mirror of
https://github.com/edk2-porting/linux-next.git
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4d2fa8b44b
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 ...
343 lines
10 KiB
C
343 lines
10 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Cryptographic API.
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*
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* RIPEMD-256 - RACE Integrity Primitives Evaluation Message Digest.
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*
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* Based on the reference implementation by Antoon Bosselaers, ESAT-COSIC
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*
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* Copyright (c) 2008 Adrian-Ken Rueegsegger <ken@codelabs.ch>
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*/
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#include <crypto/internal/hash.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/mm.h>
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#include <linux/types.h>
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#include <asm/byteorder.h>
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#include "ripemd.h"
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struct rmd256_ctx {
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u64 byte_count;
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u32 state[8];
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__le32 buffer[16];
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};
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#define K1 RMD_K1
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#define K2 RMD_K2
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#define K3 RMD_K3
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#define K4 RMD_K4
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#define KK1 RMD_K6
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#define KK2 RMD_K7
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#define KK3 RMD_K8
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#define KK4 RMD_K1
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#define F1(x, y, z) (x ^ y ^ z) /* XOR */
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#define F2(x, y, z) (z ^ (x & (y ^ z))) /* x ? y : z */
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#define F3(x, y, z) ((x | ~y) ^ z)
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#define F4(x, y, z) (y ^ (z & (x ^ y))) /* z ? x : y */
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#define ROUND(a, b, c, d, f, k, x, s) { \
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(a) += f((b), (c), (d)) + le32_to_cpup(&(x)) + (k); \
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(a) = rol32((a), (s)); \
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}
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static void rmd256_transform(u32 *state, const __le32 *in)
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{
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u32 aa, bb, cc, dd, aaa, bbb, ccc, ddd;
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/* Initialize left lane */
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aa = state[0];
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bb = state[1];
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cc = state[2];
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dd = state[3];
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/* Initialize right lane */
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aaa = state[4];
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bbb = state[5];
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ccc = state[6];
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ddd = state[7];
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/* round 1: left lane */
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ROUND(aa, bb, cc, dd, F1, K1, in[0], 11);
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ROUND(dd, aa, bb, cc, F1, K1, in[1], 14);
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ROUND(cc, dd, aa, bb, F1, K1, in[2], 15);
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ROUND(bb, cc, dd, aa, F1, K1, in[3], 12);
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ROUND(aa, bb, cc, dd, F1, K1, in[4], 5);
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ROUND(dd, aa, bb, cc, F1, K1, in[5], 8);
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ROUND(cc, dd, aa, bb, F1, K1, in[6], 7);
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ROUND(bb, cc, dd, aa, F1, K1, in[7], 9);
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ROUND(aa, bb, cc, dd, F1, K1, in[8], 11);
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ROUND(dd, aa, bb, cc, F1, K1, in[9], 13);
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ROUND(cc, dd, aa, bb, F1, K1, in[10], 14);
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ROUND(bb, cc, dd, aa, F1, K1, in[11], 15);
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ROUND(aa, bb, cc, dd, F1, K1, in[12], 6);
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ROUND(dd, aa, bb, cc, F1, K1, in[13], 7);
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ROUND(cc, dd, aa, bb, F1, K1, in[14], 9);
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ROUND(bb, cc, dd, aa, F1, K1, in[15], 8);
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/* round 1: right lane */
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ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[5], 8);
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ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[14], 9);
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ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[7], 9);
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ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[0], 11);
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ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[9], 13);
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ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[2], 15);
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ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[11], 15);
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ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[4], 5);
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ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[13], 7);
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ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[6], 7);
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ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[15], 8);
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ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[8], 11);
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ROUND(aaa, bbb, ccc, ddd, F4, KK1, in[1], 14);
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ROUND(ddd, aaa, bbb, ccc, F4, KK1, in[10], 14);
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ROUND(ccc, ddd, aaa, bbb, F4, KK1, in[3], 12);
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ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[12], 6);
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/* Swap contents of "a" registers */
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swap(aa, aaa);
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/* round 2: left lane */
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ROUND(aa, bb, cc, dd, F2, K2, in[7], 7);
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ROUND(dd, aa, bb, cc, F2, K2, in[4], 6);
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ROUND(cc, dd, aa, bb, F2, K2, in[13], 8);
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ROUND(bb, cc, dd, aa, F2, K2, in[1], 13);
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ROUND(aa, bb, cc, dd, F2, K2, in[10], 11);
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ROUND(dd, aa, bb, cc, F2, K2, in[6], 9);
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ROUND(cc, dd, aa, bb, F2, K2, in[15], 7);
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ROUND(bb, cc, dd, aa, F2, K2, in[3], 15);
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ROUND(aa, bb, cc, dd, F2, K2, in[12], 7);
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ROUND(dd, aa, bb, cc, F2, K2, in[0], 12);
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ROUND(cc, dd, aa, bb, F2, K2, in[9], 15);
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ROUND(bb, cc, dd, aa, F2, K2, in[5], 9);
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ROUND(aa, bb, cc, dd, F2, K2, in[2], 11);
