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author | wolfbeast <mcwerewolf@gmail.com> | 2018-08-14 07:52:35 +0200 |
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committer | wolfbeast <mcwerewolf@gmail.com> | 2018-08-14 16:42:52 +0200 |
commit | ab1060037931158d3a8bf4c8f9f6cb4dbfe916e9 (patch) | |
tree | 5e4677e52b9a349602f04135a44b3000c8baa97b /security/nss/lib/freebl/poly1305-donna-x64-sse2-incremental-source.c | |
parent | f44e99950fc25d16a3cdaffe26dadf7b58a9d38c (diff) | |
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Update NSS to 3.38
- Added HACL*Poly1305 32-bit (INRIA/Microsoft)
- Updated to final TLS 1.3 draft version (28)
- Removed TLS 1.3 prerelease draft limit check
- Removed NPN code
- Enabled dev/urandom-only RNG on Linux with NSS_SEED_ONLY_DEV_URANDOM for non-standard environments
- Fixed several bugs with TLS 1.3 negotiation
- Updated internal certificate store
- Added support for the TLS Record Size Limit Extension.
- Fixed CVE-2018-0495
- Various security fixes in the ASN.1 code.
Diffstat (limited to 'security/nss/lib/freebl/poly1305-donna-x64-sse2-incremental-source.c')
-rw-r--r-- | security/nss/lib/freebl/poly1305-donna-x64-sse2-incremental-source.c | 881 |
1 files changed, 0 insertions, 881 deletions
diff --git a/security/nss/lib/freebl/poly1305-donna-x64-sse2-incremental-source.c b/security/nss/lib/freebl/poly1305-donna-x64-sse2-incremental-source.c deleted file mode 100644 index 3c803c167..000000000 --- a/security/nss/lib/freebl/poly1305-donna-x64-sse2-incremental-source.c +++ /dev/null @@ -1,881 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -/* This implementation of poly1305 is by Andrew Moon - * (https://github.com/floodyberry/poly1305-donna) and released as public - * domain. It implements SIMD vectorization based on the algorithm described in - * http://cr.yp.to/papers.html#neoncrypto. Unrolled to 2 powers, i.e. 64 byte - * block size. */ - -#include <emmintrin.h> -#include <stdint.h> - -#include "poly1305.h" -#include "blapii.h" - -#define ALIGN(x) __attribute__((aligned(x))) -#define INLINE inline -#define U8TO64_LE(m) (*(uint64_t *)(m)) -#define U8TO32_LE(m) (*(uint32_t *)(m)) -#define U64TO8_LE(m, v) (*(uint64_t *)(m)) = v - -typedef __m128i xmmi; -typedef unsigned __int128 uint128_t; - -static const uint32_t ALIGN(16) poly1305_x64_sse2_message_mask[4] = { (1 << 26) - 1, 0, (1 << 26) - 1, 0 }; -static const uint32_t ALIGN(16) poly1305_x64_sse2_5[4] = { 5, 0, 5, 0 }; -static const uint32_t ALIGN(16) poly1305_x64_sse2_1shl128[4] = { (1 << 24), 0, (1 << 24), 0 }; - -static uint128_t INLINE -add128(uint128_t a, uint128_t b) -{ - return a + b; -} - -static uint128_t INLINE -add128_64(uint128_t a, uint64_t b) -{ - return a + b; -} - -static uint128_t INLINE -mul64x64_128(uint64_t a, uint64_t b) -{ - return (uint128_t)a * b; -} - -static uint64_t INLINE -lo128(uint128_t a) -{ - return (uint64_t)a; -} - -static uint64_t INLINE -shr128(uint128_t v, const int shift) -{ - return (uint64_t)(v >> shift); -} - -static uint64_t INLINE -shr128_pair(uint64_t hi, uint64_t lo, const int shift) -{ - return (uint64_t)((((uint128_t)hi << 64) | lo) >> shift); -} - -typedef struct poly1305_power_t { - union { - xmmi v; - uint64_t u[2]; - uint32_t