mirror of
https://github.com/BLAKE2/BLAKE2
synced 2024-11-07 14:49:17 +01:00
77 lines
3.5 KiB
C
77 lines
3.5 KiB
C
|
/*
|
||
|
|
BLAKE2 reference source code package - reference C implementations
|
||
|
|
|
||
|
|
Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
|
||
|
|
terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
|
||
|
|
your option. The terms of these licenses can be found at:
|
||
|
|
|
||
|
|
- CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
|
||
|
|
- OpenSSL license : https://www.openssl.org/source/license.html
|
||
|
|
- Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
|
||
|
|
More information about the BLAKE2 hash function can be found at
|
||
|
|
https://blake2.net.
|
||
|
|
*/
|
||
|
|
#ifndef BLAKE2B_ROUND_H
|
||
|
|
#define BLAKE2B_ROUND_H
|
||
|
|
|
||
|
|
#define vrorq_n_u64_32(x) vreinterpretq_u64_u32(vrev64q_u32(vreinterpretq_u32_u64((x))))
|
||
|
|
|
||
|
|
#define vrorq_n_u64_24(x) vcombine_u64( \
|
||
|
|
vreinterpret_u64_u8(vext_u8(vreinterpret_u8_u64(vget_low_u64(x)), vreinterpret_u8_u64(vget_low_u64(x)), 3)), \
|
||
|
|
vreinterpret_u64_u8(vext_u8(vreinterpret_u8_u64(vget_high_u64(x)), vreinterpret_u8_u64(vget_high_u64(x)), 3)))
|
||
|
|
|
||
|
|
#define vrorq_n_u64_16(x) vcombine_u64( \
|
||
|
|
vreinterpret_u64_u8(vext_u8(vreinterpret_u8_u64(vget_low_u64(x)), vreinterpret_u8_u64(vget_low_u64(x)), 2)), \
|
||
|
|
vreinterpret_u64_u8(vext_u8(vreinterpret_u8_u64(vget_high_u64(x)), vreinterpret_u8_u64(vget_high_u64(x)), 2)))
|
||
|
|
|
||
|
|
#define vrorq_n_u64_63(x) veorq_u64(vaddq_u64(x, x), vshrq_n_u64(x, 63))
|
||
|
|
|
||
|
|
#define G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1) \
|
||
|
|
row1l = vaddq_u64(vaddq_u64(row1l, b0), row2l); \
|
||
|
|
row1h = vaddq_u64(vaddq_u64(row1h, b1), row2h); \
|
||
|
|
row4l = veorq_u64(row4l, row1l); row4h = veorq_u64(row4h, row1h); \
|
||
|
|
row4l = vrorq_n_u64_32(row4l); row4h = vrorq_n_u64_32(row4h); \
|
||
|
|
row3l = vaddq_u64(row3l, row4l); row3h = vaddq_u64(row3h, row4h); \
|
||
|
|
row2l = veorq_u64(row2l, row3l); row2h = veorq_u64(row2h, row3h); \
|
||
|
|
row2l = vrorq_n_u64_24(row2l); row2h = vrorq_n_u64_24(row2h);
|
||
|
|
|
||
|
|
#define G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1) \
|
||
|
|
row1l = vaddq_u64(vaddq_u64(row1l, b0), row2l); \
|
||
|
|
row1h = vaddq_u64(vaddq_u64(row1h, b1), row2h); \
|
||
|
|
row4l = veorq_u64(row4l, row1l); row4h = veorq_u64(row4h, row1h); \
|
||
|
|
row4l = vrorq_n_u64_16(row4l); row4h = vrorq_n_u64_16(row4h); \
|
||
|
|
row3l = vaddq_u64(row3l, row4l); row3h = vaddq_u64(row3h, row4h); \
|
||
|
|
row2l = veorq_u64(row2l, row3l); row2h = veorq_u64(row2h, row3h); \
|
||
|
|
row2l = vrorq_n_u64_63(row2l); row2h = vrorq_n_u64_63(row2h);
|
||
|
|
|
||
|
|
#define DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
|
||
|
|
t0 = vextq_u64(row2l, row2h, 1); \
|
||
|
|
t1 = vextq_u64(row2h, row2l, 1); \
|
||
|
|
row2l = t0; row2h = t1; t0 = row3l; row3l = row3h; row3h = t0; \
|
||
|
|
t0 = vextq_u64(row4h, row4l, 1); t1 = vextq_u64(row4l, row4h, 1); \
|
||
|
|
row4l = t0; row4h = t1;
|
||
|
|
|
||
|
|
#define UNDIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
|
||
|
|
t0 = vextq_u64(row2h, row2l, 1); \
|
||
|
|
t1 = vextq_u64(row2l, row2h, 1); \
|
||
|
|
row2l = t0; row2h = t1; t0 = row3l; row3l = row3h; row3h = t0; \
|
||
|
|
t0 = vextq_u64(row4l, row4h, 1); t1 = vextq_u64(row4h, row4l, 1); \
|
||
|
|
row4l = t0; row4h = t1;
|
||
|
|
|
||
|
|
#include "blake2b-load-neon.h"
|
||
|
|
|
||
|
|
#define ROUND(r) \
|
||
|
|
LOAD_MSG_ ##r ##_1(b0, b1); \
|
||
|
|
G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
|
||
|
|
LOAD_MSG_ ##r ##_2(b0, b1); \
|
||
|
|
G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
|
||
|
|
DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h); \
|
||
|
|
LOAD_MSG_ ##r ##_3(b0, b1); \
|
||
|
|
G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
|
||
|
|
LOAD_MSG_ ##r ##_4(b0, b1); \
|
||
|
|
G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
|
||
|
|
UNDIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h);
|
||
|
|
|
||
|
|
#endif
|