#include #include #include #include #include "blake2.h" #include "blake2b-common.h" #include "blake2bip.h" #ifdef __APPLE__ #include #include #define htole32(x) OSSwapHostToLittleInt32(x) #endif ALIGN(64) static const uint64_t blake2b_IV[8] = { UINT64_C(0x6A09E667F3BCC908), UINT64_C(0xBB67AE8584CAA73B), UINT64_C(0x3C6EF372FE94F82B), UINT64_C(0xA54FF53A5F1D36F1), UINT64_C(0x510E527FADE682D1), UINT64_C(0x9B05688C2B3E6C1F), UINT64_C(0x1F83D9ABFB41BD6B), UINT64_C(0x5BE0CD19137E2179), }; ALIGN(64) static const uint32_t blake2b_sigma[12][16] = { { 0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 480}, {448, 320, 128, 256, 288, 480, 416, 192, 32, 384, 0, 64, 352, 224, 160, 96}, {352, 256, 384, 0, 160, 64, 480, 416, 320, 448, 96, 192, 224, 32, 288, 128}, {224, 288, 96, 32, 416, 384, 352, 448, 64, 192, 160, 320, 128, 0, 480, 256}, {288, 0, 160, 224, 64, 128, 320, 480, 448, 32, 352, 384, 192, 256, 96, 416}, { 64, 384, 192, 320, 0, 352, 256, 96, 128, 416, 224, 160, 480, 448, 32, 288}, {384, 160, 32, 480, 448, 416, 128, 320, 0, 224, 192, 96, 288, 64, 256, 352}, {416, 352, 224, 448, 384, 32, 96, 288, 160, 0, 480, 128, 256, 192, 64, 320}, {192, 480, 448, 288, 352, 96, 0, 256, 384, 64, 416, 224, 32, 128, 320, 160}, {320, 64, 256, 128, 224, 192, 32, 160, 480, 352, 288, 448, 96, 384, 416, 0}, { 0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 480}, {448, 320, 128, 256, 288, 480, 416, 192, 32, 384, 0, 64, 352, 224, 160, 96}, }; #define BLAKE2B_G1_V1(a, b, c, d, m) do { \ a = ADD(a, m); \ a = ADD(a, b); d = XOR(d, a); d = ROT32(d); \ c = ADD(c, d); b = XOR(b, c); b = ROT24(b); \ } while(0) #define BLAKE2B_G2_V1(a, b, c, d, m) do { \ a = ADD(a, m); \ a = ADD(a, b); d = XOR(d, a); d = ROT16(d); \ c = ADD(c, d); b = XOR(b, c); b = ROT63(b); \ } while(0) #define BLAKE2B_DIAG_V1(a, b, c, d) do { \ d = _mm256_permute4x64_epi64(d, _MM_SHUFFLE(2,1,0,3)); \ c = _mm256_permute4x64_epi64(c, _MM_SHUFFLE(1,0,3,2)); \ b = _mm256_permute4x64_epi64(b, _MM_SHUFFLE(0,3,2,1)); \ } while(0) #define BLAKE2B_UNDIAG_V1(a, b, c, d) do { \ d = _mm256_permute4x64_epi64(d, _MM_SHUFFLE(0,3,2,1)); \ c = _mm256_permute4x64_epi64(c, _MM_SHUFFLE(1,0,3,2)); \ b = _mm256_permute4x64_epi64(b, _MM_SHUFFLE(2,1,0,3)); \ } while(0) #if defined(PERMUTE_WITH_SHUFFLES) #include "blake2b-load-avx2.h" #elif defined(PERMUTE_WITH_GATHER) #else #include "blake2b-load-avx2-simple.h" #endif #if defined(PERMUTE_WITH_GATHER) ALIGN(64) static const uint32_t indices[12][16] = { { 0, 2, 4, 6, 1, 3, 5, 7, 8, 10, 12, 14, 9, 