d[4]; - } R20, R21, R22, R23, R24, S21, S22, S23, S24; -} poly1305_power; - -typedef struct poly1305_state_internal_t { - poly1305_power P[2]; /* 288 bytes, top 32 bit halves unused = 144 bytes of free storage */ - union { - xmmi H[5]; /* 80 bytes */ - uint64_t HH[10]; - }; - /* uint64_t r0,r1,r2; [24 bytes] */ - /* uint64_t pad0,pad1; [16 bytes] */ - uint64_t started; /* 8 bytes */ - uint64_t leftover; /* 8 bytes */ - uint8_t buffer[64]; /* 64 bytes */ -} poly1305_state_internal; /* 448 bytes total + 63 bytes for alignment = 511 bytes raw */ - -static poly1305_state_internal INLINE - * - poly1305_aligned_state(poly1305_state *state) -{ - return (poly1305_state_internal *)(((uint64_t)state + 63) & ~63); -} - -/* copy 0-63 bytes */ -static void INLINE NO_SANITIZE_ALIGNMENT -poly1305_block_copy(uint8_t *dst, const uint8_t *src, size_t bytes) -{ - size_t offset = src - dst; - if (bytes & 32) { - _mm_storeu_si128((xmmi *)(dst + 0), _mm_loadu_si128((xmmi *)(dst + offset + 0))); - _mm_storeu_si128((xmmi *)(dst + 16), _mm_loadu_si128((xmmi *)(dst + offset + 16))); - dst += 32; - } - if (bytes & 16) { - _mm_storeu_si128((xmmi *)dst, _mm_loadu_si128((xmmi *)(dst + offset))); - dst += 16; - } - if (bytes & 8) { - *(uint64_t *)dst = *(uint64_t *)(dst + offset); - dst += 8; - } - if (bytes & 4) { - *(uint32_t *)dst = *(uint32_t *)(dst + offset); - dst += 4; - } - if (bytes & 2) { - *(uint16_t *)dst = *(uint16_t *)(dst + offset); - dst += 2; - } - if (bytes & 1) { - *(uint8_t *)dst = *(uint8_t *)(dst + offset); - } -} - -/* zero 0-15 bytes */ -static void INLINE -poly1305_block_zero(uint8_t *dst, size_t bytes) -{ - if (bytes & 8) { - *(uint64_t *)dst = 0; - dst += 8; - } - if (bytes & 4) { - *(uint32_t *)dst = 0; - dst += 4; - } - if (bytes & 2) { - *(uint16_t *)dst = 0; - dst += 2; - } - if (bytes & 1) { - *(uint8_t *)dst = 0; - } -} - -static size_t INLINE -poly1305_min(size_t a, size_t b) -{ - return (a < b) ? a : b; -} - -void -Poly1305Init(poly1305_state *state, const unsigned char key[32]) -{ - poly1305_state_internal *st = poly1305_aligned_state(state); - poly1305_power *p; - uint64_t r0, r1, r2; - uint64_t t0, t1; - - /* clamp key */ - t0 = U8TO64_LE(key + 0); - t1 = U8TO64_LE(key + 8); - r0 = t0 & 0xffc0fffffff; - t0 >>= 44; - t0 |= t1 << 20; - r1 = t0 & 0xfffffc0ffff; - t1 >>= 24; - r2 = t1 & 0x00ffffffc0f; - - /* store r in un-used space of st->P[1] */ - p = &st->P[1]; - p->R20.d[1] = (uint32_t)(r0); - p->R20.d[3] = (uint32_t)(r0 >> 32); - p->R21.d[1] = (uint32_t)(r1); - p->R21.d[3] = (uint32_t)(r1 >> 32); - p->R22.d[1] = (uint32_t)(r2); - p->R22.d[3] = (uint32_t)(r2 >> 32); - - /* store pad */ - p->R23.d[1] = U8TO32_LE(key + 16); - p->R23.d[3] = U8TO32_LE(key + 20); - p->R24.d[1] = U8TO32_LE(key + 24); - p->R24.d[3] = U8TO32_LE(key + 28); - - /* H = 0 */ - st->H[0] = _mm_setzero_si128(); - st->H[1] = _mm_setzero_si128(); - st->H[2] = _mm_setzero_si128(); - st->H[3] = _mm_setzero_si128(); - st->H[4] = _mm_setzero_si128(); - - st->started = 0; - st->leftover = 0; -} - -static void -poly1305_first_block(poly1305_state_internal *st, const uint8_t *m) -{ - const xmmi MMASK = _mm_load_si128((xmmi *)poly1305_x64_sse2_message_mask); - const xmmi FIVE = _mm_load_si128((xmmi *)poly1305_x64_sse2_5); - const xmmi HIBIT = _mm_load_si128((xmmi *)poly1305_x64_sse2_1shl128); - xmmi T5, T6; - poly1305_power *p; - uint128_t d[3]; - uint64_t r0, r1, r2; - uint64_t r20, r21, r22, s22; - uint64_t pad0, pad1; - uint64_t c; - uint64_t i; - - /* pull out stored info */ - p = &st->P[1]; - - r0 = ((uint64_t)p->R20.d[3] << 32) | (uint64_t)p->R20.d[1]; - r1 = ((uint64_t)p->R21.d[3] << 32) | (uint64_t)p->R21.d[1]; - r2 = ((uint64_t)p->R22.d[3] << 32) | (uint64_t)p->R22.d[1]; - pad0 = ((uint64_t)p->R23.d[3] << 32) | (uint64_t)p->R23.d[1]; - pad1 = ((uint64_t)p->R24.d[3] << 32) | (uint64_t)p->R24.d[1]; - - /* compute powers r^2,r^4 */ - r20 = r0; - r21 = r1; - r22 = r2; - for (i = 0; i < 2; i++) { - s22 = r22 * (5 << 2); - - d[0] = add128(mul64x64_128(r20, r20), mul64x64_128(r21 * 2, s22)); - d[1] = add128(mul64x64_128(r22, s22), mul64x64_128(r20 * 2, r21)); - d[2] = add128(mul64x64_128(r21, r21), mul64x64_128(r22 * 2, r20)); - - r20 = lo128(d[0]) & 0xfffffffffff; - c = shr128(d[0], 44); - d[1] = add128_64(d[1], c); - r21 = lo128(d[1]) & 0xfffffffffff; - c = shr128(d[1], 44); - d[2] = add128_64(d[2], c); - r22 = lo128(d[2]) & 0x3ffffffffff; - c = shr128(d[2], 42); - r20 += c * 5; - c = (r20 >> 44); - r20 = r20 & 0xfffffffffff; - r21 += c; - - p->R20.v = _mm_shuffle_epi32(_mm_cvtsi32_si128((uint32_t)(r20)&0x3ffffff), _MM_SHUFFLE(1, 0, 1, 0)); - p->R21.v = _mm_shuffle_epi32(_mm_cvtsi32_si128((uint32_t)((r20 >> 26) | (r21 << 18)) & 0x3ffffff), _MM_SHUFFLE(1, 0, 1, 0)); - p->R22.v = _mm_shuffle_epi32(_mm_cvtsi32_si128((uint32_t)((r21 >> 8)) & 0x3ffffff), _MM_SHUFFLE(1, 0, 1, 0)); - p->R23.v = _mm_shuffle_epi32(_mm_cvtsi32_si128((uint32_t)((r21 >> 34) | (r22 << 10)) & 0x3ffffff), _MM_SHUFFLE(1, 0, 1, 0)); - p->R24.v = _mm_shuffle_epi32(_mm_cvtsi32_si128((uint32_t)((r22 >> 16))), _MM_SHUFFLE(1, 0, 1, 0)); - p->S21.v = _mm_mul_epu32(p->R21.v, FIVE); - p->S22.v = _mm_mul_epu32(p->R22.v, FIVE); - p->S23.v = _mm_mul_epu32(p->R23.v, FIVE); - p->S24.v = _mm_mul_epu32(p->R24.v, FIVE); - p--; - } - - /* put saved info back */ - p = &st->P[1]; - p->R20.d[1] = (uint32_t)(r0); - p->R20.d[3] = (uint32_t)(r0 >> 32); - p->R21.d[1] = (uint32_t)(r1); - p->R21.d[3] = (uint32_t)(r1 >> 32); - p->R22.d[1] = (uint32_t)(r2); - p->R22.d[3] = (uint32_t)(r2 >> 32); - p->R23.d[1] = (uint32_t)(pad0); - p->R23.d[3] = (uint32_t)(pad0 >> 32); - p->R24.d[1] = (uint32_t)(pad1); - p->R24.d[3] = (uint32_t)(pad1 >> 32); - - /* H = [Mx,My] */ - T5 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 0)), _mm_loadl_epi64((xmmi *)(m + 16))); - T6 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 8)), _mm_loadl_epi64((xmmi *)(m + 24))); - st->H[0] = _mm_and_si128(MMASK, T5); - st->H[1] = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26)); - T5 = _mm_or_si128(_mm_srli_epi64(T5, 52), _mm_slli_epi64(T6, 12)); - st->H[2] = _mm_and_si128(MMASK, T5); - st->H[3] = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26)); - st->H[4] = _mm_or_si128(_mm_srli_epi64(T6, 40), HIBIT); -} - -static void -poly1305_blocks(poly1305_state_internal *st, const uint8_t *m, size_t bytes) -{ - const xmmi MMASK = _mm_load_si128((xmmi *)poly1305_x64_sse2_message_mask); - const xmmi FIVE = _mm_load_si128((xmmi *)poly1305_x64_sse2_5); - const xmmi HIBIT = _mm_load_si128((xmmi *)poly1305_x64_sse2_1shl128); - - poly1305_power *p; - xmmi H0, H1, H2, H3, H4; - xmmi T0, T1, T2, T3, T4, T5, T6; - xmmi M0, M1, M2, M3, M4; - xmmi C1, C2; - - H0 = st->H[0]; - H1 = st->H[1]; - H2 = st->H[2]; - H3 = st->H[3]; - H4 = st->H[4]; - - while (bytes >= 64) { - /* H *= [r^4,r^4] */ - p = &st->P[0]; - T0 = _mm_mul_epu32(H0, p->R20.v); - T1 = _mm_mul_epu32(H0, p->R21.v); - T2 = _mm_mul_epu32(H0, p->R22.v); - T3 = _mm_mul_epu32(H0, p->R23.v); - T4 = _mm_mul_epu32(H0, p->R24.v); - T5 = _mm_mul_epu32(H1, p->S24.v); - T6 = _mm_mul_epu32(H1, p->R20.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(H2, p->S23.v); - T6 = _mm_mul_epu32(H2, p->S24.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(H3, p->S22.v); - T6 = _mm_mul_epu32(H3, p->S23.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(H4, p->S21.v); - T6 = _mm_mul_epu32(H4, p->S22.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(H1, p->R21.v); - T6 = _mm_mul_epu32(H1, p->R22.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(H2, p->R20.v); - T6 = _mm_mul_epu32(H2, p->R21.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(H3, p->S24.v); - T6 = _mm_mul_epu32(H3, p->R20.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(H4, p->S23.v); - T6 = _mm_mul_epu32(H4, p->S24.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(H1, p->R23.v); - T4 = _mm_add_epi64(T4, T5); - T5 = _mm_mul_epu32(H2, p->R22.v); - T4 = _mm_add_epi64(T4, T5); - T5 = _mm_mul_epu32(H3, p->R21.v); - T4 = _mm_add_epi64(T4, T5); - T5 = _mm_mul_epu32(H4, p->R20.v); - T4 = _mm_add_epi64(T4, T5); - - /* H += [Mx,My]*[r^2,r^2] */ - T5 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 0)), _mm_loadl_epi64((xmmi *)(m + 16))); - T6 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 8)), _mm_loadl_epi64((xmmi *)(m + 24))); - M0 = _mm_and_si128(MMASK, T5); - M1 = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26)); - T5 = _mm_or_si128(_mm_srli_epi64(T5, 52), _mm_slli_epi64(T6, 12)); - M2 = _mm_and_si128(MMASK, T5); - M3 = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26)); - M4 = _mm_or_si128(_mm_srli_epi64(T6, 40), HIBIT); - - p = &st->P[1]; - T5 = _mm_mul_epu32(M0, p->R20.v); - T6 = _mm_mul_epu32(M0, p->R21.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(M1, p->S24.v); - T6 = _mm_mul_epu32(M1, p->R20.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(M2, p->S23.v); - T6 = _mm_mul_epu32(M2, p->S24.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(M3, p->S22.v); - T6 = _mm_mul_epu32(M3, p->S23.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(M4, p->S21.v); - T6 = _mm_mul_epu32(M4, p->S22.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(M0, p->R22.v); - T6 = _mm_mul_epu32(M0, p->R23.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(M1, p->R21.v); - T6 = _mm_mul_epu32(M1, p->R22.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(M2, p->R20.v); - T6 = _mm_mul_epu32(M2, p->R21.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(M3, p->S24.v); - T6 = _mm_mul_epu32(M3, p->R20.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(M4, p->S23.v); - T6 = _mm_mul_epu32(M4, p->S24.