/*
* crypto_helper.c - emulate v8 Crypto Extensions instructions
*
- * Copyright (C) 2013 - 201
4 Linaro Ltd <ard.biesheuvel@linaro.org>
+ * Copyright (C) 2013 - 201
8 Linaro Ltd <ard.biesheuvel@linaro.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
#include "qemu/osdep.h"
#include "cpu.h"
-#include "exec/exec-all.h"
#include "exec/helper-proto.h"
#include "crypto/aes.h"
rd[0] = d.l[0];
rd[1] = d.l[1];
}
+
+/*
+ * The SHA-512 logical functions (same as above but using 64-bit operands)
+ */
+
+static uint64_t cho512(uint64_t x, uint64_t y, uint64_t z)
+{
+ return (x & (y ^ z)) ^ z;
+}
+
+static uint64_t maj512(uint64_t x, uint64_t y, uint64_t z)
+{
+ return (x & y) | ((x | y) & z);
+}
+
+static uint64_t S0_512(uint64_t x)
+{
+ return ror64(x, 28) ^ ror64(x, 34) ^ ror64(x, 39);
+}
+
+static uint64_t S1_512(uint64_t x)
+{
+ return ror64(x, 14) ^ ror64(x, 18) ^ ror64(x, 41);
+}
+
+static uint64_t s0_512(uint64_t x)
+{
+ return ror64(x, 1) ^ ror64(x, 8) ^ (x >> 7);
+}
+
+static uint64_t s1_512(uint64_t x)
+{
+ return ror64(x, 19) ^ ror64(x, 61) ^ (x >> 6);
+}
+
+void HELPER(crypto_sha512h)(void *vd, void *vn, void *vm)
+{
+ uint64_t *rd = vd;
+ uint64_t *rn = vn;
+ uint64_t *rm = vm;
+ uint64_t d0 = rd[0];
+ uint64_t d1 = rd[1];
+
+ d1 += S1_512(rm[1]) + cho512(rm[1], rn[0], rn[1]);
+ d0 += S1_512(d1 + rm[0]) + cho512(d1 + rm[0], rm[1], rn[0]);
+
+ rd[0] = d0;
+ rd[1] = d1;
+}
+
+void HELPER(crypto_sha512h2)(void *vd, void *vn, void *vm)
+{
+ uint64_t *rd = vd;
+ uint64_t *rn = vn;
+ uint64_t *rm = vm;
+ uint64_t d0 = rd[0];
+ uint64_t d1 = rd[1];
+
+ d1 += S0_512(rm[0]) + maj512(rn[0], rm[1], rm[0]);
+ d0 += S0_512(d1) + maj512(d1, rm[0], rm[1]);
+
+ rd[0] = d0;
+ rd[1] = d1;
+}
+
+void HELPER(crypto_sha512su0)(void *vd, void *vn)
+{
+ uint64_t *rd = vd;
+ uint64_t *rn = vn;
+ uint64_t d0 = rd[0];
+ uint64_t d1 = rd[1];
+
+ d0 += s0_512(rd[1]);
+ d1 += s0_512(rn[0]);
+
+ rd[0] = d0;
+ rd[1] = d1;
+}
+
+void HELPER(crypto_sha512su1)(void *vd, void *vn, void *vm)
+{
+ uint64_t *rd = vd;
+ uint64_t *rn = vn;
+ uint64_t *rm = vm;
+
+ rd[0] += s1_512(rn[0]) + rm[0];
+ rd[1] += s1_512(rn[1]) + rm[1];
+}
+
+void HELPER(crypto_sm3partw1)(void *vd, void *vn, void *vm)
+{
+ uint64_t *rd = vd;
+ uint64_t *rn = vn;
+ uint64_t *rm = vm;
+ union CRYPTO_STATE d = { .l = { rd[0], rd[1] } };
+ union CRYPTO_STATE n = { .l = { rn[0], rn[1] } };
+ union CRYPTO_STATE m = { .l = { rm[0], rm[1] } };
+ uint32_t t;
+
+ t = CR_ST_WORD(d, 0) ^ CR_ST_WORD(n, 0) ^ ror32(CR_ST_WORD(m, 1), 17);
+ CR_ST_WORD(d, 0) = t ^ ror32(t, 17) ^ ror32(t, 9);
+
+ t = CR_ST_WORD(d, 1) ^ CR_ST_WORD(n, 1) ^ ror32(CR_ST_WORD(m, 2), 17);
