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linux_dsm_epyc7002/crypto/rmd320.c
Linus Torvalds 4d2fa8b44b Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 
Pull crypto updates from Herbert Xu:
 "Here is the crypto update for 5.3:

  API:
   - Test shash interface directly in testmgr
   - cra_driver_name is now mandatory

  Algorithms:
   - Replace arc4 crypto_cipher with library helper
   - Implement 5 way interleave for ECB, CBC and CTR on arm64
   - Add xxhash
   - Add continuous self-test on noise source to drbg
   - Update jitter RNG

  Drivers:
   - Add support for SHA204A random number generator
   - Add support for 7211 in iproc-rng200
   - Fix fuzz test failures in inside-secure
   - Fix fuzz test failures in talitos
   - Fix fuzz test failures in qat"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (143 commits)
  crypto: stm32/hash - remove interruptible condition for dma
  crypto: stm32/hash - Fix hmac issue more than 256 bytes
  crypto: stm32/crc32 - rename driver file
  crypto: amcc - remove memset after dma_alloc_coherent
  crypto: ccp - Switch to SPDX license identifiers
  crypto: ccp - Validate the the error value used to index error messages
  crypto: doc - Fix formatting of new crypto engine content
  crypto: doc - Add parameter documentation
  crypto: arm64/aes-ce - implement 5 way interleave for ECB, CBC and CTR
  crypto: arm64/aes-ce - add 5 way interleave routines
  crypto: talitos - drop icv_ool
  crypto: talitos - fix hash on SEC1.
  crypto: talitos - move struct talitos_edesc into talitos.h
  lib/scatterlist: Fix mapping iterator when sg->offset is greater than PAGE_SIZE
  crypto/NX: Set receive window credits to max number of CRBs in RxFIFO
  crypto: asymmetric_keys - select CRYPTO_HASH where needed
  crypto: serpent - mark __serpent_setkey_sbox noinline
  crypto: testmgr - dynamically allocate crypto_shash
  crypto: testmgr - dynamically allocate testvec_config
  crypto: talitos - eliminate unneeded 'done' functions at build time
  ...
2019-07-08 20:57:08 -07:00

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Cryptographic API.
*
* RIPEMD-320 - RACE Integrity Primitives Evaluation Message Digest.
*
* Based on the reference implementation by Antoon Bosselaers, ESAT-COSIC
*
* Copyright (c) 2008 Adrian-Ken Rueegsegger <ken@codelabs.ch>
*/
#include <crypto/internal/hash.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/types.h>
#include <asm/byteorder.h>
#include "ripemd.h"
struct rmd320_ctx {
u64 byte_count;
u32 state[10];
__le32 buffer[16];
};
#define K1 RMD_K1
#define K2 RMD_K2
#define K3 RMD_K3
#define K4 RMD_K4
#define K5 RMD_K5
#define KK1 RMD_K6
#define KK2 RMD_K7
#define KK3 RMD_K8
#define KK4 RMD_K9
#define KK5 RMD_K1
#define F1(x, y, z) (x ^ y ^ z) /* XOR */
#define F2(x, y, z) (z ^ (x & (y ^ z))) /* x ? y : z */
#define F3(x, y, z) ((x | ~y) ^ z)
#define F4(x, y, z) (y ^ (z & (x ^ y))) /* z ? x : y */
#define F5(x, y, z) (x ^ (y | ~z))
#define ROUND(a, b, c, d, e, f, k, x, s) { \
(a) += f((b), (c), (d)) + le32_to_cpup(&(x)) + (k); \
(a) = rol32((a), (s)) + (e); \
(c) = rol32((c), 10); \
}
static void rmd320_transform(u32 *state, const __le32 *in)
{
u32 aa, bb, cc, dd, ee, aaa, bbb, ccc, ddd, eee;
/* Initialize left lane */
aa = state[0];
bb = state[1];
cc = state[2];
dd = state[3];
ee = state[4];
/* Initialize right lane */
aaa = state[5];
bbb = state[6];
ccc = state[7];
ddd = state[8];
eee = state[9];
/* round 1: left lane */
ROUND(aa, bb, cc, dd, ee, F1, K1, in[0], 11);
ROUND(ee, aa, bb, cc, dd, F1, K1, in[1], 14);
ROUND(dd, ee, aa, bb, cc, F1, K1, in[2], 15);
ROUND(cc, dd, ee, aa, bb, F1, K1, in[3], 12);
ROUND(bb, cc, dd, ee, aa, F1, K1, in[4], 5);
ROUND(aa, bb, cc, dd, ee, F1, K1, in[5], 8);
ROUND(ee, aa, bb, cc, dd, F1, K1, in[6], 7);
ROUND(dd, ee, aa, bb, cc, F1, K1, in[7], 9);
