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Overview
Comment: | Add ARMv8 neon implementation |
---|---|
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
8761eb293a63771cd8ce34ff6c0314b2 |
User & Date: | bernd 2020-01-12 21:38:52.889 |
Context
2020-01-12
| ||
21:45 | Add ARMv8 neon implementation check-in: 3ffc9ee36e user: bernd tags: trunk | |
21:38 | Add ARMv8 neon implementation check-in: 8761eb293a user: bernd tags: trunk | |
21:09 | Improve haves check-in: 90b0958714 user: bernd tags: trunk | |
Changes
Added keccakp/KeccakF-1600-armv8a-neon.c.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | /* The Keccak sponge function, designed by Guido Bertoni, Joan Daemen, Michaël Peeters and Gilles Van Assche. For more information, feedback or questions, please refer to our website: http://keccak.noekeon.org/ Implementation by the designers, hereby denoted as "the implementer". To the extent possible under law, the implementer has waived all copyright and related or neighboring rights to the source code in this file. http://creativecommons.org/publicdomain/zero/1.0/ */ #define STATEI unsigned long long int #include <string.h> #include "brg_endian.h" #include "KeccakF-1600-opt64-settings.h" #include "KeccakF-1600.h" extern void KeccakP1600_Permute(void * state, int round); extern void KeccakP1600_Initialize(void * state); void KeccakF(keccak_state state, int round) { KeccakP1600_Permute(state, round); } void KeccakInitializeState(keccak_state state) { KeccakP1600_Initialize(state); } void KeccakInitialize() { } void KeccakExtract(keccak_state state, UINT64 *data, int byteCount) { memmove(data, state, byteCount); } void KeccakAbsorb(keccak_state state, UINT64 *data, int byteCount) { int i; keccak_state datai; memmove(datai, data, byteCount); for(i=0; i<byteCount-7; i+=8) { state[i>>3] ^= datai[i>>3]; } if(byteCount & 7) { UINT64 m = 0xffffffffffffffffull >> ((8-byteCount) & 7)*8; state[i>>3] ^= datai[i>>3] & m; } } void KeccakEncrypt(keccak_state state, UINT64 *data, int byteCount) { int i; keccak_state datai; memmove(datai, data, byteCount); for(i=0; i<byteCount-7; i+=8) { datai[i>>3] = state[i>>3] ^= datai[i>>3]; } if(byteCount & 7) { UINT64 m = 0xffffffffffffffffull >> ((8-byteCount) & 7)*8; state[i>>3] ^= datai[i>>3] & m; datai[i>>3] = state[i>>3]; } memmove(data, datai, byteCount); } void KeccakDecrypt(keccak_state state, UINT64 *data, int byteCount) { int i; UINT64 tmp; keccak_state datai; memmove(datai, data, byteCount); for(i=0; i<byteCount-7; i+=8) { tmp = datai[i>>3] ^ state[i>>3]; state[i>>3] = datai[i>>3]; datai[i>>3] = tmp; } if(byteCount & 7) { UINT64 m = 0xffffffffffffffffull >> ((8-byteCount) & 7)*8; tmp = datai[i>>3] ^ state[i>>3]; state[i>>3] = (datai[i>>3] & m) | (state[i>>3] & ~m); datai[i>>3] = tmp; } memmove(data, datai, byteCount); } |
Added keccakp/KeccakF-1600-armv8a-neon.s.