+ CR_ST_WORD(d, 1) = t ^ ror32(t, 17) ^ ror32(t, 9);
+
+ t = CR_ST_WORD(d, 2) ^ CR_ST_WORD(n, 2) ^ ror32(CR_ST_WORD(m, 3), 17);
+ CR_ST_WORD(d, 2) = t ^ ror32(t, 17) ^ ror32(t, 9);
+
+ t = CR_ST_WORD(d, 3) ^ CR_ST_WORD(n, 3) ^ ror32(CR_ST_WORD(d, 0), 17);
+ CR_ST_WORD(d, 3) = t ^ ror32(t, 17) ^ ror32(t, 9);
+
+ rd[0] = d.l[0];
+ rd[1] = d.l[1];
+}
+
+void HELPER(crypto_sm3partw2)(void *vd, void *vn, void *vm)
+{
+ uint64_t *rd = vd;
+ uint64_t *rn = vn;
+ uint64_t *rm = vm;
+ union CRYPTO_STATE d = { .l = { rd[0], rd[1] } };
+ union CRYPTO_STATE n = { .l = { rn[0], rn[1] } };
+ union CRYPTO_STATE m = { .l = { rm[0], rm[1] } };
+ uint32_t t = CR_ST_WORD(n, 0) ^ ror32(CR_ST_WORD(m, 0), 25);
+
+ CR_ST_WORD(d, 0) ^= t;
+ CR_ST_WORD(d, 1) ^= CR_ST_WORD(n, 1) ^ ror32(CR_ST_WORD(m, 1), 25);
+ CR_ST_WORD(d, 2) ^= CR_ST_WORD(n, 2) ^ ror32(CR_ST_WORD(m, 2), 25);
+ CR_ST_WORD(d, 3) ^= CR_ST_WORD(n, 3) ^ ror32(CR_ST_WORD(m, 3), 25) ^
+ ror32(t, 17) ^ ror32(t, 2) ^ ror32(t, 26);
+
+ rd[0] = d.l[0];
+ rd[1] = d.l[1];
+}
+
+void HELPER(crypto_sm3tt)(void *vd, void *vn, void *vm, uint32_t imm2,
+ uint32_t opcode)
+{
+ uint64_t *rd = vd;
+ uint64_t *rn = vn;
+ uint64_t *rm = vm;
+ union CRYPTO_STATE d = { .l = { rd[0], rd[1] } };
+ union CRYPTO_STATE n = { .l = { rn[0], rn[1] } };
+ union CRYPTO_STATE m = { .l = { rm[0], rm[1] } };
+ uint32_t t;
+
+ assert(imm2 < 4);
+
+ if (opcode == 0 || opcode == 2) {
+ /* SM3TT1A, SM3TT2A */
+ t = par(CR_ST_WORD(d, 3), CR_ST_WORD(d, 2), CR_ST_WORD(d, 1));
+ } else if (opcode == 1) {
+ /* SM3TT1B */
+ t = maj(CR_ST_WORD(d, 3), CR_ST_WORD(d, 2), CR_ST_WORD(d, 1));
+ } else if (opcode == 3) {
+ /* SM3TT2B */
+ t = cho(CR_ST_WORD(d, 3), CR_ST_WORD(d, 2), CR_ST_WORD(d, 1));
+ } else {
+ g_assert_not_reached();
+ }
+
+ t += CR_ST_WORD(d, 0) + CR_ST_WORD(m, imm2);
+
+ CR_ST_WORD(d, 0) = CR_ST_WORD(d, 1);
+
+ if (opcode < 2) {
+ /* SM3TT1A, SM3TT1B */
+ t += CR_ST_WORD(n, 3) ^ ror32(CR_ST_WORD(d, 3), 20);
+
+ CR_ST_WORD(d, 1) = ror32(CR_ST_WORD(d, 2), 23);
+ } else {
+ /* SM3TT2A, SM3TT2B */
+ t += CR_ST_WORD(n, 3);
+ t ^= rol32(t, 9) ^ rol32(t, 17);
+
+ CR_ST_WORD(d, 1) = ror32(CR_ST_WORD(d, 2), 13);
+ }
+
+ CR_ST_WORD(d, 2) = CR_ST_WORD(d, 3);
+ CR_ST_WORD(d, 3) = t;
+
+ rd[0] = d.l[0];
+ rd[1] = d.l[1];
+}
+
+static uint8_t const sm4_sbox[] = {
+ 0xd6, 0x90, 0xe9, 0xfe, 0xcc, 0xe1, 0x3d, 0xb7,
+ 0x16, 0xb6, 0x14, 0xc2, 0x28, 0xfb, 0x2c, 0x05,
+ 0x2b, 0x67, 0x9a, 0x76, 0x2a, 0xbe, 0x04, 0xc3,
+ 0xaa, 0x44, 0x13, 0x26, 0x49, 0x86, 0x06, 0x99,
+ 0x9c, 0x42, 0x50, 0xf4, 0x91, 0xef, 0x98, 0x7a,
+ 0x33, 0x54, 0x0b, 0x43, 0xed, 0xcf, 0xac, 0x62,
