diff options
Diffstat (limited to 'vendor/golang.org/x/crypto/argon2/blamka_generic.go')
| -rw-r--r-- | vendor/golang.org/x/crypto/argon2/blamka_generic.go | 163 | 
1 files changed, 163 insertions, 0 deletions
diff --git a/vendor/golang.org/x/crypto/argon2/blamka_generic.go b/vendor/golang.org/x/crypto/argon2/blamka_generic.go new file mode 100644 index 0000000..a481b22 --- /dev/null +++ b/vendor/golang.org/x/crypto/argon2/blamka_generic.go  | |||
| @@ -0,0 +1,163 @@ | |||
| 1 | // Copyright 2017 The Go Authors. All rights reserved. | ||
| 2 | // Use of this source code is governed by a BSD-style | ||
| 3 | // license that can be found in the LICENSE file. | ||
| 4 | |||
| 5 | package argon2 | ||
| 6 | |||
| 7 | var useSSE4 bool | ||
| 8 | |||
| 9 | func processBlockGeneric(out, in1, in2 *block, xor bool) { | ||
| 10 | var t block | ||
| 11 | for i := range t { | ||
| 12 | t[i] = in1[i] ^ in2[i] | ||
| 13 | } | ||
| 14 | for i := 0; i < blockLength; i += 16 { | ||
| 15 | blamkaGeneric( | ||
| 16 | &t[i+0], &t[i+1], &t[i+2], &t[i+3], | ||
| 17 | &t[i+4], &t[i+5], &t[i+6], &t[i+7], | ||
| 18 | &t[i+8], &t[i+9], &t[i+10], &t[i+11], | ||
| 19 | &t[i+12], &t[i+13], &t[i+14], &t[i+15], | ||
| 20 | ) | ||
| 21 | } | ||
| 22 | for i := 0; i < blockLength/8; i += 2 { | ||
| 23 | blamkaGeneric( | ||
| 24 | &t[i], &t[i+1], &t[16+i], &t[16+i+1], | ||
| 25 | &t[32+i], &t[32+i+1], &t[48+i], &t[48+i+1], | ||
| 26 | &t[64+i], &t[64+i+1], &t[80+i], &t[80+i+1], | ||
| 27 | &t[96+i], &t[96+i+1], &t[112+i], &t[112+i+1], | ||
| 28 | ) | ||
| 29 | } | ||
| 30 | if xor { | ||
| 31 | for i := range t { | ||
| 32 | out[i] ^= in1[i] ^ in2[i] ^ t[i] | ||
| 33 | } | ||
| 34 | } else { | ||
| 35 | for i := range t { | ||
| 36 | out[i] = in1[i] ^ in2[i] ^ t[i] | ||
| 37 | } | ||
| 38 | } | ||
| 39 | } | ||
| 40 | |||
| 41 | func blamkaGeneric(t00, t01, t02, t03, t04, t05, t06, t07, t08, t09, t10, t11, t12, t13, t14, t15 *uint64) { | ||
| 42 | v00, v01, v02, v03 := *t00, *t01, *t02, *t03 | ||
| 43 | v04, v05, v06, v07 := *t04, *t05, *t06, *t07 | ||
| 44 | v08, v09, v10, v11 := *t08, *t09, *t10, *t11 | ||
| 45 | v12, v13, v14, v15 := *t12, *t13, *t14, *t15 | ||
| 46 | |||
| 47 | v00 += v04 + 2*uint64(uint32(v00))*uint64(uint32(v04)) | ||
| 48 | v12 ^= v00 | ||
| 49 | v12 = v12>>32 | v12<<32 | ||
| 50 | v08 += v12 + 2*uint64(uint32(v08))*uint64(uint32(v12)) | ||
| 51 | v04 ^= v08 | ||
| 52 | v04 = v04>>24 | v04<<40 | ||
| 53 | |||
| 54 | v00 += v04 + 2*uint64(uint32(v00))*uint64(uint32(v04)) | ||
| 55 | v12 ^= v00 | ||
| 56 | v12 = v12>>16 | v12<<48 | ||
| 57 | v08 += v12 + 2*uint64(uint32(v08))*uint64(uint32(v12)) | ||
| 58 | v04 ^= v08 | ||
| 59 | v04 = v04>>63 | v04<<1 | ||
| 60 | |||
| 61 | v01 += v05 + 2*uint64(uint32(v01))*uint64(uint32(v05)) | ||
| 62 | v13 ^= v01 | ||
| 63 | v13 = v13>>32 | v13<<32 | ||
| 64 | v09 += v13 + 2*uint64(uint32(v09))*uint64(uint32(v13)) | ||
| 65 | v05 ^= v09 | ||
| 66 | v05 = v05>>24 | v05<<40 | ||
| 67 | |||
| 68 | v01 += v05 + 2*uint64(uint32(v01))*uint64(uint32(v05)) | ||
| 69 | v13 ^= v01 | ||
| 70 | v13 = v13>>16 | v13<<48 | ||
| 71 | v09 += v13 + 2*uint64(uint32(v09))*uint64(uint32(v13)) | ||
| 72 | v05 ^= v09 | ||
| 73 | v05 = v05>>63 | v05<<1 | ||
| 74 | |||
| 75 | v02 += v06 + 2*uint64(uint32(v02))*uint64(uint32(v06)) | ||
| 76 | v14 ^= v02 | ||
| 77 | v14 = v14>>32 | v14<<32 | ||
