mirror of
https://github.com/torvalds/linux.git
synced 2024-11-18 01:51:53 +00:00
8d7c56d08f
Based on 1 normalized pattern(s): 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 or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 11 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190520170858.370933192@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
231 lines
7.8 KiB
C
231 lines
7.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/* SHA-512 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) 2003 Kyle McMartin <kyle@debian.org>
|
|
*/
|
|
#include <crypto/internal/hash.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/init.h>
|
|
#include <linux/crypto.h>
|
|
#include <linux/types.h>
|
|
#include <crypto/sha.h>
|
|
#include <crypto/sha512_base.h>
|
|
#include <linux/percpu.h>
|
|
#include <asm/byteorder.h>
|
|
#include <asm/unaligned.h>
|
|
|
|
const u8 sha384_zero_message_hash[SHA384_DIGEST_SIZE] = {
|
|
0x38, 0xb0, 0x60, 0xa7, 0x51, 0xac, 0x96, 0x38,
|
|
0x4c, 0xd9, 0x32, 0x7e, 0xb1, 0xb1, 0xe3, 0x6a,
|
|
0x21, 0xfd, 0xb7, 0x11, 0x14, 0xbe, 0x07, 0x43,
|
|
0x4c, 0x0c, 0xc7, 0xbf, 0x63, 0xf6, 0xe1, 0xda,
|
|
0x27, 0x4e, 0xde, 0xbf, 0xe7, 0x6f, 0x65, 0xfb,
|
|
0xd5, 0x1a, 0xd2, 0xf1, 0x48, 0x98, 0xb9, 0x5b
|
|
};
|
|
EXPORT_SYMBOL_GPL(sha384_zero_message_hash);
|
|
|
|
const u8 sha512_zero_message_hash[SHA512_DIGEST_SIZE] = {
|
|
0xcf, 0x83, 0xe1, 0x35, 0x7e, 0xef, 0xb8, 0xbd,
|
|
0xf1, 0x54, 0x28, 0x50, 0xd6, 0x6d, 0x80, 0x07,
|
|
0xd6, 0x20, 0xe4, 0x05, 0x0b, 0x57, 0x15, 0xdc,
|
|
0x83, 0xf4, 0xa9, 0x21, 0xd3, 0x6c, 0xe9, 0xce,
|
|
0x47, 0xd0, 0xd1, 0x3c, 0x5d, 0x85, 0xf2, 0xb0,
|
|
0xff, 0x83, 0x18, 0xd2, 0x87, 0x7e, 0xec, 0x2f,
|
|
0x63, 0xb9, 0x31, 0xbd, 0x47, 0x41, 0x7a, 0x81,
|
|
0xa5, 0x38, 0x32, 0x7a, 0xf9, 0x27, 0xda, 0x3e
|
|
};
|
|
EXPORT_SYMBOL_GPL(sha512_zero_message_hash);
|
|
|
|
static inline u64 Ch(u64 x, u64 y, u64 z)
|
|
{
|
|
return z ^ (x & (y ^ z));
|
|
}
|
|
|
|
static inline u64 Maj(u64 x, u64 y, u64 z)
|
|
{
|
|
return (x & y) | (z & (x | y));
|
|
}
|
|
|
|
static const u64 sha512_K[80] = {
|
|
0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, 0xb5c0fbcfec4d3b2fULL,
|
|
0xe9b5dba58189dbbcULL, 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL,
|
|
0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, 0xd807aa98a3030242ULL,
|
|
0x12835b0145706fbeULL, 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL,
|
|
0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, 0x9bdc06a725c71235ULL,
|
|
0xc19bf174cf692694ULL, 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL,
|
|
0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, 0x2de92c6f592b0275ULL,
|
|
0x4a7484aa6ea6e483ULL, 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL,
|
|
0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL, 0xb00327c898fb213fULL,
|
|
0xbf597fc7beef0ee4ULL, 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL,
|
|
0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, 0x27b70a8546d22ffcULL,
|
|