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509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 | // Implementation by Andre Moraes // // This file implements Keccak-p[1600] in a SnP-compatible way. // Please refer to SnP-documentation.h for more details. // // This implementation comes with KeccakP-1600-SnP.h in the same folder. // Please refer to LowLevel.build for the exact list of other files it must be combined with. // INFO: Tested on Cortex-A53(odroid-c2), using gcc. // WARNING: These functions work only on little endian CPU with ARMv8a + NEON architecture // WARNING: State must be 512 bit (64 bytes) aligned. // WARNING: Don't use V8-V15 or X19-X28 since we aren't saving them // Note that byte order, same as the Keyakv2 Convection: // v19 = A[0] || A[4] // v19.2d[0] = A[0] // v19.2d[1] = A[4] // Register-Lane Lookup // v19 = A[0] || A[4] // v20 = A[1] || A[5] // v21 = A[2] || A[6] // v22 = A[3] || A[7] // v23 = A[8] || A[12] // v24 = A[9] || A[13] // v25 = A[10] || A[14] // v26 = A[11] || A[15] // v27 = A[16] || A[20] // v28 = A[17] || A[21] // v29 = A[18] || A[22] // v30 = A[19] || A[23] // v31 = A[24] || ????? // Transpose // trn1 v0.2d, v19.2d, v20.2d // trn2 v2.2d, v19.2d, v20.2d // v0 = A[0] || A[1] // v1 = A[4] || A[5] // Extract // ext v0.16b, v19.16b, v20.16b, #8 // v0 = A[4] || A[1] .macro LoadState ld4 { v19.2d, v20.2d, v21.2d, v22.2d }, [x0], #64 ld4 { v23.2d, v24.2d, v25.2d, v26.2d }, [x0], #64 ld4 { v27.2d, v28.2d, v29.2d, v30.2d }, [x0], #64 ld1 { v31.d }[0], [x0], #8 sub x0, x0, #200 movi v16.2d, #0 .endm .macro StoreState st4 { v19.2d, v20.2d, v21.2d, v22.2d }, [x0], #64 st4 { v23.2d, v24.2d, v25.2d, v26.2d }, [x0], #64 st4 { v27.2d, v28.2d, v29.2d, v30.2d }, [x0], #64 st1 { v31.d }[0], [x0], #8 .endm .macro RhoPi dst, src, sav, rot ror \src, \src, #64-\rot mov \sav, \dst mov \dst, \src .endm // NEON has no BIT-wise vector rotate operation .macro ROTL64 dst, src, rot .if (\rot & 7) != 0 // Bit-wise rotation shl \dst\().2d, \src\().2d, #\rot sri \dst\().2d, \src\().2d, #64-\rot .else // Byte-wise rotation, we can use EXT ext \dst\().16b, \src\().16b, \src\().16b, #\rot/8 .endif .endm .macro KeccakRound // Theta - Build new lanes eor v0.16b, v19.16b, v25.16b // v0 = (A[0] ^ A[10]) || (A[4] ^ A[14]) eor v1.16b, v20.16b, v26.16b // v1 = (A[1] ^ A[11]) || (A[5] ^ A[15]) eor v2.16b, v21.16b, v28.16b // v2 = (A[2] ^ A[17]) || (A[6] ^ A[21]) eor v3.16b, v22.16b, v23.16b // v3 = (A[3] ^ A[8]) || (A[7] ^ A[12]) eor v4.16b, v24.16b, v30.16b // v4 = (A[9] ^ A[19]) || (A[13] ^ A[23]) eor v1.16b, v1.16b, v27.16b // v1 = (A[1] ^ A[11] ^ A[16]) || (A[5] ^ A[15] ^ A[20]) eor v3.16b, v3.16b, v29.16b // v3 = (A[3] ^ A[8] ^ A[18]) || (A[7] ^ A[12] ^ A[22]) trn1 v5.2d, v0.2d, v1.2d // v5 = (A[0] ^ A[10]) || (A[1] ^ A[11] ^ A[16]) trn2 v6.2d, v1.2d, v2.2d // v6 = (A[5] ^ A[15] ^ A[20]) || (A[6] ^ A[21]) eor v1.16b, v5.16b, v6.16b // v1 = B[0] || B[1] ext v5.16b, v4.16b, v2.16b, #8 // v5 = (A[13] ^ A[23]) || (A[2] ^ A[17]) eor v3.16b, v3.16b, v5.16b // v3 = B[3] || B[2] mov v5.2d[0], v0.2d[1] // v5 = (A[4] ^ A[14]) || ???? eor v4.16b, v4.16b, v5.16b // v4 = (A[9] ^ A[19] ^ A[4] ^ A[14]) || ???? eor v4.16b, v4.16b, v31.16b // v4 = B[4] || ???? ext v2.16b, v1.16b, v1.16b, #8 // v2 = B[1] || B[0] mov v4.2d[1], v3.2d[0] // v4 = B[4] || B[3] trn2 v0.2d, v3.2d, v1.2d // v0 = B[2] || B[1] ROTL64 v5, v2, 1 // v5 = ROTL64(B[1], 1) || ROTL64(B[0], 1) ROTL64 v6, v3, 1 // v6 = ROTL64(B[3], 1) || ROTL64(B[2], 1) ROTL64 v7, v4, 1 // v7 = ROTL64(B[4], 1) || ROTL64(B[3], 1) eor v18.16b, v4.16b, v5.16b // v18 = B[4] ^ ROTL64(B[1], 1) || B[3] ^ ROTL64(B[0], 1) eor v2.16b, v2.16b, v6.16b // v2 = B[1] ^ ROTL64(B[3], 1) || B[0] ^ ROTL64(B[2], 1) eor v0.16b, v0.16b, v7.16b // v0 = B[2] ^ ROTL64(B[4], 1) || B[1] ^ ROTL64(B[3], 1) ext v7.16b, v5.16b, v7.16b, #8 // v7 = ROTL64(B[0], 1) || ROTL64(B[4], 1) eor v7.16b, v3.16b, v7.16b // v7 = B[3] ^ ROTL64(B[0], 1) || B[2] ^ ROTL64(B[4], 1) ext v6.16b, v6.16b, v5.16b, #8 // v6 = ROTL64(B[2], 1) || ROTL64(B[1], 1) trn1 v4.2d, v1.2d, v4.2d // v4 = B[0] || B[4] eor v6.16b, v4.16b, v6.16b // v6 = B[0] ^ ROTL64(B[2], 1) || B[4] ^ ROTL64(B[1], 1) // Theta - Apply lanes eor v19.16b, v19.16b, v18.16b // A[0] ^= B[4] ^ ROTL64(B[1], 1), A[4] ^= B[3] ^ ROTL64(B[0], 1) eor v20.16b, v20.16b, v6.16b // A[1] ^= B[0] ^ ROTL64(B[2], 1), A[5] ^= B[4] ^ ROTL64(B[1], 1) eor v21.16b, v21.16b, v2.16b // A[2] ^= B[1] ^ ROTL64(B[3], 1), A[6] ^= B[0] ^ ROTL64(B[2], 1) eor v22.16b, v22.16b, v0.16b // A[3] ^= B[2] ^ ROTL64(B[4], 1), A[7] ^= B[1] ^ ROTL64(B[3], 1) eor v23.16b, v23.16b, v0.16b // A[8] ^= B[2] ^ ROTL64(B[4], 1), A[12] ^= B[1] ^ ROTL64(B[3], 1) eor v24.16b, v24.16b, v7.16b // A[9] ^= B[3] ^ ROTL64(B[0], 1), A[13] ^= B[2] ^ ROTL64(B[4], 1) eor v25.16b, v25.16b, v18.16b // A[10] ^= B[4] ^ ROTL64(B[1], 1), A[14] ^= B[3] ^ ROTL64(B[0], 1) eor v26.16b, v26.16b, v6.16b // A[11] ^= B[0] ^ ROTL64(B[2], 1), A[15] ^= B[4] ^ ROTL64(B[1], 1) eor v27.16b, v27.16b, v6.16b // A[16] ^= B[0] ^ ROTL64(B[2], 1), A[20] ^= B[4] ^ ROTL64(B[1], 1) eor v28.16b, v28.16b, v2.16b // A[17] ^= B[1] ^ ROTL64(B[3], 1), A[21] ^= B[0] ^ ROTL64(B[2], 1) eor v29.16b, v29.16b, v0.16b // A[18] ^= B[2] ^ ROTL64(B[4], 1), A[22] ^= B[1] ^ ROTL64(B[3], 1) eor v30.16b, v30.16b, v7.16b // A[19] ^= B[3] ^ ROTL64(B[0], 1), A[23] ^= B[2] ^ ROTL64(B[4], 1) eor v31.16b, v31.16b, v7.16b // A[24] ^= B[3] ^ ROTL64(B[0], 1), ???? // Rho Pi mov x11, v20.2d[0] // x11 = A[1] RhoPi v25.2d[0], x11, x10, 1 // A[10] = ROTL64(A[1], 1) RhoPi v22.2d[1], x10, x11, 3 // A[7] = ROTL64(A[10], 3) RhoPi