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(M0, p->R24.v); - T4 = _mm_add_epi64(T4, T5); - T5 = _mm_mul_epu32(M1, p->R23.v); - T4 = _mm_add_epi64(T4, T5); - T5 = _mm_mul_epu32(M2, p->R22.v); - T4 = _mm_add_epi64(T4, T5); - T5 = _mm_mul_epu32(M3, p->R21.v); - T4 = _mm_add_epi64(T4, T5); - T5 = _mm_mul_epu32(M4, p->R20.v); - T4 = _mm_add_epi64(T4, T5); - - /* H += [Mx,My] */ - T5 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 32)), _mm_loadl_epi64((xmmi *)(m + 48))); - T6 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 40)), _mm_loadl_epi64((xmmi *)(m + 56))); - M0 = _mm_and_si128(MMASK, T5); - M1 = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26)); - T5 = _mm_or_si128(_mm_srli_epi64(T5, 52), _mm_slli_epi64(T6, 12)); - M2 = _mm_and_si128(MMASK, T5); - M3 = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26)); - M4 = _mm_or_si128(_mm_srli_epi64(T6, 40), HIBIT); - - T0 = _mm_add_epi64(T0, M0); - T1 = _mm_add_epi64(T1, M1); - T2 = _mm_add_epi64(T2, M2); - T3 = _mm_add_epi64(T3, M3); - T4 = _mm_add_epi64(T4, M4); - - /* reduce */ - C1 = _mm_srli_epi64(T0, 26); - C2 = _mm_srli_epi64(T3, 26); - T0 = _mm_and_si128(T0, MMASK); - T3 = _mm_and_si128(T3, MMASK); - T1 = _mm_add_epi64(T1, C1); - T4 = _mm_add_epi64(T4, C2); - C1 = _mm_srli_epi64(T1, 26); - C2 = _mm_srli_epi64(T4, 26); - T1 = _mm_and_si128(T1, MMASK); - T4 = _mm_and_si128(T4, MMASK); - T2 = _mm_add_epi64(T2, C1); - T0 = _mm_add_epi64(T0, _mm_mul_epu32(C2, FIVE)); - C1 = _mm_srli_epi64(T2, 26); - C2 = _mm_srli_epi64(T0, 26); - T2 = _mm_and_si128(T2, MMASK); - T0 = _mm_and_si128(T0, MMASK); - T3 = _mm_add_epi64(T3, C1); - T1 = _mm_add_epi64(T1, C2); - C1 = _mm_srli_epi64(T3, 26); - T3 = _mm_and_si128(T3, MMASK); - T4 = _mm_add_epi64(T4, C1); - - /* H = (H*[r^4,r^4] + [Mx,My]*[r^2,r^2] + [Mx,My]) */ - H0 = T0; - H1 = T1; - H2 = T2; - H3 = T3; - H4 = T4; - - m += 64; - bytes -= 64; - } - - st->H[0] = H0; - st->H[1] = H1; - st->H[2] = H2; - st->H[3] = H3; - st->H[4] = H4; -} - -static size_t -poly1305_combine(poly1305_state_internal *st, const uint8_t *m, size_t bytes) -{ - const xmmi MMASK = _mm_load_si128((xmmi *)poly1305_x64_sse2_message_mask); - const xmmi HIBIT = _mm_load_si128((xmmi *)poly1305_x64_sse2_1shl128); - const xmmi FIVE = _mm_load_si128((xmmi *)poly1305_x64_sse2_5); - - poly1305_power *p; - xmmi H0, H1, H2, H3, H4; - xmmi M0, M1, M2, M3, M4; - xmmi T0, T1, T2, T3, T4, T5, T6; - xmmi C1, C2; - - uint64_t r0, r1, r2; - uint64_t t0, t1, t2, t3, t4; - uint64_t c; - size_t consumed = 0; - - H0 = st->H[0]; - H1 = st->H[1]; - H2 = st->H[2]; - H3 = st->H[3]; - H4 = st->H[4]; - - /* p = [r^2,r^2] */ - p = &st->P[1]; - - if (bytes >= 32) { - /* H *= [r^2,r^2] */ - T0 = _mm_mul_epu32(H0, p->R20.v); - T1 = _mm_mul_epu32(H0, p->R21.v); - T2 = _mm_mul_epu32(H0, p->R22.v); - T3 = _mm_mul_epu32(H0, p->R23.v); - T4 = _mm_mul_epu32(H0, p->R24.v); - T5 = _mm_mul_epu32(H1, p->S24.v); - T6 = _mm_mul_epu32(H1, p->R20.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(H2, p->S23.v); - T6 = _mm_mul_epu32(H2, p->S24.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(H3, p->S22.v); - T6 = _mm_mul_epu32(H3, p->S23.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(H4, p->S21.v); - T6 = _mm_mul_epu32(H4, p->S22.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(H1, p->R21.v); - T6 = _mm_mul_epu32(H1, p->R22.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(H2, p->R20.v); - T6 = _mm_mul_epu32(H2, p->R21.