ROUND(cc, dd, ee, aa, bb, F1, K1, in[8], 11);
ROUND(bb, cc, dd, ee, aa, F1, K1, in[9], 13);
ROUND(aa, bb, cc, dd, ee, F1, K1, in[10], 14);
ROUND(ee, aa, bb, cc, dd, F1, K1, in[11], 15);
ROUND(dd, ee, aa, bb, cc, F1, K1, in[12], 6);
ROUND(cc, dd, ee, aa, bb, F1, K1, in[13], 7);
ROUND(bb, cc, dd, ee, aa, F1, K1, in[14], 9);
ROUND(aa, bb, cc, dd, ee, F1, K1, in[15], 8);
/* round 1: right lane */
ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[5], 8);
ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[14], 9);
ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[7], 9);
ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[0], 11);
ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[9], 13);
ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[2], 15);
ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[11], 15);
ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[4], 5);
ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[13], 7);
ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[6], 7);
ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[15], 8);
ROUND(eee, aaa, bbb, ccc, ddd, F5, KK1, in[8], 11);
ROUND(ddd, eee, aaa, bbb, ccc, F5, KK1, in[1], 14);
ROUND(ccc, ddd, eee, aaa, bbb, F5, KK1, in[10], 14);
ROUND(bbb, ccc, ddd, eee, aaa, F5, KK1, in[3], 12);
ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[12], 6);
/* Swap contents of "a" registers */
swap(aa, aaa);
/* round 2: left lane" */
ROUND(ee, aa, bb, cc, dd, F2, K2, in[7], 7);
ROUND(dd, ee, aa, bb, cc, F2, K2, in[4], 6);
ROUND(cc, dd, ee, aa, bb, F2, K2, in[13], 8);
ROUND(bb, cc, dd, ee, aa, F2, K2, in[1], 13);
ROUND(aa, bb, cc, dd, ee, F2, K2, in[10], 11);
ROUND(ee, aa, bb, cc, dd, F2, K2, in[6], 9);
ROUND(dd, ee, aa, bb, cc, F2, K2, in[15], 7);
ROUND(cc, dd, ee, aa, bb, F2, K2, in[3], 15);
ROUND(bb, cc, dd, ee, aa, F2, K2, in[12], 7);
ROUND(aa, bb, cc, dd, ee, F2, K2, in[0], 12);
ROUND(ee, aa, bb, cc, dd, F2, K2, in[9], 15);
ROUND(dd, ee, aa, bb, cc, F2, K2, in[5], 9);
ROUND(cc, dd, ee, aa, bb, F2, K2, in[2], 11);
ROUND(bb, cc, dd, ee, aa, F2, K2, in[14], 7);
ROUND(aa, bb, cc, dd, ee, F2, K2, in[11], 13);
ROUND(ee, aa, bb, cc, dd, F2, K2, in[8], 12);
/* round 2: right lane */
ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[6], 9);
ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[11], 13);
ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[3], 15);
ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[7], 7);
ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[0], 12);
ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[13], 8);
ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[5], 9);
ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[10], 11);
ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[14], 7);
ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[15], 7);
ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[8], 12);
ROUND(ddd, eee, aaa, bbb, ccc, F4, KK2, in[12], 7);
ROUND(ccc, ddd, eee, aaa, bbb, F4, KK2, in[4], 6);
ROUND(bbb, ccc, ddd, eee, aaa, F4, KK2, in[9], 15);
ROUND(aaa, bbb, ccc, ddd, eee, F4, KK2, in[1], 13);
ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[2], 11);
/* Swap contents of "b" registers */
swap(bb, bbb);
/* round 3: left lane" */
ROUND(dd, ee, aa, bb, cc, F3, K3, in[3], 11);
ROUND(cc, dd, ee, aa, bb, F3, K3, in[10], 13);
ROUND(bb, cc, dd, ee, aa, F3, K3, in[14], 6);
ROUND(aa, bb, cc, dd, ee, F3, K3, in[4], 7);
ROUND(ee, aa, bb, cc, dd, F3, K3, in[9], 14);
ROUND(dd, ee, aa, bb, cc, F3, K3, in[15], 9);
ROUND(cc, dd, ee, aa, bb, F3, K3, in[8], 13);
ROUND(bb, cc, dd, ee, aa, F3, K3, in[1], 15);
ROUND(aa, bb, cc, dd, ee, F3, K3, in[2], 14);
ROUND(ee, aa, bb, cc, dd, F3, K3, in[7], 8);
ROUND(dd, ee, aa, bb, cc, F3, K3, in[0], 13);
ROUND(cc, dd, ee, aa, bb, F3, K3, in[6], 6);
ROUND(bb, cc, dd, ee, aa, F3, K3, in[13], 5);