v26.2d[0], x11, x10, 6 // A[11] = ROTL64(A[7], 6) RhoPi v28.2d[0], x10, x11, 10 // A[17] = ROTL64(A[11], 10) RhoPi v29.2d[0], x11, x10, 15 // A[18] = ROTL64(A[17], 15) RhoPi v22.2d[0], x10, x11, 21 // A[3] = ROTL64(A[18], 21) RhoPi v20.2d[1], x11, x10, 28 // A[5] = ROTL64(A[3], 28) RhoPi v27.2d[0], x10, x11, 36 // A[16] = ROTL64(A[5], 36) RhoPi v23.2d[0], x11, x10, 45 // A[8] = ROTL64(A[16], 45) RhoPi v28.2d[1], x10, x11, 55 // A[21] = ROTL64(A[8], 55) RhoPi v31.2d[0], x11, x10, 2 // A[24] = ROTL64(A[21], 2) RhoPi v19.2d[1], x10, x11, 14 // A[4] = ROTL64(A[24], 14) RhoPi v26.2d[1], x11, x10, 27 // A[15] = ROTL64(A[4], 27) RhoPi v30.2d[1], x10, x11, 41 // A[23] = ROTL64(A[15], 41) RhoPi v30.2d[0], x11, x10, 56 // A[19] = ROTL64(A[23], 56) RhoPi v24.2d[1], x10, x11, 8 // A[13] = ROTL64(A[19], 8) RhoPi v23.2d[1], x11, x10, 25 // A[12] = ROTL64(A[13], 25) RhoPi v21.2d[0], x10, x11, 43 // A[2] = ROTL64(A[12], 43) RhoPi v27.2d[1], x11, x10, 62 // A[20] = ROTL64(A[2], 62) RhoPi v25.2d[1], x10, x11, 18 // A[14] = ROTL64(A[20], 18) RhoPi v29.2d[1], x11, x10, 39 // A[22] = ROTL64(A[14], 39) RhoPi v24.2d[0], x10, x11, 61 // A[9] = ROTL64(A[22], 61) RhoPi v21.2d[1], x11, x10, 20 // A[6] = ROTL64(A[9], 20) ror x10, x10, #20 mov v20.2d[0], x10 // A[1] = ROTL64(A[6], 44) // Chi - Some lanes are applied earlier so we can reuse registers ext v18.16b, v26.16b, v31.16b, #8 // v18 = A[15] || A[24] bic v6.16b, v27.16b, v18.16b // v6 = ~A[15] & A[16] || ~A[24] & A[20] ext v17.16b, v26.16b, v31.16b, #8 // v17 = A[15] || A[24] bic v5.16b, v17.16b, v30.16b // v5 = ~A[19] & A[15] || ~A[23] & A[24] bic v3.16b, v30.16b, v29.16b // v3 = ~A[18] & A[19] || ~A[22] & A[23] eor v30.16b, v30.16b, v6.16b // A[19] ^= ~A[15] & A[16], A[23] ^= ~A[24] & A[20] trn1 v18.2d, v26.2d, v25.2d // v18 = A[11] || A[10] ext v17.16b, v23.16b, v26.16b, #8 // v17 = A[12] || A[11] bic v7.16b, v17.16b, v18.16b // v7 = ~A[11] & A[12] || ~A[10] & A[11] trn2 v18.2d, v20.2d, v25.2d // v18 = A[5] || A[14] ext v17.16b, v21.16b, v25.16b, #8 // v17 = A[6] || A[10] bic v6.16b, v17.16b, v18.16b // v6 = ~A[5] & A[6] || ~A[14] & A[10] trn1 v18.2d, v20.2d, v19.2d // v18 = A[1] || A[0] trn1 v17.2d, v21.2d, v20.2d // v17 = A[2] || A[1] bic v1.16b, v17.16b, v18.16b // v1 = ~A[1] & A[2] || ~A[0] & A[1] ext v18.16b, v19.16b, v23.16b, #8 // v18 = A[4] || A[8] trn1 v17.2d, v19.2d, v24.2d // v17 = A[0] || A[9] bic v0.16b, v17.16b, v18.16b // v0 = ~A[4] & A[0] || ~A[8] & A[9] ext v18.16b, v23.16b, v27.16b, #8 // v18 = A[12] || A[16] ext v17.16b, v24.16b, v28.16b, #8 // v17 = A[13] || A[17] bic v4.16b, v17.16b, v18.16b // v4 = ~A[12] & A[13] || ~A[16] & A[17] mov v18.2d[0], v27.2d[1] // v18 = A[20] || ???? mov v17.2d[0], v28.2d[1] // v17 = A[21] || ???? bic v2.16b, v17.16b, v18.16b // v2 = ~A[20] & A[21] || ???? eor v31.16b, v31.16b, v2.16b // A[24] ^= ~A[20] & A[21], ???? bic v2.16b, v29.16b, v28.16b // v2 = ~A[17] & A[18] || ~A[21] & A[22] eor v27.16b, v27.16b, v2.16b // A[16] ^= ~A[17] & A[18], A[20] ^= ~A[21] & A[22] bic v2.16b, v22.16b, v21.16b // v2 = ~A[2] & A[3] || ~A[6] & A[7] eor v28.16b, v28.16b, v3.16b // A[17] ^= ~A[18] & A[19], A[21] ^= ~A[22] & A[23] eor v29.16b, v29.16b, v5.16b // A[18] ^= ~A[19] & A[15], A[22] ^= ~A[23] & A[24] ext v17.16b, v19.16b, v23.16b, #8 // v17 = A[4] || A[8] bic v3.16b, v17.16b, v22.16b // v3 = ~A[3] & A[4] || ~A[7] & A[8] trn2 v17.2d, v20.2d, v25.2d // v17 = A[5] || A[14] bic v5.16b, v17.16b, v24.16b // v5 = ~A[9] & A[5] || ~A[13] & A[14] // Chi - Apply remaining lanes eor v19.16b, v19.16b, v1.16b // A[0] ^= ~A[1] & A[2], A[4] ^= ~A[0] & A[1] eor v20.16b, v20.16b, v2.16b // A[1] ^= ~A[2] & A[3], A[5] ^= ~A[6] & A[7] eor v21.16b, v21.16b, v3.16b // A[2] ^= ~A[3] & A[4], A[6] ^= ~A[7] & A[8] eor v22.16b, v22.16b, v0.16b // A[3] ^= ~A[4] & A[0], A[7] ^= ~A[8] & A[9] eor v23.16b, v23.16b, v5.16b // A[8] ^= ~A[9] & A[5], A[12] ^= ~A[13] & A[14] eor v24.16b, v24.16b, v6.16b // A[9] ^= ~A[5] & A[6], A[13] ^= ~A[14] & A[10] eor v25.16b, v25.16b, v7.16b // A[10] ^= ~A[11] & A[12], A[14] ^= ~A[10] & A[11] eor v26.16b, v26.16b, v4.16b // A[11] ^= ~A[12] & A[13], A[15] ^= ~A[16] & A[17] // Iota ld1 { v16.d }[0], [x1], #8 eor v19.16b, v19.16b, v16.16b .endm .align 8 KeccakP1600_Permute_RoundConstants24: .quad 0x0000000000000001 .quad 0x0000000000008082 .quad 0x800000000000808a .quad 0x8000000080008000 .quad 0x000000000000808b .quad 0x0000000080000001 .quad 0x8000000080008081 .quad 0x8000000000008009 .quad 0x000000000000008a .quad 0x0000000000000088 .quad 0x0000000080008009 .quad 0x000000008000000a KeccakP1600_Permute_RoundConstants12: .quad 0x000000008000808b .quad 0x800000000000008b .quad 0x8000000000008089 .quad 0x8000000000008003 .quad 0x8000000000008002 .quad 0x8000000000000080 .quad 0x000000000000800a .quad 0x800000008000000a .quad 0x8000000080008081 .quad 0x8000000000008080 .quad 0x0000000080000001 .quad 0x8000000080008008 KeccakP1600_Permute_RoundConstants0: //---------------------------------------------------------------------------- // // void KeccakP1600_Initialize(void *state) // .align 8 .global KeccakP1600_Initialize KeccakP1600_Initialize: movi v0.2d, #0 movi v1.2d, #0 movi v2.2d, #0 movi v3.2d, #0 st4 { v0.2d, v1.2d, v2.2d, v3.2d }, [x0], #64 // Clear 8lanes=64 bytes at a time st4 { v0.2d, v1.2d, v2.2d, v3.2d }, [x0], #64 st4 { v0.2d, v1.2d, v2.2d, v3.2d }, [x0], #64 st1 { v0.d }[0], [x0], #8 ret // ---------------------------------------------------------------------------- // // void KeccakP1600_AddByte(void *state, unsigned char byte, unsigned int offset) // .align 8 .global