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(H3, p->S24.v); - T6 = _mm_mul_epu32(H3, p->R20.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(H4, p->S23.v); - T6 = _mm_mul_epu32(H4, p->S24.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(H1, p->R23.v); - T4 = _mm_add_epi64(T4, T5); - T5 = _mm_mul_epu32(H2, p->R22.v); - T4 = _mm_add_epi64(T4, T5); - T5 = _mm_mul_epu32(H3, p->R21.v); - T4 = _mm_add_epi64(T4, T5); - T5 = _mm_mul_epu32(H4, p->R20.v); - T4 = _mm_add_epi64(T4, T5); - - /* H += [Mx,My] */ - T5 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 0)), _mm_loadl_epi64((xmmi *)(m + 16))); - T6 = _mm_unpacklo_epi64(_mm_loadl_epi64((xmmi *)(m + 8)), _mm_loadl_epi64((xmmi *)(m + 24))); - M0 = _mm_and_si128(MMASK, T5); - M1 = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26)); - T5 = _mm_or_si128(_mm_srli_epi64(T5, 52), _mm_slli_epi64(T6, 12)); - M2 = _mm_and_si128(MMASK, T5); - M3 = _mm_and_si128(MMASK, _mm_srli_epi64(T5, 26)); - M4 = _mm_or_si128(_mm_srli_epi64(T6, 40), HIBIT); - - T0 = _mm_add_epi64(T0, M0); - T1 = _mm_add_epi64(T1, M1); - T2 = _mm_add_epi64(T2, M2); - T3 = _mm_add_epi64(T3, M3); - T4 = _mm_add_epi64(T4, M4); - - /* reduce */ - C1 = _mm_srli_epi64(T0, 26); - C2 = _mm_srli_epi64(T3, 26); - T0 = _mm_and_si128(T0, MMASK); - T3 = _mm_and_si128(T3, MMASK); - T1 = _mm_add_epi64(T1, C1); - T4 = _mm_add_epi64(T4, C2); - C1 = _mm_srli_epi64(T1, 26); - C2 = _mm_srli_epi64(T4, 26); - T1 = _mm_and_si128(T1, MMASK); - T4 = _mm_and_si128(T4, MMASK); - T2 = _mm_add_epi64(T2, C1); - T0 = _mm_add_epi64(T0, _mm_mul_epu32(C2, FIVE)); - C1 = _mm_srli_epi64(T2, 26); - C2 = _mm_srli_epi64(T0, 26); - T2 = _mm_and_si128(T2, MMASK); - T0 = _mm_and_si128(T0, MMASK); - T3 = _mm_add_epi64(T3, C1); - T1 = _mm_add_epi64(T1, C2); - C1 = _mm_srli_epi64(T3, 26); - T3 = _mm_and_si128(T3, MMASK); - T4 = _mm_add_epi64(T4, C1); - - /* H = (H*[r^2,r^2] + [Mx,My]) */ - H0 = T0; - H1 = T1; - H2 = T2; - H3 = T3; - H4 = T4; - - consumed = 32; - } - - /* finalize, H *= [r^2,r] */ - r0 = ((uint64_t)p->R20.d[3] << 32) | (uint64_t)p->R20.d[1]; - r1 = ((uint64_t)p->R21.d[3] << 32) | (uint64_t)p->R21.d[1]; - r2 = ((uint64_t)p->R22.d[3] << 32) | (uint64_t)p->R22.d[1]; - - p->R20.d[2] = (uint32_t)(r0)&0x3ffffff; - p->R21.d[2] = (uint32_t)((r0 >> 26) | (r1 << 18)) & 0x3ffffff; - p->R22.d[2] = (uint32_t)((r1 >> 8)) & 0x3ffffff; - p->R23.d[2] = (uint32_t)((r1 >> 34) | (r2 << 10)) & 0x3ffffff; - p->R24.d[2] = (uint32_t)((r2 >> 16)); - p->S21.d[2] = p->R21.d[2] * 5; - p->S22.d[2] = p->R22.d[2] * 5; - p->S23.d[2] = p->R23.d[2] * 5; - p->S24.d[2] = p->R24.d[2] * 5; - - /* H *= [r^2,r] */ - T0 = _mm_mul_epu32(H0, p->R20.v); - T1 = _mm_mul_epu32(H0, p->R21.v); - T2 = _mm_mul_epu32(H0, p->R22.v); - T3 = _mm_mul_epu32(H0, p->R23.v); - T4 = _mm_mul_epu32(H0, p->R24.v); - T5 = _mm_mul_epu32(H1, p->S24.v); - T6 = _mm_mul_epu32(H1, p->R20.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(H2, p->S23.v); - T6 = _mm_mul_epu32(H2, p->S24.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(H3, p->S22.v); - T6 = _mm_mul_epu32(H3, p->S23.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(H4, p->S21.v); - T6 = _mm_mul_epu32(H4, p->S22.v); - T0 = _mm_add_epi64(T0, T5); - T1 = _mm_add_epi64(T1, T6); - T5 = _mm_mul_epu32(H1, p->R21.v); - T6 = _mm_mul_epu32(H1, p->R22.