| 78 | v10 += v14 + 2*uint64(uint32(v10))*uint64(uint32(v14)) | ||
| 79 | v06 ^= v10 | ||
| 80 | v06 = v06>>24 | v06<<40 | ||
| 81 | |||
| 82 | v02 += v06 + 2*uint64(uint32(v02))*uint64(uint32(v06)) | ||
| 83 | v14 ^= v02 | ||
| 84 | v14 = v14>>16 | v14<<48 | ||
| 85 | v10 += v14 + 2*uint64(uint32(v10))*uint64(uint32(v14)) | ||
| 86 | v06 ^= v10 | ||
| 87 | v06 = v06>>63 | v06<<1 | ||
| 88 | |||
| 89 | v03 += v07 + 2*uint64(uint32(v03))*uint64(uint32(v07)) | ||
| 90 | v15 ^= v03 | ||
| 91 | v15 = v15>>32 | v15<<32 | ||
| 92 | v11 += v15 + 2*uint64(uint32(v11))*uint64(uint32(v15)) | ||
| 93 | v07 ^= v11 | ||
| 94 | v07 = v07>>24 | v07<<40 | ||
| 95 | |||
| 96 | v03 += v07 + 2*uint64(uint32(v03))*uint64(uint32(v07)) | ||
| 97 | v15 ^= v03 | ||
| 98 | v15 = v15>>16 | v15<<48 | ||
| 99 | v11 += v15 + 2*uint64(uint32(v11))*uint64(uint32(v15)) | ||
| 100 | v07 ^= v11 | ||
| 101 | v07 = v07>>63 | v07<<1 | ||
| 102 | |||
| 103 | v00 += v05 + 2*uint64(uint32(v00))*uint64(uint32(v05)) | ||
| 104 | v15 ^= v00 | ||
| 105 | v15 = v15>>32 | v15<<32 | ||
| 106 | v10 += v15 + 2*uint64(uint32(v10))*uint64(uint32(v15)) | ||
| 107 | v05 ^= v10 | ||
| 108 | v05 = v05>>24 | v05<<40 | ||
| 109 | |||
| 110 | v00 += v05 + 2*uint64(uint32(v00))*uint64(uint32(v05)) | ||
| 111 | v15 ^= v00 | ||
| 112 | v15 = v15>>16 | v15<<48 | ||
| 113 | v10 += v15 + 2*uint64(uint32(v10))*uint64(uint32(v15)) | ||
| 114 | v05 ^= v10 | ||
| 115 | v05 = v05>>63 | v05<<1 | ||
| 116 | |||
| 117 | v01 += v06 + 2*uint64(uint32(v01))*uint64(uint32(v06)) | ||
| 118 | v12 ^= v01 | ||
| 119 | v12 = v12>>32 | v12<<32 | ||
| 120 | v11 += v12 + 2*uint64(uint32(v11))*uint64(uint32(v12)) | ||
| 121 | v06 ^= v11 | ||
| 122 | v06 = v06>>24 | v06<<40 | ||
| 123 | |||
| 124 | v01 += v06 + 2*uint64(uint32(v01))*uint64(uint32(v06)) | ||
| 125 | v12 ^= v01 | ||
| 126 | v12 = v12>>16 | v12<<48 | ||
| 127 | v11 += v12 + 2*uint64(uint32(v11))*uint64(uint32(v12)) | ||
| 128 | v06 ^= v11 | ||
| 129 | v06 = v06>>63 | v06<<1 | ||
| 130 | |||
| 131 | v02 += v07 + 2*uint64(uint32(v02))*uint64(uint32(v07)) | ||
| 132 | v13 ^= v02 | ||
| 133 | v13 = v13>>32 | v13<<32 | ||
| 134 | v08 += v13 + 2*uint64(uint32(v08))*uint64(uint32(v13)) | ||
| 135 | v07 ^= v08 | ||
| 136 | v07 = v07>>24 | v07<<40 | ||
| 137 | |||
| 138 | v02 += v07 + 2*uint64(uint32(v02))*uint64(uint32(v07)) | ||
| 139 | v13 ^= v02 | ||
| 140 | v13 = v13>>16 | v13<<48 | ||
| 141 | v08 += v13 + 2*uint64(uint32(v08))*uint64(uint32(v13)) | ||
| 142 | v07 ^= v08 | ||
| 143 | v07 = v07>>63 | v07<<1 | ||
| 144 | |||
| 145 | v03 += v04 + 2*uint64(uint32(v03))*uint64(uint32(v04)) | ||
| 146 | v14 ^= v03 | ||
| 147 | v14 = v14>>32 | v14<<32 | ||
| 148 | v09 += v14 + 2*uint64(uint32(v09))*uint64(uint32(v14)) | ||
| 149 | v04 ^= v09 | ||
| 150 | v04 = v04>>24 | v04<<40 | ||
| 151 | |||
| 152 | v03 += v04 + 2*uint64(uint32(v03))*uint64(uint32(v04)) | ||
| 153 | v14 ^= v03 | ||
| 154 | v14 = v14>>16 | v14<<48 | ||
| 155 | v09 += v14 + 2*uint64(uint32(v09))*uint64(uint32(v14)) | ||
| 156 | v04 ^= v09 | ||
| 157 | v04 = v04>>63 | v04<<1 | ||
| 158 | |||
| 159 | *t00, *t01, *t02, *t03 = v00, v01, v02, v03 | ||
| 160 | *t04, *t05, *t06, *t07 = v04, v05, v06, v07 | ||
| 161 | *t08, *t09, *t10, *t11 = v08, v09, v10, v11 | ||
| 162 | *t12, *t13, *t14, *t15 = v12, v13, v14, v15 | ||
| 163 | } | ||