0x2e1b21385c26c926ULL, 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL,
|
|
0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, 0x81c2c92e47edaee6ULL,
|
|
0x92722c851482353bULL, 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL,
|
|
0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, 0xd192e819d6ef5218ULL,
|
|
0xd69906245565a910ULL, 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL,
|
|
0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, 0x2748774cdf8eeb99ULL,
|
|
0x34b0bcb5e19b48a8ULL, 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL,
|
|
0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL, 0x748f82ee5defb2fcULL,
|
|
0x78a5636f43172f60ULL, 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL,
|
|
0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, 0xbef9a3f7b2c67915ULL,
|
|
0xc67178f2e372532bULL, 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL,
|
|
0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, 0x06f067aa72176fbaULL,
|
|
0x0a637dc5a2c898a6ULL, 0x113f9804bef90daeULL, 0x1b710b35131c471bULL,
|
|
0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, 0x3c9ebe0a15c9bebcULL,
|
|
0x431d67c49c100d4cULL, 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL,
|
|
0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL,
|
|
};
|
|
|
|
#define e0(x) (ror64(x,28) ^ ror64(x,34) ^ ror64(x,39))
|
|
#define e1(x) (ror64(x,14) ^ ror64(x,18) ^ ror64(x,41))
|
|
#define s0(x) (ror64(x, 1) ^ ror64(x, 8) ^ (x >> 7))
|
|
#define s1(x) (ror64(x,19) ^ ror64(x,61) ^ (x >> 6))
|
|
|
|
static inline void LOAD_OP(int I, u64 *W, const u8 *input)
|
|
{
|
|
W[I] = get_unaligned_be64((__u64 *)input + I);
|
|
}
|
|
|
|
static inline void BLEND_OP(int I, u64 *W)
|
|
{
|
|
W[I & 15] += s1(W[(I-2) & 15]) + W[(I-7) & 15] + s0(W[(I-15) & 15]);
|
|
}
|
|
|
|
static void
|
|
sha512_transform(u64 *state, const u8 *input)
|
|
{
|
|
u64 a, b, c, d, e, f, g, h, t1, t2;
|
|
|
|
int i;
|
|
u64 W[16];
|
|
|
|
/* load the state into our registers */
|
|
a=state[0]; b=state[1]; c=state[2]; d=state[3];
|
|
e=state[4]; f=state[5]; g=state[6]; h=state[7];
|
|
|
|
/* now iterate */
|
|
for (i=0; i<80; i+=8) {
|
|
if (!(i & 8)) {
|
|
int j;
|
|
|
|
if (i < 16) {
|
|
/* load the input */
|
|
for (j = 0; j < 16; j++)
|
|
LOAD_OP(i + j, W, input);
|
|
} else {
|
|
for (j = 0; j < 16; j++) {
|
|
BLEND_OP(i + j, W);
|
|
}
|
|
}
|
|
}
|
|
|
|
t1 = h + e1(e) + Ch(e,f,g) + sha512_K[i ] + W[(i & 15)];
|
|
t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2;
|
|
t1 = g + e1(d) + Ch(d,e,f) + sha512_K[i+1] + W[(i & 15) + 1];
|
|
t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2;
|
|
t1 = f + e1(c) + Ch(c,d,e) + sha512_K[i+2] + W[(i & 15) + 2];
|
|
t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2;
|
|
t1 = e + e1(b) + Ch(b,c,d) + sha512_K[i+3] + W[(i & 15) + 3];
|
|
t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2;
|
|
t1 = d + e1(a) + Ch(a,b,c) + sha512_K[i+4] + W[(i & 15) + 4];
|
|
t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2;