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(H2, p->R20.v); - T6 = _mm_mul_epu32(H2, p->R21.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(H3, p->S24.v); - T6 = _mm_mul_epu32(H3, p->R20.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(H4, p->S23.v); - T6 = _mm_mul_epu32(H4, p->S24.v); - T2 = _mm_add_epi64(T2, T5); - T3 = _mm_add_epi64(T3, T6); - T5 = _mm_mul_epu32(H1, p->R23.v); - T4 = _mm_add_epi64(T4, T5); - T5 = _mm_mul_epu32(H2, p->R22.v); - T4 = _mm_add_epi64(T4, T5); - T5 = _mm_mul_epu32(H3, p->R21.v); - T4 = _mm_add_epi64(T4, T5); - T5 = _mm_mul_epu32(H4, p->R20.v); - T4 = _mm_add_epi64(T4, T5); - - C1 = _mm_srli_epi64(T0, 26); - C2 = _mm_srli_epi64(T3, 26); - T0 = _mm_and_si128(T0, MMASK); - T3 = _mm_and_si128(T3, MMASK); - T1 = _mm_add_epi64(T1, C1); - T4 = _mm_add_epi64(T4, C2); - C1 = _mm_srli_epi64(T1, 26); - C2 = _mm_srli_epi64(T4, 26); - T1 = _mm_and_si128(T1, MMASK); - T4 = _mm_and_si128(T4, MMASK); - T2 = _mm_add_epi64(T2, C1); - T0 = _mm_add_epi64(T0, _mm_mul_epu32(C2, FIVE)); - C1 = _mm_srli_epi64(T2, 26); - C2 = _mm_srli_epi64(T0, 26); - T2 = _mm_and_si128(T2, MMASK); - T0 = _mm_and_si128(T0, MMASK); - T3 = _mm_add_epi64(T3, C1); - T1 = _mm_add_epi64(T1, C2); - C1 = _mm_srli_epi64(T3, 26); - T3 = _mm_and_si128(T3, MMASK); - T4 = _mm_add_epi64(T4, C1); - - /* H = H[0]+H[1] */ - H0 = _mm_add_epi64(T0, _mm_srli_si128(T0, 8)); - H1 = _mm_add_epi64(T1, _mm_srli_si128(T1, 8)); - H2 = _mm_add_epi64(T2, _mm_srli_si128(T2, 8)); - H3 = _mm_add_epi64(T3, _mm_srli_si128(T3, 8)); - H4 = _mm_add_epi64(T4, _mm_srli_si128(T4, 8)); - - t0 = _mm_cvtsi128_si32(H0); - c = (t0 >> 26); - t0 &= 0x3ffffff; - t1 = _mm_cvtsi128_si32(H1) + c; - c = (t1 >> 26); - t1 &= 0x3ffffff; - t2 = _mm_cvtsi128_si32(H2) + c; - c = (t2 >> 26); - t2 &= 0x3ffffff; - t3 = _mm_cvtsi128_si32(H3) + c; - c = (t3 >> 26); - t3 &= 0x3ffffff; - t4 = _mm_cvtsi128_si32(H4) + c; - c = (t4 >> 26); - t4 &= 0x3ffffff; - t0 = t0 + (c * 5); - c = (t0 >> 26); - t0 &= 0x3ffffff; - t1 = t1 + c; - - st->HH[0] = ((t0) | (t1 << 26)) & 0xfffffffffffull; - st->HH[1] = ((t1 >> 18) | (t2 << 8) | (t3 << 34)) & 0xfffffffffffull; - st->HH[2] = ((t3 >> 10) | (t4 << 16)) & 0x3ffffffffffull; - - return consumed; -} - -void -Poly1305Update(poly1305_state *state, const unsigned char *m, size_t bytes) -{ - poly1305_state_internal *st = poly1305_aligned_state(state); - size_t want; - - /* need at least 32 initial bytes to start the accelerated branch */ - if (!st->started) { - if ((st->leftover == 0) && (bytes > 32)) { - poly1305_first_block(st, m); - m += 32; - bytes -= 32; - } else { - want = poly1305_min(32 - st->leftover, bytes); - poly1305_block_copy(st->buffer + st->leftover, m, want); - bytes -= want; - m += want; - st->leftover += want; - if ((st->leftover < 32) || (bytes == 0)) - return; - poly1305_first_block(st, st->buffer); - st->leftover = 0; - } - st->started = 1; - } - - /* handle leftover */ - if (st->leftover) { - want = poly1305_min(64 - st->leftover, bytes); - poly1305_block_copy(st->buffer + st->leftover, m, want); - bytes -= want; - m += want; - st->leftover += want; - if (st->leftover < 64) - return; - poly1305_blocks(st, st->buffer, 64); - st->leftover = 0; - } - - /* process 64 byte