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-rw-r--r--target/linux/generic/backport-5.4/080-wireguard-0023-crypto-blake2s-implement-generic-shash-driver.patch245
1 files changed, 0 insertions, 245 deletions
diff --git a/target/linux/generic/backport-5.4/080-wireguard-0023-crypto-blake2s-implement-generic-shash-driver.patch b/target/linux/generic/backport-5.4/080-wireguard-0023-crypto-blake2s-implement-generic-shash-driver.patch
deleted file mode 100644
index e25edf5dda..0000000000
--- a/target/linux/generic/backport-5.4/080-wireguard-0023-crypto-blake2s-implement-generic-shash-driver.patch
+++ /dev/null
@@ -1,245 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Ard Biesheuvel <ardb@kernel.org>
-Date: Fri, 8 Nov 2019 13:22:30 +0100
-Subject: [PATCH] crypto: blake2s - implement generic shash driver
-
-commit 7f9b0880925f1f9d7d59504ea0892d2ae9cfc233 upstream.
-
-Wire up our newly added Blake2s implementation via the shash API.
-
-Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
-Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
----
- crypto/Kconfig | 18 ++++
- crypto/Makefile | 1 +
- crypto/blake2s_generic.c | 171 ++++++++++++++++++++++++++++++
- include/crypto/internal/blake2s.h | 5 +
- 4 files changed, 195 insertions(+)
- create mode 100644 crypto/blake2s_generic.c
-
---- a/crypto/Kconfig
-+++ b/crypto/Kconfig
-@@ -639,6 +639,24 @@ config CRYPTO_XXHASH
- xxHash non-cryptographic hash algorithm. Extremely fast, working at
- speeds close to RAM limits.
-
-+config CRYPTO_BLAKE2S
-+ tristate "BLAKE2s digest algorithm"
-+ select CRYPTO_LIB_BLAKE2S_GENERIC
-+ select CRYPTO_HASH
-+ help
-+ Implementation of cryptographic hash function BLAKE2s
-+ optimized for 8-32bit platforms and can produce digests of any size
-+ between 1 to 32. The keyed hash is also implemented.
-+
-+ This module provides the following algorithms:
-+
-+ - blake2s-128
-+ - blake2s-160
-+ - blake2s-224
-+ - blake2s-256
-+
-+ See https://blake2.net for further information.
-+
- config CRYPTO_CRCT10DIF
- tristate "CRCT10DIF algorithm"
- select CRYPTO_HASH
---- a/crypto/Makefile
-+++ b/crypto/Makefile
-@@ -74,6 +74,7 @@ obj-$(CONFIG_CRYPTO_STREEBOG) += streebo
- obj-$(CONFIG_CRYPTO_WP512) += wp512.o
- CFLAGS_wp512.o := $(call cc-option,-fno-schedule-insns) # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79149
- obj-$(CONFIG_CRYPTO_TGR192) += tgr192.o
-+obj-$(CONFIG_CRYPTO_BLAKE2S) += blake2s_generic.o
- obj-$(CONFIG_CRYPTO_GF128MUL) += gf128mul.o
- obj-$(CONFIG_CRYPTO_ECB) += ecb.o
- obj-$(CONFIG_CRYPTO_CBC) += cbc.o
---- /dev/null
-+++ b/crypto/blake2s_generic.c
-@@ -0,0 +1,171 @@
-+// SPDX-License-Identifier: GPL-2.0 OR MIT
-+/*
-+ * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
-+ */
-+
-+#include <crypto/internal/blake2s.h>
-+#include <crypto/internal/simd.h>
-+#include <crypto/internal/hash.h>
-+
-+#include <linux/types.h>
-+#include <linux/jump_label.h>
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+
-+static int crypto_blake2s_setkey(struct crypto_shash *tfm, const u8 *key,
-+ unsigned int keylen)
-+{
-+ struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(tfm);
-+
-+ if (keylen == 0 || keylen > BLAKE2S_KEY_SIZE) {
-+ crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
-+ return -EINVAL;
-+ }
-+
-+ memcpy(tctx->key, key, keylen);
-+ tctx->keylen = keylen;
-+
-+ return 0;
-+}
-+
-+static int crypto_blake2s_init(struct shash_desc *desc)
-+{
-+ struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
-+ struct blake2s_state *state = shash_desc_ctx(desc);
-+ const int outlen = crypto_shash_digestsize(desc->tfm);
-+
-+ if (tctx->keylen)
-+ blake2s_init_key(state, outlen, tctx->key, tctx->keylen);
-+ else
-+ blake2s_init(state, outlen);
-+
-+ return 0;
-+}
-+
-+static int crypto_blake2s_update(struct shash_desc *desc, const u8 *in,
-+ unsigned int inlen)
-+{
-+ struct blake2s_state *state = shash_desc_ctx(desc);
-+ const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen;
-+
-+ if (unlikely(!inlen))
-+ return 0;
-+ if (inlen > fill) {
-+ memcpy(state->buf + state->buflen, in, fill);
-+ blake2s_compress_generic(state, state->buf, 1, BLAKE2S_BLOCK_SIZE);
-+ state->buflen = 0;
-+ in += fill;
-+ inlen -= fill;
-+ }
-+ if (inlen > BLAKE2S_BLOCK_SIZE) {