11, 13, 15}, {14, 4, 9, 13,10, 8, 15, 6, 1, 0, 11, 5,12, 2, 7, 3}, {11, 12, 5, 15, 8, 0, 2, 13,10, 3, 7, 9,14, 6, 1, 4}, { 7, 3, 13, 11, 9, 1, 12, 14, 2, 5, 4, 15, 6, 10, 0, 8}, { 9, 5, 2, 10, 0, 7, 4, 15,14, 11, 6, 3, 1, 12, 8, 13}, { 2, 6, 0, 8,12, 10, 11, 3, 4, 7, 15, 1,13, 5, 14, 9}, {12, 1, 14, 4, 5, 15, 13, 10, 0, 6, 9, 8, 7, 3, 2, 11}, {13, 7, 12, 3,11, 14, 1, 9, 5, 15, 8, 2, 0, 4, 6, 10}, { 6, 14, 11, 0,15, 9, 3, 8,12, 13, 1, 10, 2, 7, 4, 5}, {10, 8, 7, 1, 2, 4, 6, 5,15, 9, 3, 13,11, 14, 12, 0}, { 0, 2, 4, 6, 1, 3, 5, 7, 8, 10, 12, 14, 9, 11, 13, 15}, {14, 4, 9, 13,10, 8, 15, 6, 1, 0, 11, 5,12, 2, 7, 3}, }; #define BLAKE2B_ROUND_V1(a, b, c, d, r, m) do { \ __m256i b0; \ b0 = _mm256_i32gather_epi64((void *)(m), LOAD128(&indices[r][ 0]), 8); \ BLAKE2B_G1_V1(a, b, c, d, b0); \ b0 = _mm256_i32gather_epi64((void *)(m), LOAD128(&indices[r][ 4]), 8); \ BLAKE2B_G2_V1(a, b, c, d, b0); \ BLAKE2B_DIAG_V1(a, b, c, d); \ b0 = _mm256_i32gather_epi64((void *)(m), LOAD128(&indices[r][ 8]), 8); \ BLAKE2B_G1_V1(a, b, c, d, b0); \ b0 = _mm256_i32gather_epi64((void *)(m), LOAD128(&indices[r][12]), 8); \ BLAKE2B_G2_V1(a, b, c, d, b0); \ BLAKE2B_UNDIAG_V1(a, b, c, d); \ } while(0) #define BLAKE2B_ROUNDS_V1(a, b, c, d, m) do { \ int i; \ for(i = 0; i < 12; ++i) { \ BLAKE2B_ROUND_V1(a, b, c, d, i, m); \ } \ } while(0) #else /* !PERMUTE_WITH_GATHER */ #define BLAKE2B_ROUND_V1(a, b, c, d, r, m) do { \ __m256i b0; \ BLAKE2B_LOAD_MSG_ ##r ##_1(b0); \ BLAKE2B_G1_V1(a, b, c, d, b0); \ BLAKE2B_LOAD_MSG_ ##r ##_2(b0); \ BLAKE2B_G2_V1(a, b, c, d, b0); \ BLAKE2B_DIAG_V1(a, b, c, d); \ BLAKE2B_LOAD_MSG_ ##r ##_3(b0); \ BLAKE2B_G1_V1(a, b, c, d, b0); \ BLAKE2B_LOAD_MSG_ ##r ##_4(b0); \ BLAKE2B_G2_V1(a, b, c, d, b0); \ BLAKE2B_UNDIAG_V1(a, b, c, d); \ } while(0) #define BLAKE2B_ROUNDS_V1(a, b, c, d, m) do { \ BLAKE2B_ROUND_V1(a, b, c, d, 0, (m)); \ BLAKE2B_ROUND_V1(a, b, c, d, 1, (m)); \ BLAKE2B_ROUND_V1(a, b, c, d, 2, (m)); \ BLAKE2B_ROUND_V1(a, b, c, d, 3, (m)); \ BLAKE2B_ROUND_V1(a, b, c, d, 4, (m)); \ BLAKE2B_ROUND_V1(a, b, c, d, 5, (m)); \ BLAKE2B_ROUND_V1(a, b, c, d, 6, (m)); \ BLAKE2B_ROUND_V1(a, b, c, d, 7, (m)); \ BLAKE2B_ROUND_V1(a, b, c, d, 8, (m)); \ BLAKE2B_ROUND_V1(a, b, c, d, 9, (m)); \ BLAKE2B_ROUND_V1(a, b, c, d, 10, (m)); \ BLAKE2B_ROUND_V1(a, b, c, d, 11, (m)); \ } while(0) #endif #if defined(PERMUTE_WITH_GATHER) #define DECLARE_MESSAGE_WORDS(m) #elif defined(PERMUTE_WITH_SHUFFLES) #define DECLARE_MESSAGE_WORDS(m) \ const __m256i m0 = _mm256_broadcastsi128_si256(LOADU128((m) + 