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-rw-r--r--crypto/blake2b_generic.c192
1 files changed, 0 insertions, 192 deletions
diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c
deleted file mode 100644
index 60f056217510..000000000000
--- a/crypto/blake2b_generic.c
+++ /dev/null
@@ -1,192 +0,0 @@
-// SPDX-License-Identifier: (GPL-2.0-only OR Apache-2.0)
-/*
- * Generic implementation of the BLAKE2b digest algorithm. Based on the BLAKE2b
- * reference implementation, but it has been heavily modified for use in the
- * kernel. The reference implementation was:
- *
- * Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under
- * the terms of the CC0, the OpenSSL Licence, or the Apache Public License
- * 2.0, at your option. The terms of these licenses can be found at:
- *
- * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- * - OpenSSL license : https://www.openssl.org/source/license.html
- * - Apache 2.0 : https://www.apache.org/licenses/LICENSE-2.0
- *
- * More information about BLAKE2 can be found at https://blake2.net.
- */
-
-#include <crypto/internal/blake2b.h>
-#include <crypto/internal/hash.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
-#include <linux/unaligned.h>
-
-static const u8 blake2b_sigma[12][16] = {
- { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
- { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 },
- { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 },
- { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 },
- { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 },
- { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 },
- { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 },
- { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 },
- { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 },
- { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0 },
- { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
- { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 }
-};
-
-static void blake2b_increment_counter(struct blake2b_state *S, const u64 inc)
-{
- S->t[0] += inc;
- S->t[1] += (S->t[0] < inc);
-}
-
-#define G(r,i,a,b,c,d) \
- do { \
- a = a + b + m[blake2b_sigma[r][2*i+0]]; \
- d = ror64(d ^ a, 32); \
- c = c + d; \
- b = ror64(b ^ c, 24); \
- a = a + b + m[blake2b_sigma[r][2*i+1]]; \
- d = ror64(d ^ a, 16); \
- c = c + d; \
- b = ror64(b ^ c, 63); \
- } while (0)
-
-#define ROUND(r) \
- do { \
- G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \
- G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \
- G(r,2,v[ 2],v[ 6],v[10],v[14]); \
- G(r,3,v[ 3],v[ 7],v[11],v[15]); \
- G(r,4,v[ 0],v[ 5],v[10],v[15]); \
- G(r,5,v[ 1],v[ 6],v[11],v[12]); \
- G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \
- G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \
- } while (0)
-
-static void blake2b_compress_one_generic(struct blake2b_state *S,
- const u8 block[BLAKE2B_BLOCK_SIZE])
-{
- u64 m[16];
- u64 v[16];
- size_t i;
-
- for (i = 0; i < 16; ++i)
- m[i] = get_unaligned_le64(block + i * sizeof(m[i]));
-
- for (i = 0; i < 8; ++i)
- v[i] = S->h[i];
-
- v[ 8] = BLAKE2B_IV0;
- v[ 9] = BLAKE2B_IV1;
- v[10] = BLAKE2B_IV2;
- v[11] = BLAKE2B_IV3;
- v[12] = BLAKE2B_IV4 ^ S->t[0];
- v[13] = BLAKE2B_IV5 ^ S->t[1];
- v[14] = BLAKE2B_IV6 ^ S->f[0];
- v[15] = BLAKE2B_IV7 ^ S->f[1];
-
- ROUND(0);
- ROUND(1);
- ROUND(2);
- ROUND(3);
- ROUND(4);
- ROUND(5);
- ROUND(6);
- ROUND(7);
- ROUND(8);
- ROUND(9);
- ROUND(10);
- ROUND(11);
-#ifdef CONFIG_CC_IS_CLANG
-#pragma nounroll /* https://llvm.org/pr45803 */
-#endif
- for (i = 0; i < 8; ++i)
- S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];
-}
-
-#undef G
-#undef ROUND
-
-static void blake2b_compress_generic(struct blake2b_state *state,
- const u8 *block, size_t nblocks, u32 inc)
-{
- do {
- blake2b_increment_counter(state, inc);
- blake2b_compress_one_generic(state, block);
- block += BLAKE2B_BLOCK_SIZE;
- } while (--nblocks);
-}
-
-static int crypto_blake2b_update_generic(struct shash_desc *desc,
- const u8 *in, unsigned int inlen)
-{
- return crypto_blake2b_update_bo(desc, in, inlen,
- blake2b_compress_generic);
-}
-
-static int crypto_blake2b_finup_generic(struct shash_desc *desc, const u8 *in,
- unsigned int inlen, u8 *out)
-{
- return crypto_blake2b_finup(desc, in, inlen, out,
- blake2b_compress_generic);
-}
-
-#define BLAKE2B_ALG(name, driver_name, digest_size) \
- { \
- .base.cra_name = name, \
- .base.cra_driver_name = driver_name, \
- .base.cra_priority = 100, \
- .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY | \
- CRYPTO_AHASH_ALG_BLOCK_ONLY | \
- CRYPTO_AHASH_ALG_FINAL_NONZERO, \
- .base.cra_blocksize = BLAKE2B_BLOCK_SIZE, \
- .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), \
- .base.cra_module = THIS_MODULE, \
- .digestsize = digest_size, \
- .setkey = crypto_blake2b_setkey, \
- .init = crypto_blake2b_init, \
- .update = crypto_blake2b_update_generic, \
- .finup = crypto_blake2b_finup_generic, \
- .descsize = BLAKE2B_DESC_SIZE, \
- .statesize = BLAKE2B_STATE_SIZE, \
- }
-
-static struct shash_alg blake2b_algs[] = {
- BLAKE2B_ALG("blake2b-160", "blake2b-160-generic",
- BLAKE2B_160_HASH_SIZE),
- BLAKE2B_ALG("blake2b-256", "blake2b-256-generic",
- BLAKE2B_256_HASH_SIZE),
- BLAKE2B_ALG("blake2b-384", "blake2b-384-generic",
- BLAKE2B_384_HASH_SIZE),
- BLAKE2B_ALG("blake2b-512", "blake2b-512-generic",
- BLAKE2B_512_HASH_SIZE),
-};
-
-static int __init blake2b_mod_init(void)
-{
- return crypto_register_shashes(blake2b_algs, ARRAY_SIZE(blake2b_algs));
-}
-
-static void __exit blake2b_mod_fini(void)
-{
- crypto_unregister_shashes(blake2b_algs, ARRAY_SIZE(blake2b_algs));
-}
-
-module_init(blake2b_mod_init);
-module_exit(blake2b_mod_fini);
-
-MODULE_AUTHOR("David Sterba <kdave@kernel.org>");
-MODULE_DESCRIPTION("BLAKE2b generic implementation");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_CRYPTO("blake2b-160");
-MODULE_ALIAS_CRYPTO("blake2b-160-generic");
-MODULE_ALIAS_CRYPTO("blake2b-256");
-MODULE_ALIAS_CRYPTO("blake2b-256-generic");
-MODULE_ALIAS_CRYPTO("blake2b-384");
-MODULE_ALIAS_CRYPTO("blake2b-384-generic");
-MODULE_ALIAS_CRYPTO("blake2b-512");
-MODULE_ALIAS_CRYPTO("blake2b-512-generic");
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-03 22:49:13 +0000