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ROUND(dd, aa, bb, cc, F2, K2, in[14], 7);
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ROUND(cc, dd, aa, bb, F2, K2, in[11], 13);
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ROUND(bb, cc, dd, aa, F2, K2, in[8], 12);
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/* round 2: right lane */
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ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[6], 9);
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ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[11], 13);
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ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[3], 15);
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ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[7], 7);
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ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[0], 12);
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ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[13], 8);
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ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[5], 9);
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ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[10], 11);
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ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[14], 7);
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ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[15], 7);
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ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[8], 12);
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ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[12], 7);
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ROUND(aaa, bbb, ccc, ddd, F3, KK2, in[4], 6);
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ROUND(ddd, aaa, bbb, ccc, F3, KK2, in[9], 15);
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ROUND(ccc, ddd, aaa, bbb, F3, KK2, in[1], 13);
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ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[2], 11);
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/* Swap contents of "b" registers */
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swap(bb, bbb);
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/* round 3: left lane */
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ROUND(aa, bb, cc, dd, F3, K3, in[3], 11);
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ROUND(dd, aa, bb, cc, F3, K3, in[10], 13);
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ROUND(cc, dd, aa, bb, F3, K3, in[14], 6);
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ROUND(bb, cc, dd, aa, F3, K3, in[4], 7);
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ROUND(aa, bb, cc, dd, F3, K3, in[9], 14);
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ROUND(dd, aa, bb, cc, F3, K3, in[15], 9);
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ROUND(cc, dd, aa, bb, F3, K3, in[8], 13);
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ROUND(bb, cc, dd, aa, F3, K3, in[1], 15);
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ROUND(aa, bb, cc, dd, F3, K3, in[2], 14);
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ROUND(dd, aa, bb, cc, F3, K3, in[7], 8);
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ROUND(cc, dd, aa, bb, F3, K3, in[0], 13);
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ROUND(bb, cc, dd, aa, F3, K3, in[6], 6);
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ROUND(aa, bb, cc, dd, F3, K3, in[13], 5);
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ROUND(dd, aa, bb, cc, F3, K3, in[11], 12);
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ROUND(cc, dd, aa, bb, F3, K3, in[5], 7);
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ROUND(bb, cc, dd, aa, F3, K3, in[12], 5);
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/* round 3: right lane */
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ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[15], 9);
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ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[5], 7);
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ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[1], 15);
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ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[3], 11);
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ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[7], 8);
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ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[14], 6);
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ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[6], 6);
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ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[9], 14);
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ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[11], 12);
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ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[8], 13);
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ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[12], 5);
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ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[2], 14);
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ROUND(aaa, bbb, ccc, ddd, F2, KK3, in[10], 13);
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ROUND(ddd, aaa, bbb, ccc, F2, KK3, in[0], 13);
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ROUND(ccc, ddd, aaa, bbb, F2, KK3, in[4], 7);
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ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[13], 5);
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/* Swap contents of "c" registers */
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swap(cc, ccc);
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/* round 4: left lane */
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ROUND(aa, bb, cc, dd, F4, K4, in[1], 11);
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ROUND(dd, aa, bb, cc, F4, K4, in[9], 12);
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ROUND(cc, dd, aa, bb, F4, K4, in[11], 14);
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ROUND(bb, cc, dd, aa, F4, K4, in[10], 15);
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ROUND(aa, bb, cc, dd, F4, K4, in[0], 14);
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ROUND(dd, aa, bb, cc, F4, K4, in[8], 15);
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ROUND(cc, dd, aa, bb, F4, K4, in[12], 9);
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ROUND(bb, cc, dd, aa, F4, K4, in[4], 8);
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ROUND(aa, bb, cc, dd, F4, K4, in[13], 9);
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ROUND(dd, aa, bb, cc, F4, K4, in[3], 14);
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ROUND(cc, dd, aa, bb, F4, K4, in[7], 5);
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ROUND(bb, cc, dd, aa, F4, K4, in[15], 6);
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ROUND(aa, bb, cc, dd, F4, K4, in[14], 8);
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ROUND(dd, aa, bb, cc, F4, K4, in[5], 6);
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ROUND(cc, dd, aa, bb, F4, K4, in[6], 5);
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ROUND(bb, cc, dd, aa, F4, K4, in[2], 12);
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/* round 4: right lane */
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ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[8], 15);
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ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[6], 5);
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ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[4], 8);
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ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[1], 11);
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ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[3], 14);
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ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[11], 14);
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ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[15], 6);
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ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[0], 14);
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ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[5], 6);
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ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[12], 9);
