfm,
-};
-
-__attribute__((constructor(110)))
-static int poly1305_mod_init(void)
-{
- return crypto_register_shash(&poly1305_alg);
-}
diff --git a/linux/crypto/sha256_generic.c b/linux/crypto/sha256_generic.c
deleted file mode 100644
index 9326bfe7..00000000
--- a/linux/crypto/sha256_generic.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Cryptographic API.
- *
- * SHA-256, as specified in
- * http://csrc.nist.gov/groups/STM/cavp/documents/shs/sha256-384-512.pdf
- *
- * SHA-256 code by Jean-Luc Cooke <jlcooke@certainkey.com>.
- *
- * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com>
- * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
- * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
- * SHA224 Support Copyright 2007 Intel Corporation <jonathan.lynch@intel.com>
- *
- * 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 <linux/bitops.h>
-#include <linux/byteorder.h>
-#include <linux/types.h>
-#include <asm/unaligned.h>
-
-#include <linux/crypto.h>
-#include <crypto/hash.h>
-
-#include <sodium/crypto_hash_sha256.h>
-
-static struct shash_alg sha256_alg;
-
-static int sha256_init(struct shash_desc *desc)
-{
- crypto_hash_sha256_state *state = (void *) desc->ctx;
-
- return crypto_hash_sha256_init(state);
-}
-
-static int sha256_update(struct shash_desc *desc, const u8 *data,
- unsigned int len)
-{
- crypto_hash_sha256_state *state = (void *) desc->ctx;
-
- return crypto_hash_sha256_update(state, data, len);
-}
-
-static int sha256_final(struct shash_desc *desc, u8 *out)
-{
- crypto_hash_sha256_state *state = (void *) desc->ctx;
-
- return crypto_hash_sha256_final(state, out);
-}
-
-static void *sha256_alloc_tfm(void)
-{
- struct crypto_shash *tfm = kzalloc(sizeof(*tfm), GFP_KERNEL);
-
- if (!tfm)
- return NULL;
-
- tfm->base.alg = &sha256_alg.base;
- tfm->descsize = sizeof(crypto_hash_sha256_state);
- return tfm;
-}
-
-static struct shash_alg sha256_alg = {
- .digestsize = crypto_hash_sha256_BYTES,
- .init = sha256_init,
- .update = sha256_update,
- .final = sha256_final,
- .descsize = sizeof(crypto_hash_sha256_state),
- .base.cra_name = "sha256",
- .base.alloc_tfm = sha256_alloc_tfm,
-};
-
-__attribute__((constructor(110)))
-static int __init sha256_generic_mod_init(void)
-{
- return crypto_register_shash(&sha256_alg);
-}