KeccakP1600_AddByte KeccakP1600_AddByte: ldrb w3, [x0, x2] eor w3, w3, w1 strb w3, [x0, x2] ret // ---------------------------------------------------------------------------- // // void KeccakP1600_AddBytes(void *state, const unsigned char *data, unsigned int offset, unsigned int length) // .align 8 .global KeccakP1600_AddBytes KeccakP1600_AddBytes: add x0, x0, x2 subs w4, w3, #1 b.cc KeccakP1600_AddBytes_Exit // length 0, move along KeccakP1600_AddBytes_8LanesLoop: // Go 8 lanes=64 bytes at a time subs w3, w3, #64 b.cc KeccakP1600_AddBytes_Lanes // Jump if length is negative ld4 { v0.2d, v1.2d, v2.2d, v3.2d }, [x0] ld4 { v4.2d, v5.2d, v6.2d, v7.2d }, [x1], #64 eor v0.16b, v0.16b, v4.16b eor v1.16b, v1.16b, v5.16b eor v2.16b, v2.16b, v6.16b eor v3.16b, v3.16b, v7.16b st4 { v0.2d, v1.2d, v2.2d, v3.2d }, [x0], #64 b KeccakP1600_AddBytes_8LanesLoop KeccakP1600_AddBytes_Lanes: // If length ever becomes negative, we have to fix it add w3, w3, #64 KeccakP1600_AddBytes_LanesLoop: // Same thing but go 1 lanes=8 bytes at a time subs w3, w3, #8 b.cc KeccakP1600_AddBytes_Bytes ld1 { v0.d }[0], [x0] ld1 { v4.d }[0], [x1], #8 eor v0.8b, v0.8b, v4.8b st1 { v0.d }[0], [x0], #8 b KeccakP1600_AddBytes_LanesLoop KeccakP1600_AddBytes_Bytes: add w3, w3, #8 KeccakP1600_AddBytes_BytesLoop: // Same thing but go 1 byte at a time subs w3, w3, #1 b.cc KeccakP1600_AddBytes_Exit ldrb w4, [x0] ldrb w5, [x1], #1 eor w4, w4, w5 strb w4, [x0], #1 b KeccakP1600_AddBytes_BytesLoop KeccakP1600_AddBytes_Exit: ret // ---------------------------------------------------------------------------- // // void KeccakP1600_OverwriteBytes(void *state, const unsigned char *data, unsigned int offset, unsigned int length) // .align 8 .global KeccakP1600_OverwriteBytes KeccakP1600_OverwriteBytes: add x0, x0, x2 subs w4, w3, #1 b.cc KeccakP1600_OverwriteBytes_Exit KeccakP1600_OverwriteBytes_8LanesLoop: subs w3, w3, #64 b.cc KeccakP1600_OverwriteBytes_Lanes ld4 { v0.2d, v1.2d, v2.2d, v3.2d }, [x1], #64 st4 { v0.2d, v1.2d, v2.2d, v3.2d }, [x0], #64 b KeccakP1600_OverwriteBytes_8LanesLoop KeccakP1600_OverwriteBytes_Lanes: add w3, w3, #64 KeccakP1600_OverwriteBytes_LanesLoop: subs w3, w3, #8 b.cc KeccakP1600_OverwriteBytes_Bytes ld1 { v0.d }[0], [x1], #8 st1 { v0.d }[0], [x0], #8 b KeccakP1600_OverwriteBytes_LanesLoop KeccakP1600_OverwriteBytes_Bytes: add w3, w3, #8 KeccakP1600_OverwriteBytes_BytesLoop: subs w3, w3, #1 b.cc KeccakP1600_OverwriteBytes_Exit ldrb w4, [x1], #1 strb w4, [x0], #1 b KeccakP1600_OverwriteBytes_BytesLoop KeccakP1600_OverwriteBytes_Exit: ret //---------------------------------------------------------------------------- // // void KeccakP1600_OverwriteWithZeroes(void *state, unsigned int byteCount) // .align 8 .global KeccakP1600_OverwriteWithZeroes