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ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[2], 12);
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ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[13], 9);
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ROUND(aaa, bbb, ccc, ddd, F1, KK4, in[9], 12);
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ROUND(ddd, aaa, bbb, ccc, F1, KK4, in[7], 5);
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ROUND(ccc, ddd, aaa, bbb, F1, KK4, in[10], 15);
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ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[14], 8);
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/* Swap contents of "d" registers */
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swap(dd, ddd);
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/* combine results */
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state[0] += aa;
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state[1] += bb;
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state[2] += cc;
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state[3] += dd;
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state[4] += aaa;
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state[5] += bbb;
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state[6] += ccc;
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state[7] += ddd;
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}
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static int rmd256_init(struct shash_desc *desc)
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{
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struct rmd256_ctx *rctx = shash_desc_ctx(desc);
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rctx->byte_count = 0;
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rctx->state[0] = RMD_H0;
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rctx->state[1] = RMD_H1;
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rctx->state[2] = RMD_H2;
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rctx->state[3] = RMD_H3;
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rctx->state[4] = RMD_H5;
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rctx->state[5] = RMD_H6;
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rctx->state[6] = RMD_H7;
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rctx->state[7] = RMD_H8;
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memset(rctx->buffer, 0, sizeof(rctx->buffer));
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return 0;
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}
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static int rmd256_update(struct shash_desc *desc, const u8 *data,
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unsigned int len)
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{
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struct rmd256_ctx *rctx = shash_desc_ctx(desc);
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const u32 avail = sizeof(rctx->buffer) - (rctx->byte_count & 0x3f);
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rctx->byte_count += len;
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/* Enough space in buffer? If so copy and we're done */
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if (avail > len) {
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memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
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data, len);
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goto out;
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}
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memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail),
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data, avail);
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rmd256_transform(rctx->state, rctx->buffer);
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data += avail;
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len -= avail;
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while (len >= sizeof(rctx->buffer)) {
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memcpy(rctx->buffer, data, sizeof(rctx->buffer));
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rmd256_transform(rctx->state, rctx->buffer);
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data += sizeof(rctx->buffer);
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len -= sizeof(rctx->buffer);
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}
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memcpy(rctx->buffer, data, len);
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out:
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return 0;
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}
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/* Add padding and return the message digest. */
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static int rmd256_final(struct shash_desc *desc, u8 *out)
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{
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struct rmd256_ctx *rctx = shash_desc_ctx(desc);
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u32 i, index, padlen;
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__le64 bits;
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__le32 *dst = (__le32 *)out;
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static const u8 padding[64] = { 0x80, };
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bits = cpu_to_le64(rctx->byte_count << 3);
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/* Pad out to 56 mod 64 */
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index = rctx->byte_count & 0x3f;
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padlen = (index < 56) ? (56 - index) : ((64+56) - index);
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rmd256_update(desc, padding, padlen);
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/* Append length */
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rmd256_update(desc, (const u8 *)&bits, sizeof(bits));
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/* Store state in digest */
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for (i = 0; i < 8; i++)
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dst[i] = cpu_to_le32p(&rctx->state[i]);
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/* Wipe context */
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memset(rctx, 0, sizeof(*rctx));
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return 0;
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}
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static struct shash_alg alg = {
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.digestsize = RMD256_DIGEST_SIZE,
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.init = rmd256_init,
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.update = rmd256_update,
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.final = rmd256_final,
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.descsize = sizeof(struct rmd256_ctx),
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.base = {
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.cra_name = "rmd256",
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.cra_driver_name = "rmd256-generic",
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.cra_blocksize = RMD256_BLOCK_SIZE,
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.cra_module = THIS_MODULE,
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}
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};
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static int __init rmd256_mod_init(void)
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{
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return crypto_register_shash(&alg);
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}
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static void __exit rmd256_mod_fini(void)
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{
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crypto_unregister_shash(&alg);
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}
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subsys_initcall(rmd256_mod_init);
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module_exit(rmd256_mod_fini);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Adrian-Ken Rueegsegger <ken@codelabs.ch>");
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MODULE_DESCRIPTION("RIPEMD-256 Message Digest");
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MODULE_ALIAS_CRYPTO("rmd256");
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