0)); \ const __m256i m1 = _mm256_broadcastsi128_si256(LOADU128((m) + 16)); \ const __m256i m2 = _mm256_broadcastsi128_si256(LOADU128((m) + 32)); \ const __m256i m3 = _mm256_broadcastsi128_si256(LOADU128((m) + 48)); \ const __m256i m4 = _mm256_broadcastsi128_si256(LOADU128((m) + 64)); \ const __m256i m5 = _mm256_broadcastsi128_si256(LOADU128((m) + 80)); \ const __m256i m6 = _mm256_broadcastsi128_si256(LOADU128((m) + 96)); \ const __m256i m7 = _mm256_broadcastsi128_si256(LOADU128((m) + 112)); \ __m256i t0, t1; #else #define DECLARE_MESSAGE_WORDS(m) \ const uint64_t m0 = LOADU64((m) + 0); \ const uint64_t m1 = LOADU64((m) + 8); \ const uint64_t m2 = LOADU64((m) + 16); \ const uint64_t m3 = LOADU64((m) + 24); \ const uint64_t m4 = LOADU64((m) + 32); \ const uint64_t m5 = LOADU64((m) + 40); \ const uint64_t m6 = LOADU64((m) + 48); \ const uint64_t m7 = LOADU64((m) + 56); \ const uint64_t m8 = LOADU64((m) + 64); \ const uint64_t m9 = LOADU64((m) + 72); \ const uint64_t m10 = LOADU64((m) + 80); \ const uint64_t m11 = LOADU64((m) + 88); \ const uint64_t m12 = LOADU64((m) + 96); \ const uint64_t m13 = LOADU64((m) + 104); \ const uint64_t m14 = LOADU64((m) + 112); \ const uint64_t m15 = LOADU64((m) + 120); #endif #define BLAKE2B_COMPRESS_V1(a, b, m, t0, t1, f0, f1) do { \ DECLARE_MESSAGE_WORDS(m) \ const __m256i iv0 = a; \ const __m256i iv1 = b; \ __m256i c = LOAD(&blake2b_IV[0]); \ __m256i d = XOR( \ LOAD(&blake2b_IV[4]), \ _mm256_set_epi64x(f1, f0, t1, t0) \ ); \ BLAKE2B_ROUNDS_V1(a, b, c, d, m); \ a = XOR(a, c); \ b = XOR(b, d); \ a = XOR(a, iv0); \ b = XOR(b, iv1); \ } while(0) #define BLAKE2B_G_V4(m, r, i, a, b, c, d) do { \ a = ADD(a, LOAD((uint8_t const *)(m) + blake2b_sigma[r][2*i+0])); \ a = ADD(a, b); d = XOR(d, a); d = ROT32(d); \ c = ADD(c, d); b = XOR(b, c); b = ROT24(b); \ a = ADD(a, LOAD((uint8_t const *)(m) + blake2b_sigma[r][2*i+1])); \ a = ADD(a, b); d = XOR(d, a); d = ROT16(d); \ c = ADD(c, d); b = XOR(b, c); b = ROT63(b); \ } while(0) #define BLAKE2B_ROUND_V4(v, m, r) do { \ BLAKE2B_G_V4(m, r, 0, v[ 0], v[ 4], v[ 8], v[12]); \ BLAKE2B_G_V4(m, r, 1, v[ 1], v[ 5], v[ 9], v[13]); \ BLAKE2B_G_V4(m, r, 2, v[ 2], v[ 6], v[10], v[14]); \ BLAKE2B_G_V4(m, r, 3, v[ 3], v[ 7], v[11], v[15]); \ BLAKE2B_G_V4(m, r, 4, v[ 0], v[ 5], v[10], v[15]); \ BLAKE2B_G_V4(m, r, 5, v[ 1], v[ 6], v[11], v[12]); \ BLAKE2B_G_V4(m, r, 6, v[ 2], v[ 7], v[ 8], v[13]); \ BLAKE2B_G_V4(m, r, 7, v[ 3], v[ 4], v[ 9], v[14]); \ } while(0) #define BLAKE2B_G_V8(m, r, i, a, b, c, d, e, f, g, h) do { \ a = ADD(a, LOAD((uint8_t const *)(m ) + blake2b_sigma[r][2*i+0])); \ e = ADD(e, LOAD((uint8_t const *)(m+16) + blake2b_sigma[r][2*i+0])); \ a = ADD(a, b); e = ADD(e, f); d = XOR(d, a); h = XOR(h, e); d = ROT32(d); h = ROT32(h); \ c = ADD(c, d); g = ADD(g, h); b = XOR(b, c); f = XOR(f, g); b = ROT24(b); f = ROT24(f); \ a = ADD(a, LOAD((uint8_t const *)(m ) + blake2b_sigma[r][2*i+1])); \ e = ADD(e, LOAD((uint8_t const *)(m+16) + blake2b_sigma[r][2*i+1])); \ a = ADD(a, b); e = ADD(e, f); d = XOR(d, a); h = XOR(h, e); d = ROT16(d); h = ROT16(h); \ c = ADD(c, d); g = ADD(g, h); b = XOR(b, c); f = XOR(f, g); b = ROT63(b); f = ROT63(f); \ } while(0) #define BLAKE2B_ROUND_V8(v, m, r) do { \ BLAKE2B_G_V8(m, r, 0, v[ 0], v[ 4], v[ 8], v[12], v[16], v[20], v[24], v[28]); \ BLAKE2B_G_V8(m, r, 1, v[ 1], v[ 5], v[ 9], v[13], v[17], v[21], v[25], v[29]); \ BLAKE2B_G_V8(m, r, 2, v[ 2], v[ 6], v[10], v[14], v[18], v[22], v[26], v[30]); \ BLAKE2B_G_V8(m, r, 3, v[ 3], v[ 7], v[11], v[15], v[19], v[23], v[27], v[31]); \ BLAKE2B_G_V8(m, r, 4, v[ 0], v[ 5], v[10], v[15], v[16], v[21], v[26], v[31]); \ BLAKE2B_G_V8(m, r, 5, v[ 1], v[ 6], v[11], v[12], v[17], v[22], v[27], v[28]); \ BLAKE2B_G_V8(m, r, 6, v[ 2], v[ 7], v[ 8], v[13], v[18], v[23], v[24], v[29]); \ BLAKE2B_G_V8(m, r, 7, v[ 3], v[ 4], v[ 9], v[14], v[19], v[20], v[25], v[30]); \ } while(0) #if defined(PERMUTE_WITH_GATHER) #define BLAKE2B_LOADMSG_V4(w, m) do { \ int i; \ for(i = 0; i < 16; ++i) { \ w[i] = _mm256_i32gather_epi64( \ (const void *)((m) + i * sizeof(uint64_t)), \ _mm_set_epi32(48, 32, 16, 0), \ sizeof(uint64_t) \ ); \ } \ } while(0) #else #define BLAKE2B_PACK_MSG_V4(w, m) do { \ __m256i t0, t1, t2, t3; \ t0 = _mm256_unpacklo_epi64(m[ 0], m[ 4]); \ t1 = _mm256_unpackhi_epi64(m[ 0], m[ 4]); \ t2 = _mm256_unpacklo_epi64(m[ 8], m[12]); \ t3 = _mm256_unpackhi_epi64(m[ 8], m[12]); \ w[ 0] = _mm256_permute2x128_si256(t0, t2, 0x20); \ w[ 2] = _mm256_permute2x128_si256(t0, t2, 0x31); \ w[ 1] = _mm256_permute2x128_si256(t1, t3, 0x20); \ w[ 3] = _mm256_permute2x128_si256(t1, t3, 0x31); \ t0 = _mm256_unpacklo_epi64(m[ 1], m[ 5]); \ t1 = _mm256_unpackhi_epi64(m[ 1], m[ 5]); \ t2 = _mm256_unpacklo_epi64(m[ 9], m[13]); \ t3 = _mm256_unpackhi_epi64(m[ 9], m[13]); \ w[ 4] = _mm256_permute2x128_si256(t0, t2, 0x20); \ w[ 6] = _mm256_permute2x128_si256(t0, t2, 0x31); \ w[ 5] = _mm256_permute2x128_si256(t1, t3, 0x20); \ w[ 7] = _mm256_permute2x128_si256(t1, t3, 0x31); \ t0 = _mm256_unpacklo_epi64(m[ 2], m[ 6]); \ t1 = _mm256_unpackhi_epi64(m[ 2], m[ 6]); \ t2 = _mm256_unpacklo_epi64(m[10], m[14]); \ t3 = _mm256_unpackhi_epi64(m[10], m[14]); \ w[ 8] = _mm256_permute2x128_si256(t0, t2, 0x20); \ w[10] = _mm256_permute2x128_si256(t0, t2, 0x31); \ w[ 9] = _mm256_permute2x128_si256(t1, t3, 0x20); \ w[11] = _mm256_permute2x128_si256(t1, t3, 0x31); \ t0 = _mm256_unpacklo_epi64(m[ 3], m[ 7]); \ t1 = _mm256_unpackhi_epi64(m[ 3], m[ 7]); \ t2 = _mm256_unpacklo_epi64(m[11], m[15]); \ t3 = _mm256_unpackhi_epi64(m[11], m[15]); \ w[12] = _mm256_permute2x128_si256(t0, t2, 0x20); \ w[14] = _mm256_permute2x128_si256(t0, t2, 0x31); \ w[13] = _mm256_permute2x128_si256(t1, t3, 0x20); \ w[15] = _mm256_permute2x128_si256(t1, t3, 0x31); \ } while(0) #define BLAKE2B_LOADMSG_V4(w, m) do { \ __m256i t[16]; \ int i; \ for(i = 0; i < 16; ++i) { \ t[i] = LOADU((m) + i * 32); \ } \ BLAKE2B_PACK_MSG_V4(w, t); \ } while(0) #endif #define BLAKE2B_UNPACK_STATE_V4(u, v) do { \ __m256i t0, t1, t2, t3; \ t0 = _mm256_unpacklo_epi64(v[0], v[1]); \ t1 = _mm256_unpackhi_epi64(v[0], v[1]); \ t2 = _mm256_unpacklo_epi64(v[2], v[3]); \ t3 = _mm256_unpackhi_epi64(v[2], v[3]); \ u[0] = _mm256_permute2x128_si256(t0, t2, 0x20); \ u[2] = _mm256_permute2x128_si256(t1, t3, 0x20); \ u[4] = _mm256_permute2x128_si256(t0, t2, 0x31); \ u[6] = _mm256_permute2x128_si256(t1, t3, 0x31); \ t0 = _mm256_unpacklo_epi64(v[4], v[5]); \ t1 = _mm256_unpackhi_epi64(v[4], v[5]); \ t2 = _mm256_unpacklo_epi64(v[6], v[7]); \ t3 = _mm256_unpackhi_epi64(v[6], v[7]); \ u[1] = _mm256_permute2x128_si256(t0, t2, 0x20); \ u[3] = _mm256_permute2x128_si256(t1, t3, 0x20); \ u[5] = _mm256_permute2x128_si256(t0, t2, 0x31); \ u[7] = _mm256_permute2x128_si256(t1, t3, 0x31); \ } while(0) #define BLAKE2B_COMPRESS_V4(v, m, counter, flag) do { \ __m256i iv[8], w[16]; \ int i, r; \ for(i = 0; i < 8; ++i) { \ iv[i] = v[i]; \ } \ v[ 8] = _mm256_set1_epi64x(blake2b_IV[0]); \ v[ 9] = _mm256_set1_epi64x(blake2b_IV[1]); \ v[10] = _mm256_set1_epi64x(blake2b_IV[2]); \ v[11] = _mm256_set1_epi64x(blake2b_IV[3]); \ v[12] = XOR(_mm256_set1_epi64x(blake2b_IV[4]), counter); \ v[13] = _mm256_set1_epi64x(blake2b_IV[5]); \ v[14] = XOR(_mm256_set1_epi64x(blake2b_IV[6]), flag); \ v[15] = XOR(_mm256_set1_epi64x(blake2b_IV[7]), flag); \ BLAKE2B_LOADMSG_V4(w, m); \ for(r = 0; r < 12; ++r) { \ BLAKE2B_ROUND_V4(v, w, r); \ } \ for(i = 0; i < 8; ++i) { \ v[i] = XOR(XOR(v[i], v[i+8]), iv[i]); \ } \ } while(0) void blake2bx4_final(const blake2b_state *S, uchar *out, u32 blockidx) { __m256i