|
|
t1 = c + e1(h) + Ch(h,a,b) + sha512_K[i+5] + W[(i & 15) + 5];
|
|
t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2;
|
|
t1 = b + e1(g) + Ch(g,h,a) + sha512_K[i+6] + W[(i & 15) + 6];
|
|
t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2;
|
|
t1 = a + e1(f) + Ch(f,g,h) + sha512_K[i+7] + W[(i & 15) + 7];
|
|
t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
|
|
}
|
|
|
|
state[0] += a; state[1] += b; state[2] += c; state[3] += d;
|
|
state[4] += e; state[5] += f; state[6] += g; state[7] += h;
|
|
|
|
/* erase our data */
|
|
a = b = c = d = e = f = g = h = t1 = t2 = 0;
|
|
}
|
|
|
|
static void sha512_generic_block_fn(struct sha512_state *sst, u8 const *src,
|
|
int blocks)
|
|
{
|
|
while (blocks--) {
|
|
sha512_transform(sst->state, src);
|
|
src += SHA512_BLOCK_SIZE;
|
|
}
|
|
}
|
|
|
|
int crypto_sha512_update(struct shash_desc *desc, const u8 *data,
|
|
unsigned int len)
|
|
{
|
|
return sha512_base_do_update(desc, data, len, sha512_generic_block_fn);
|
|
}
|
|
EXPORT_SYMBOL(crypto_sha512_update);
|
|
|
|
static int sha512_final(struct shash_desc *desc, u8 *hash)
|
|
{
|
|
sha512_base_do_finalize(desc, sha512_generic_block_fn);
|
|
return sha512_base_finish(desc, hash);
|
|
}
|
|
|
|
int crypto_sha512_finup(struct shash_desc *desc, const u8 *data,
|
|
unsigned int len, u8 *hash)
|
|
{
|
|
sha512_base_do_update(desc, data, len, sha512_generic_block_fn);
|
|
return sha512_final(desc, hash);
|
|
}
|
|
EXPORT_SYMBOL(crypto_sha512_finup);
|
|
|
|
static struct shash_alg sha512_algs[2] = { {
|
|
.digestsize = SHA512_DIGEST_SIZE,
|
|
.init = sha512_base_init,
|
|
.update = crypto_sha512_update,
|
|
.final = sha512_final,
|
|
.finup = crypto_sha512_finup,
|
|
.descsize = sizeof(struct sha512_state),
|
|
.base = {
|
|
.cra_name = "sha512",
|
|
.cra_driver_name = "sha512-generic",
|
|
.cra_priority = 100,
|
|
.cra_blocksize = SHA512_BLOCK_SIZE,
|
|
.cra_module = THIS_MODULE,
|
|
}
|
|
}, {
|
|
.digestsize = SHA384_DIGEST_SIZE,
|
|
.init = sha384_base_init,
|
|
.update = crypto_sha512_update,
|
|
.final = sha512_final,
|
|
.finup = crypto_sha512_finup,
|
|
.descsize = sizeof(struct sha512_state),
|
|
.base = {
|
|
.cra_name = "sha384",
|
|
.cra_driver_name = "sha384-generic",
|
|
.cra_priority = 100,
|
|
.cra_blocksize = SHA384_BLOCK_SIZE,
|
|
.cra_module = THIS_MODULE,
|
|
}
|
|
} };
|
|
|
|
static int __init sha512_generic_mod_init(void)
|
|
{
|
|
return crypto_register_shashes(sha512_algs, ARRAY_SIZE(sha512_algs));
|
|
}
|
|
|
|
static void __exit sha512_generic_mod_fini(void)
|
|
{
|
|
crypto_unregister_shashes(sha512_algs, ARRAY_SIZE(sha512_algs));
|
|
}
|
|
|
|
subsys_initcall(sha512_generic_mod_init);
|
|
module_exit(sha512_generic_mod_fini);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DESCRIPTION("SHA-512 and SHA-384 Secure Hash Algorithms");
|
|
|
|
MODULE_ALIAS_CRYPTO("sha384");
|
|
MODULE_ALIAS_CRYPTO("sha384-generic");
|
|
MODULE_ALIAS_CRYPTO("sha512");
|
|
MODULE_ALIAS_CRYPTO("sha512-generic");
|