-+ const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2S_BLOCK_SIZE);
-+ /* Hash one less (full) block than strictly possible */
-+ blake2s_compress_generic(state, in, nblocks - 1, BLAKE2S_BLOCK_SIZE);
-+ in += BLAKE2S_BLOCK_SIZE * (nblocks - 1);
-+ inlen -= BLAKE2S_BLOCK_SIZE * (nblocks - 1);
-+ }
-+ memcpy(state->buf + state->buflen, in, inlen);
-+ state->buflen += inlen;
-+
-+ return 0;
-+}
-+
-+static int crypto_blake2s_final(struct shash_desc *desc, u8 *out)
-+{
-+ struct blake2s_state *state = shash_desc_ctx(desc);
-+
-+ blake2s_set_lastblock(state);
-+ memset(state->buf + state->buflen, 0,
-+ BLAKE2S_BLOCK_SIZE - state->buflen); /* Padding */
-+ blake2s_compress_generic(state, state->buf, 1, state->buflen);
-+ cpu_to_le32_array(state->h, ARRAY_SIZE(state->h));
-+ memcpy(out, state->h, state->outlen);
-+ memzero_explicit(state, sizeof(*state));
-+
-+ return 0;
-+}
-+
-+static struct shash_alg blake2s_algs[] = {{
-+ .base.cra_name = "blake2s-128",
-+ .base.cra_driver_name = "blake2s-128-generic",
-+ .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
-+ .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx),
-+ .base.cra_priority = 200,
-+ .base.cra_blocksize = BLAKE2S_BLOCK_SIZE,
-+ .base.cra_module = THIS_MODULE,
-+
-+ .digestsize = BLAKE2S_128_HASH_SIZE,
-+ .setkey = crypto_blake2s_setkey,
-+ .init = crypto_blake2s_init,
-+ .update = crypto_blake2s_update,
-+ .final = crypto_blake2s_final,
-+ .descsize = sizeof(struct blake2s_state),
-+}, {
-+ .base.cra_name = "blake2s-160",
-+ .base.cra_driver_name = "blake2s-160-generic",
-+ .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
-+ .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx),
-+ .base.cra_priority = 200,
-+ .base.cra_blocksize = BLAKE2S_BLOCK_SIZE,
-+ .base.cra_module = THIS_MODULE,
-+
-+ .digestsize = BLAKE2S_160_HASH_SIZE,
-+ .setkey = crypto_blake2s_setkey,
-+ .init = crypto_blake2s_init,
-+ .update = crypto_blake2s_update,
-+ .final = crypto_blake2s_final,
-+ .descsize = sizeof(struct blake2s_state),
-+}, {
-+ .base.cra_name = "blake2s-224",
-+ .base.cra_driver_name = "blake2s-224-generic",
-+ .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
-+ .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx),
-+ .base.cra_priority = 200,
-+ .base.cra_blocksize = BLAKE2S_BLOCK_SIZE,
-+ .base.cra_module = THIS_MODULE,
-+
-+ .digestsize = BLAKE2S_224_HASH_SIZE,
-+ .setkey = crypto_blake2s_setkey,
-+ .init = crypto_blake2s_init,
-+ .update = crypto_blake2s_update,
-+ .final = crypto_blake2s_final,
-+ .descsize = sizeof(struct blake2s_state),
-+}, {
-+ .base.cra_name = "blake2s-256",
-+ .base.cra_driver_name = "blake2s-256-generic",
-+ .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
-+ .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx),
-+ .base.cra_priority = 200,
-+ .base.cra_blocksize = BLAKE2S_BLOCK_SIZE,
-+ .base.cra_module = THIS_MODULE,
-+
-+ .digestsize = BLAKE2S_256_HASH_SIZE,
-+ .setkey = crypto_blake2s_setkey,
-+ .init = crypto_blake2s_init,
-+ .update = crypto_blake2s_update,
-+ .final = crypto_blake2s_final,
-+ .descsize = sizeof(struct blake2s_state),
-+}};
-+
-+static int __init blake2s_mod_init(void)
-+{
-+ return crypto_register_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs));
-+}
-+
-+static void __exit blake2s_mod_exit(void)
-+{
-+ crypto_unregister_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs));
-+}
-+
-+subsys_initcall(blake2s_mod_init);
-+module_exit(blake2s_mod_exit);
-+
-+MODULE_ALIAS_CRYPTO("blake2s-128");
-+MODULE_ALIAS_CRYPTO("blake2s-128-generic");
-+MODULE_ALIAS_CRYPTO("blake2s-160");
-+MODULE_ALIAS_CRYPTO("blake2s-160-generic");
-+MODULE_ALIAS_CRYPTO("blake2s-224");
-+MODULE_ALIAS_CRYPTO("blake2s-224-generic");
-+MODULE_ALIAS_CRYPTO("blake2s-256");
-+MODULE_ALIAS_CRYPTO("blake2s-256-generic");
-+MODULE_LICENSE("GPL v2");
---- a/include/crypto/internal/blake2s.h
-+++ b/include/crypto/internal/blake2s.h
-@@ -5,6 +5,11 @@
-
- #include <crypto/blake2s.h>
-
-+struct blake2s_tfm_ctx {
-+ u8 key[BLAKE2S_KEY_SIZE];
-+ unsigned int keylen;
-+};
-+
- void blake2s_compress_generic(struct blake2s_state *state,const u8 *block,
- size_t nblocks, const u32 inc);
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 22:58:19 +0000