ROUND(aa, bb, cc, dd, ee, F3, K3, in[11], 12);
ROUND(ee, aa, bb, cc, dd, F3, K3, in[5], 7);
ROUND(dd, ee, aa, bb, cc, F3, K3, in[12], 5);
/* round 3: right lane */
ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[15], 9);
ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[5], 7);
ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[1], 15);
ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[3], 11);
ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[7], 8);
ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[14], 6);
ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[6], 6);
ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[9], 14);
ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[11], 12);
ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[8], 13);
ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[12], 5);
ROUND(ccc, ddd, eee, aaa, bbb, F3, KK3, in[2], 14);
ROUND(bbb, ccc, ddd, eee, aaa, F3, KK3, in[10], 13);
ROUND(aaa, bbb, ccc, ddd, eee, F3, KK3, in[0], 13);
ROUND(eee, aaa, bbb, ccc, ddd, F3, KK3, in[4], 7);
ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[13], 5);
/* Swap contents of "c" registers */
swap(cc, ccc);
/* round 4: left lane" */
ROUND(cc, dd, ee, aa, bb, F4, K4, in[1], 11);
ROUND(bb, cc, dd, ee, aa, F4, K4, in[9], 12);
ROUND(aa, bb, cc, dd, ee, F4, K4, in[11], 14);
ROUND(ee, aa, bb, cc, dd, F4, K4, in[10], 15);
ROUND(dd, ee, aa, bb, cc, F4, K4, in[0], 14);
ROUND(cc, dd, ee, aa, bb, F4, K4, in[8], 15);
ROUND(bb, cc, dd, ee, aa, F4, K4, in[12], 9);
ROUND(aa, bb, cc, dd, ee, F4, K4, in[4], 8);
ROUND(ee, aa, bb, cc, dd, F4, K4, in[13], 9);
ROUND(dd, ee, aa, bb, cc, F4, K4, in[3], 14);
ROUND(cc, dd, ee, aa, bb, F4, K4, in[7], 5);
ROUND(bb, cc, dd, ee, aa, F4, K4, in[15], 6);
ROUND(aa, bb, cc, dd, ee, F4, K4, in[14], 8);
ROUND(ee, aa, bb, cc, dd, F4, K4, in[5], 6);
ROUND(dd, ee, aa, bb, cc, F4, K4, in[6], 5);
ROUND(cc, dd, ee, aa, bb, F4, K4, in[2], 12);
/* round 4: right lane */
ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[8], 15);
ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[6], 5);
ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[4], 8);
ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[1], 11);
ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[3], 14);
ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[11], 14);
ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[15], 6);
ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[0], 14);
ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[5], 6);
ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[12], 9);
ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[2], 12);
ROUND(bbb, ccc, ddd, eee, aaa, F2, KK4, in[13], 9);
ROUND(aaa, bbb, ccc, ddd, eee, F2, KK4, in[9], 12);
ROUND(eee, aaa, bbb, ccc, ddd, F2, KK4, in[7], 5);
ROUND(ddd, eee, aaa, bbb, ccc, F2, KK4, in[10], 15);
ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[14], 8);
/* Swap contents of "d" registers */
swap(dd, ddd);
/* round 5: left lane" */
ROUND(bb, cc, dd, ee, aa, F5, K5, in[4], 9);
ROUND(aa, bb, cc, dd, ee, F5, K5, in[0], 15);
ROUND(ee, aa, bb, cc, dd, F5, K5, in[5], 5);
ROUND(dd, ee, aa, bb, cc, F5, K5, in[9], 11);
ROUND(cc, dd, ee, aa, bb, F5, K5, in[7], 6);
ROUND(bb, cc, dd, ee, aa, F5, K5, in[12], 8);
ROUND(aa, bb, cc, dd, ee, F5, K5, in[2], 13);
ROUND(ee, aa, bb, cc, dd, F5, K5, in[10], 12);
ROUND(dd, ee, aa, bb, cc, F5, K5, in[14], 5);
ROUND(cc, dd, ee, aa, bb, F5, K5, in[1], 12);
ROUND(bb, cc, dd, ee, aa, F5, K5, in[3], 13);
ROUND(aa, bb, cc, dd, ee, F5, K5, in[8], 14);
ROUND(ee, aa, bb, cc, dd, F5, K5, in[11], 11);
ROUND(dd, ee, aa, bb, cc, F5, K5, in[6], 8);
ROUND(cc, dd, ee, aa, bb, F5, K5, in[15], 5);
ROUND(bb, cc, dd, ee, aa, F5, K5, in[13], 6);
/* round 5: right lane */
ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[12], 8);
ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[15], 5);
ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[10], 12);
ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[4], 9);
ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[1], 12);
ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[5], 5);
ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[8], 14);
ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[7], 6);
ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[6], 8);
ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[2], 13);
ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[13], 6);
ROUND(aaa, bbb, ccc, ddd, eee, F1, KK5, in[14], 5);
ROUND(eee, aaa, bbb, ccc, ddd, F1, KK5, in[0], 15);
ROUND(ddd, eee, aaa, bbb, ccc, F1, KK5, in[3], 13);
ROUND(ccc, ddd, eee, aaa, bbb, F1, KK5, in[9], 11);
ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[11], 11);
/* Swap contents of "e" registers */
swap(ee, eee);
/* combine results */
state[0] += aa;
state[1] += bb;
state[2] += cc;
state[3] += dd;
state[4] += ee;
state[5] += aaa;
state[6] += bbb;
state[7] += ccc;
state[8] += ddd;
state[9] += eee;
}
static int rmd320_init(struct shash_desc *desc)
{
struct rmd320_ctx *rctx = shash_desc_ctx(desc);
rctx->byte_count = 0;
rctx->state[0] = RMD_H0;
rctx->state[1] = RMD_H1;
rctx->state[2] = RMD_H2;
rctx->state[3] = RMD_H3;
rctx->state[4] = RMD_H4;
rctx->state[5] = RMD_H5;
rctx->state[6] = RMD_H6;
rctx->state[7] = RMD_H7;
rctx->state[8] = RMD_H8;
rctx->state[9] = RMD_H9;
memset(rctx->buffer, 0, sizeof(rctx->buffer));
return 0;
}
static int rmd320_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
{
struct rmd320_ctx *rctx = shash_desc_ctx(desc);
const u32 avail = sizeof(rctx->buffer) - (rctx->byte_count & 0x3f);
rctx->byte_count += len;
/* Enough space in buffer? If so copy and we're done */
if (avail > len) {
memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
data, len);
goto out;
}
memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
data, avail);
rmd320_transform(rctx->state, rctx->buffer);
data += avail;
len -= avail;
while (len >= sizeof(rctx->buffer)) {
memcpy(rctx->buffer, data, sizeof(rctx->buffer));
rmd320_transform(rctx->state, rctx->buffer);
data += sizeof(rctx->buffer);
len -= sizeof(rctx->buffer);
}
memcpy(rctx->buffer, data, len);
out:
return 0;
}
/* Add padding and return the message digest. */
static int rmd320_final(struct shash_desc *desc, u8 *out)
{
struct rmd320_ctx *rctx = shash_desc_ctx(desc);
u32 i, index, padlen;
__le64 bits;
__le32 *dst = (__le32 *)out;
static const u8 padding[64] = { 0x80, };
bits = cpu_to_le64(rctx->byte_count << 3);
/* Pad out to 56 mod 64 */
index = rctx->byte_count & 0x3f;
padlen = (index < 56) ? (56 - index) : ((64+56) - index);
rmd320_update(desc, padding, padlen);
/* Append length */
rmd320_update(desc, (const u8 *)&bits, sizeof(bits));
/* Store state in digest */
for (i = 0; i < 10; i++)
dst[i] = cpu_to_le32p(&rctx->state[i]);
/* Wipe context */
memset(rctx, 0, sizeof(*rctx));
return 0;
}
static struct shash_alg alg = {
.digestsize = RMD320_DIGEST_SIZE,
.init = rmd320_init,
.update = rmd320_update,
.final = rmd320_final,
.descsize = sizeof(struct rmd320_ctx),
.base = {
.cra_name = "rmd320",
.cra_driver_name = "rmd320-generic",
.cra_blocksize = RMD320_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
};
static int __init rmd320_mod_init(void)
{
return crypto_register_shash(&alg);
}
static void __exit rmd320_mod_fini(void)
{
crypto_unregister_shash(&alg);
}
subsys_initcall(rmd320_mod_init);
module_exit(rmd320_mod_fini);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Adrian-Ken Rueegsegger <ken@codelabs.ch>");
MODULE_DESCRIPTION("RIPEMD-320 Message Digest");
MODULE_ALIAS_CRYPTO("rmd320");
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