KeccakP1600_OverwriteWithZeroes: subs w2, w1, #1 b.cc KeccakP1600_OverwriteWithZeroes_Exit movi v0.2d, #0 movi v1.2d, #0 movi v2.2d, #0 movi v3.2d, #0 mov w2, #0 KeccakP1600_OverwriteWithZeroes_8LanesLoop: subs w1, w1, #64 b.cc KeccakP1600_OverwriteWithZeroes_Lanes st4 { v0.2d, v1.2d, v2.2d, v3.2d }, [x0], #64 b KeccakP1600_OverwriteWithZeroes_8LanesLoop KeccakP1600_OverwriteWithZeroes_Lanes: add w1, w1, #64 KeccakP1600_OverwriteWithZeroes_LanesLoop: subs w1, w1, #8 b.cc KeccakP1600_OverwriteWithZeroes_Bytes st1 { v0.d }[0], [x0], #8 b KeccakP1600_OverwriteWithZeroes_LanesLoop KeccakP1600_OverwriteWithZeroes_Bytes: add w1, w1, #8 KeccakP1600_OverwriteWithZeroes_LoopBytes: subs w1, w1, #1 b.cc KeccakP1600_OverwriteWithZeroes_Exit strb w2, [x0], #1 b KeccakP1600_OverwriteWithZeroes_LoopBytes KeccakP1600_OverwriteWithZeroes_Exit: ret // ---------------------------------------------------------------------------- // // void KeccakP1600_ExtractBytes(void *state, const unsigned char *data, unsigned int offset, unsigned int length) // .align 8 .global KeccakP1600_ExtractBytes KeccakP1600_ExtractBytes: add x0, x0, x2 subs w4, w3, #1 b.cc KeccakP1600_ExtractBytes_Exit KeccakP1600_ExtractBytes_8LanesLoop: subs w3, w3, #64 b.cc KeccakP1600_ExtractBytes_Lanes ld4 { v0.2d, v1.2d, v2.2d, v3.2d }, [x0], #64 st4 { v0.2d, v1.2d, v2.2d, v3.2d }, [x1], #64 b KeccakP1600_ExtractBytes_8LanesLoop KeccakP1600_ExtractBytes_Lanes: add w3, w3, #64 KeccakP1600_ExtractBytes_LanesLoop: subs w3, w3, #8 b.cc KeccakP1600_ExtractBytes_Bytes ld1 { v0.d }[0], [x0], #8 st1 { v0.d }[0], [x1], #8 b KeccakP1600_ExtractBytes_LanesLoop KeccakP1600_ExtractBytes_Bytes: add w3, w3, #8 KeccakP1600_ExtractBytes_BytesLoop: subs w3, w3, #1 b.cc KeccakP1600_ExtractBytes_Exit ldrb w4, [x0], #1 strb w4, [x1], #1 b KeccakP1600_ExtractBytes_BytesLoop KeccakP1600_ExtractBytes_Exit: ret // ---------------------------------------------------------------------------- // // void KeccakP800_ExtractAndAddBytes(void *state, const unsigned char *input, unsigned char *output, unsigned int offset, unsigned int length) // .align 8 .global KeccakP1600_ExtractAndAddBytes KeccakP1600_ExtractAndAddBytes: add x0, x0, x3 subs w5, w4, #1 b.cc KeccakP1600_ExtractAndAddBytes_Exit KeccakP1600_ExtractAndAddBytes_8LanesLoop: subs w4, w4, #64 b.cc KeccakP1600_ExtractAndAddBytes_Lanes ld4 { v0.2d, v1.2d, v2.2d, v3.2d }, [x0], #64 ld4 { v4.2d, v5.2d, v6.2d, v7.2d }, [x1], #64 eor v0.16b, v0.16b, v4.16b eor v1.16b, v1.16b, v5.16b eor v2.16b, v2.16b, v6.16b eor v3.16b, v3.16b, v7.16b st4 { v0.2d, v1.2d, v2.2d, v3.2d }, [x2], #64 b KeccakP1600_ExtractAndAddBytes_8LanesLoop KeccakP1600_ExtractAndAddBytes_Lanes: add w4, w4, #64 KeccakP1600_ExtractAndAddBytes_LanesLoop: subs w4, w4, #8 b.cc KeccakP1600_ExtractAndAddBytes_Bytes