blocks */ - if (bytes >= 64) { - want = (bytes & ~63); - poly1305_blocks(st, m, want); - m += want; - bytes -= want; - } - - if (bytes) { - poly1305_block_copy(st->buffer + st->leftover, m, bytes); - st->leftover += bytes; - } -} - -void -Poly1305Finish(poly1305_state *state, unsigned char mac[16]) -{ - poly1305_state_internal *st = poly1305_aligned_state(state); - size_t leftover = st->leftover; - uint8_t *m = st->buffer; - uint128_t d[3]; - uint64_t h0, h1, h2; - uint64_t t0, t1; - uint64_t g0, g1, g2, c, nc; - uint64_t r0, r1, r2, s1, s2; - poly1305_power *p; - - if (st->started) { - size_t consumed = poly1305_combine(st, m, leftover); - leftover -= consumed; - m += consumed; - } - - /* st->HH will either be 0 or have the combined result */ - h0 = st->HH[0]; - h1 = st->HH[1]; - h2 = st->HH[2]; - - p = &st->P[1]; - r0 = ((uint64_t)p->R20.d[3] << 32) | (uint64_t)p->R20.d[1]; - r1 = ((uint64_t)p->R21.d[3] << 32) | (uint64_t)p->R21.d[1]; - r2 = ((uint64_t)p->R22.d[3] << 32) | (uint64_t)p->R22.d[1]; - s1 = r1 * (5 << 2); - s2 = r2 * (5 << 2); - - if (leftover < 16) - goto poly1305_donna_atmost15bytes; - -poly1305_donna_atleast16bytes: - t0 = U8TO64_LE(m + 0); - t1 = U8TO64_LE(m + 8); - h0 += t0 & 0xfffffffffff; - t0 = shr128_pair(t1, t0, 44); - h1 += t0 & 0xfffffffffff; - h2 += (t1 >> 24) | ((uint64_t)1 << 40); - -poly1305_donna_mul: - d[0] = add128(add128(mul64x64_128(h0, r0), mul64x64_128(h1, s2)), mul64x64_128(h2, s1)); - d[1] = add128(add128(mul64x64_128(h0, r1), mul64x64_128(h1, r0)), mul64x64_128(h2, s2)); - d[2] = add128(add128(mul64x64_128(h0, r2), mul64x64_128(h1, r1)), mul64x64_128(h2, r0)); - h0 = lo128(d[0]) & 0xfffffffffff; - c = shr128(d[0], 44); - d[1] = add128_64(d[1], c); - h1 = lo128(d[1]) & 0xfffffffffff; - c = shr128(d[1], 44); - d[2] = add128_64(d[2], c); - h2 = lo128(d[2]) & 0x3ffffffffff; - c = shr128(d[2], 42); - h0 += c * 5; - - m += 16; - leftover -= 16; - if (leftover >= 16) - goto poly1305_donna_atleast16bytes; - -/* final bytes */ -poly1305_donna_atmost15bytes: - if (!leftover) - goto poly1305_donna_finish; - - m[leftover++] = 1; - poly1305_block_zero(m + leftover, 16 - leftover); - leftover = 16; - - t0 = U8TO64_LE(m + 0); - t1 = U8TO64_LE(m + 8); - h0 += t0 & 0xfffffffffff; - t0 = shr128_pair(t1, t0, 44); - h1 += t0 & 0xfffffffffff; - h2 += (t1 >> 24); - - goto poly1305_donna_mul; - -poly1305_donna_finish: - c = (h0 >> 44); - h0 &= 0xfffffffffff; - h1 += c; - c = (h1 >> 44); - h1 &= 0xfffffffffff; - h2 += c; - c = (h2 >> 42); - h2 &= 0x3ffffffffff; - h0 += c * 5; - - g0 = h0 + 5; - c = (g0 >> 44); - g0 &= 0xfffffffffff; - g1 = h1 + c; - c = (g1 >> 44); - g1 &= 0xfffffffffff; - g2 = h2 + c - ((uint64_t)1 << 42); - - c = (g2 >> 63) - 1; - nc = ~c; - h0 = (h0 & nc) | (g0 & c); - h1 = (h1 & nc) | (g1 & c); - h2 = (h2 & nc) | (g2 & c); - - /* pad */ - t0 = ((uint64_t)p->R23.d[3] << 32) | (uint64_t)p->R23.d[1]; - t1 = ((uint64_t)p->R24.d[3] << 32) | (uint64_t)p->R24.d[1]; - h0 += (t0 & 0xfffffffffff); - c = (h0 >> 44); - h0 &= 0xfffffffffff; - t0 = shr128_pair(t1, t0, 44); - h1 += (t0 & 0xfffffffffff) + c; - c = (h1 >> 44); - h1 &= 0xfffffffffff; - t1 = (t1 >> 24); - h2 += (t1) + c; - - U64TO8_LE(mac + 0, ((h0) | (h1 << 44))); - U64TO8_LE(mac + 8, ((h1 >> 20) | (h2 << 24))); -} |