v[16], s[8], iv[8], w[16], counter, flag; uint32_t b, i, r; ALIGN(64) uint8_t buffer[4 * BLAKE2B_BLOCKBYTES]; // 4 * 128 memset(buffer, 0, 4 * BLAKE2B_BLOCKBYTES); for (i = 0; i < 4; i++) { memcpy(buffer+128*i, S->buf, S->buflen); b = htole32(4 * blockidx + i); memcpy(buffer+128*i + S->buflen, &b, 4); } for(i = 0; i < 8; ++i) { v[i] = _mm256_set1_epi64x(S->h[i]); } counter = _mm256_set1_epi64x(128 + S->buflen + 4); flag = _mm256_set1_epi64x(~0); for(i = 0; i < 8; ++i) { iv[i] = v[i]; } v[ 8] = _mm256_set1_epi64x(blake2b_IV[0]); v[ 9] = _mm256_set1_epi64x(blake2b_IV[1]); v[10] = _mm256_set1_epi64x(blake2b_IV[2]); v[11] = _mm256_set1_epi64x(blake2b_IV[3]); v[12] = XOR(_mm256_set1_epi64x(blake2b_IV[4]), counter); v[13] = _mm256_set1_epi64x(blake2b_IV[5]); v[14] = XOR(_mm256_set1_epi64x(blake2b_IV[6]), flag); v[15] = _mm256_set1_epi64x(blake2b_IV[7]); BLAKE2B_LOADMSG_V4(w, buffer); for(r = 0; r < 12; ++r) { BLAKE2B_ROUND_V4(v, w, r); } for(i = 0; i < 8; ++i) { v[i] = XOR(XOR(v[i], v[i+8]), iv[i]); } BLAKE2B_UNPACK_STATE_V4(s, v); memcpy(out, s, 256); } void blake2bx8_final(const blake2b_state *S, uchar *out, u32 blockidx) { #if 0 blake2bx4_final(S, out, 2*blockidx); blake2bx4_final(S, out+256, 2*blockidx+1); #else __m256i v[32], s[16], iv[8], w[32], counter, flag; uint32_t b, i, r; ALIGN(64) uint8_t buffer[8 * BLAKE2B_BLOCKBYTES]; memset(buffer, 0, 8 * BLAKE2B_BLOCKBYTES); for (i = 0; i < 8; i++) { memcpy(buffer+128*i, S->buf, S->buflen); b = htole32(8 * blockidx + i); memcpy(buffer+128*i + S->buflen, &b, sizeof(uint32_t)); } for(i = 0; i < 8; ++i) { v[16+i] = v[i] = iv[i] = _mm256_set1_epi64x(S->h[i]); } counter = _mm256_set1_epi64x(128 + S->buflen + sizeof(uint32_t)); flag = _mm256_set1_epi64x(~0); v[24] = v[ 8] = _mm256_set1_epi64x(blake2b_IV[0]); v[25] = v[ 9] = _mm256_set1_epi64x(blake2b_IV[1]); v[26] = v[10] = _mm256_set1_epi64x(blake2b_IV[2]); v[27] = v[11] = _mm256_set1_epi64x(blake2b_IV[3]); v[28] = v[12] = XOR(_mm256_set1_epi64x(blake2b_IV[4]), counter); v[29] = v[13] = _mm256_set1_epi64x(blake2b_IV[5]); v[30] = v[14] = XOR(_mm256_set1_epi64x(blake2b_IV[6]), flag); v[31] = v[15] = _mm256_set1_epi64x(blake2b_IV[7]); BLAKE2B_LOADMSG_V4(w, buffer); BLAKE2B_LOADMSG_V4((w+16), (buffer+512)); for(r = 0; r < 12; ++r) { BLAKE2B_ROUND_V8(v, w, r); } for(i = 0; i < 8; ++i) { v[ i] = XOR(XOR(v[ i], v[ 8+i]), iv[i]); v[16+i] = XOR(XOR(v[16+i], v[24+i]), iv[i]); } BLAKE2B_UNPACK_STATE_V4( s , v ); BLAKE2B_UNPACK_STATE_V4((s+8), (v+16)); memcpy(out, s, 8*64); #endif }