ld1 { v0.d }[0], [x0], #8 ld1 { v4.d }[0], [x1], #8 eor v0.8b, v0.8b, v4.8b st1 { v0.d }[0], [x2], #8 b KeccakP1600_ExtractAndAddBytes_LanesLoop KeccakP1600_ExtractAndAddBytes_Bytes: add w4, w4, #8 KeccakP1600_ExtractAndAddBytes_BytesLoop: subs w4, w4, #1 b.cc KeccakP1600_ExtractAndAddBytes_Exit ldrb w5, [x0], #1 ldrb w6, [x1], #1 eor w5, w5, w6 strb w5, [x2], #1 b KeccakP1600_ExtractAndAddBytes_BytesLoop KeccakP1600_ExtractAndAddBytes_Exit: ret // ---------------------------------------------------------------------------- // // void KeccakP1600_Permute_Nrounds( void *state, unsigned int nrounds ) // .align 8 .global KeccakP1600_Permute_Nrounds KeccakP1600_Permute_Nrounds: mov x2, x1 adr x1, KeccakP1600_Permute_RoundConstants0 lsl x3, x2, #3 sub x1, x1, x3 b KeccakP1600_Permute // ---------------------------------------------------------------------------- // // void KeccakP1600_Permute_12rounds( void *state ) // .align 8 .global KeccakP1600_Permute_12rounds KeccakP1600_Permute_12rounds: adr x1, KeccakP1600_Permute_RoundConstants12 mov x2, #12 b KeccakP1600_Permute // ---------------------------------------------------------------------------- // // void KeccakP1600_Permute_24rounds( void *state ) // .align 8 .global KeccakP1600_Permute_24rounds KeccakP1600_Permute_24rounds: adr x1, KeccakP1600_Permute_RoundConstants24 mov x2, #24 b KeccakP1600_Permute //---------------------------------------------------------------------------- // // void KeccakP1600_Permute( void *state, uint64_t *rc, unsigned int nrounds ) // .align 8 .global KeccakP1600_Permute KeccakP1600_Permute: LoadState KeccakP1600_Permute_RoundLoop: KeccakRound subs w2, w2, #1 bne KeccakP1600_Permute_RoundLoop KeccakP1600_Permute_Exit: StoreState ret |
Changes to keccakp/configure.ac.
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25 26 27 28 29 30 31 32 33 34 35 36 37 38 | esac flags="$CFLAGS" nomflags="`echo $CFLAGS | sed -e 's/-m[[^ ]]* //g'`" # special optimizations for some plattforms case "$host" in arm*-*linux*) flags="$CFLAGS" asmflags="$CFLAGS" fastasmflags="-O3 -mfpu=neon $nomflags" fastflags="-O3 -mfpu=neon $nomflags" as="inplace-armgcc-ARMv7A-NEON" enable_asm=yes | > > > > > > > > > | 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | esac flags="$CFLAGS" nomflags="`echo $CFLAGS | sed -e 's/-m[[^ ]]* //g'`" # special optimizations for some plattforms case "$host" in aarch64*) asmflags="-O3 -mfpu=neon $nomflags" flags="-O3 -mfpu=neon $nomflags" as="armv8a-neon" enable_asm=yes plattform=armv8a-neon CFLAGS="" CCASFLAGS="" ;; arm*-*linux*) flags="$CFLAGS" asmflags="$CFLAGS" fastasmflags="-O3 -mfpu=neon $nomflags" fastflags="-O3 -mfpu=neon $nomflags" as="inplace-armgcc-ARMv7A-NEON" enable_asm=yes |
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