+ 0xe4, 0xb3, 0x1c, 0xa9, 0xc9, 0x08, 0xe8, 0x95,
+ 0x80, 0xdf, 0x94, 0xfa, 0x75, 0x8f, 0x3f, 0xa6,
+ 0x47, 0x07, 0xa7, 0xfc, 0xf3, 0x73, 0x17, 0xba,
+ 0x83, 0x59, 0x3c, 0x19, 0xe6, 0x85, 0x4f, 0xa8,
+ 0x68, 0x6b, 0x81, 0xb2, 0x71, 0x64, 0xda, 0x8b,
+ 0xf8, 0xeb, 0x0f, 0x4b, 0x70, 0x56, 0x9d, 0x35,
+ 0x1e, 0x24, 0x0e, 0x5e, 0x63, 0x58, 0xd1, 0xa2,
+ 0x25, 0x22, 0x7c, 0x3b, 0x01, 0x21, 0x78, 0x87,
+ 0xd4, 0x00, 0x46, 0x57, 0x9f, 0xd3, 0x27, 0x52,
+ 0x4c, 0x36, 0x02, 0xe7, 0xa0, 0xc4, 0xc8, 0x9e,
+ 0xea, 0xbf, 0x8a, 0xd2, 0x40, 0xc7, 0x38, 0xb5,
+ 0xa3, 0xf7, 0xf2, 0xce, 0xf9, 0x61, 0x15, 0xa1,
+ 0xe0, 0xae, 0x5d, 0xa4, 0x9b, 0x34, 0x1a, 0x55,
+ 0xad, 0x93, 0x32, 0x30, 0xf5, 0x8c, 0xb1, 0xe3,
+ 0x1d, 0xf6, 0xe2, 0x2e, 0x82, 0x66, 0xca, 0x60,
+ 0xc0, 0x29, 0x23, 0xab, 0x0d, 0x53, 0x4e, 0x6f,
+ 0xd5, 0xdb, 0x37, 0x45, 0xde, 0xfd, 0x8e, 0x2f,
+ 0x03, 0xff, 0x6a, 0x72, 0x6d, 0x6c, 0x5b, 0x51,
+ 0x8d, 0x1b, 0xaf, 0x92, 0xbb, 0xdd, 0xbc, 0x7f,
+ 0x11, 0xd9, 0x5c, 0x41, 0x1f, 0x10, 0x5a, 0xd8,
+ 0x0a, 0xc1, 0x31, 0x88, 0xa5, 0xcd, 0x7b, 0xbd,
+ 0x2d, 0x74, 0xd0, 0x12, 0xb8, 0xe5, 0xb4, 0xb0,
+ 0x89, 0x69, 0x97, 0x4a, 0x0c, 0x96, 0x77, 0x7e,
+ 0x65, 0xb9, 0xf1, 0x09, 0xc5, 0x6e, 0xc6, 0x84,
+ 0x18, 0xf0, 0x7d, 0xec, 0x3a, 0xdc, 0x4d, 0x20,
+ 0x79, 0xee, 0x5f, 0x3e, 0xd7, 0xcb, 0x39, 0x48,
+};
+
+void HELPER(crypto_sm4e)(void *vd, void *vn)
+{
+ uint64_t *rd = vd;
+ uint64_t *rn = vn;
+ union CRYPTO_STATE d = { .l = { rd[0], rd[1] } };
+ union CRYPTO_STATE n = { .l = { rn[0], rn[1] } };
+ uint32_t t, i;
+
+ for (i = 0; i < 4; i++) {
+ t = CR_ST_WORD(d, (i + 1) % 4) ^
+ CR_ST_WORD(d, (i + 2) % 4) ^
+ CR_ST_WORD(d, (i + 3) % 4) ^
+ CR_ST_WORD(n, i);
+
+ t = sm4_sbox[t & 0xff] |
+ sm4_sbox[(t >> 8) & 0xff] << 8 |
+ sm4_sbox[(t >> 16) & 0xff] << 16 |
+ sm4_sbox[(t >> 24) & 0xff] << 24;
+
+ CR_ST_WORD(d, i) ^= t ^ rol32(t, 2) ^ rol32(t, 10) ^ rol32(t, 18) ^
+ rol32(t, 24);
+ }
+
+ rd[0] = d.l[0];
+ rd[1] = d.l[1];
+}
+
+void HELPER(crypto_sm4ekey)(void *vd, void *vn, void* vm)
+{
+ uint64_t *rd = vd;
+ uint64_t *rn = vn;
+ uint64_t *rm = vm;
+ union CRYPTO_STATE d;
+ union CRYPTO_STATE n = { .l = { rn[0], rn[1] } };
+ union CRYPTO_STATE m = { .l = { rm[0], rm[1] } };
+ uint32_t t, i;
+
+ d = n;
+ for (i = 0; i < 4; i++) {
+ t = CR_ST_WORD(d, (i + 1) % 4) ^
+ CR_ST_WORD(d, (i + 2) % 4) ^
+ CR_ST_WORD(d, (i + 3) % 4) ^
+ CR_ST_WORD(m, i);
+
+ t = sm4_sbox[t & 0xff] |
+ sm4_sbox[(t >> 8) & 0xff] << 8 |
+ sm4_sbox[(t >> 16) & 0xff] << 16 |
+ sm4_sbox[(t >> 24) & 0xff] << 24;
+
+ CR_ST_WORD(d, i) ^= t ^ rol32(t, 13) ^ rol32(t, 23);
+ }
+
+ rd[0] = d.l[0];
+ rd[1] = d.l[1];
+}
projects / mirror_qemu.git / blobdiff