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author | Christopher Speller <crspeller@gmail.com> | 2018-04-16 05:37:14 -0700 |
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committer | Joram Wilander <jwawilander@gmail.com> | 2018-04-16 08:37:14 -0400 |
commit | 6e2cb00008cbf09e556b00f87603797fcaa47e09 (patch) | |
tree | 3c0eb55ff4226a3f024aad373140d1fb860a6404 /vendor/golang.org/x/crypto/scrypt | |
parent | bf24f51c4e1cc6286885460672f7f449e8c6f5ef (diff) | |
download | chat-6e2cb00008cbf09e556b00f87603797fcaa47e09.tar.gz chat-6e2cb00008cbf09e556b00f87603797fcaa47e09.tar.bz2 chat-6e2cb00008cbf09e556b00f87603797fcaa47e09.zip |
Depenancy upgrades and movign to dep. (#8630)
Diffstat (limited to 'vendor/golang.org/x/crypto/scrypt')
-rw-r--r-- | vendor/golang.org/x/crypto/scrypt/example_test.go | 26 | ||||
-rw-r--r-- | vendor/golang.org/x/crypto/scrypt/scrypt.go | 244 | ||||
-rw-r--r-- | vendor/golang.org/x/crypto/scrypt/scrypt_test.go | 162 |
3 files changed, 0 insertions, 432 deletions
diff --git a/vendor/golang.org/x/crypto/scrypt/example_test.go b/vendor/golang.org/x/crypto/scrypt/example_test.go deleted file mode 100644 index 6736479b1..000000000 --- a/vendor/golang.org/x/crypto/scrypt/example_test.go +++ /dev/null @@ -1,26 +0,0 @@ -// Copyright 2017 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package scrypt_test - -import ( - "encoding/base64" - "fmt" - "log" - - "golang.org/x/crypto/scrypt" -) - -func Example() { - // DO NOT use this salt value; generate your own random salt. 8 bytes is - // a good length. - salt := []byte{0xc8, 0x28, 0xf2, 0x58, 0xa7, 0x6a, 0xad, 0x7b} - - dk, err := scrypt.Key([]byte("some password"), salt, 1<<15, 8, 1, 32) - if err != nil { - log.Fatal(err) - } - fmt.Println(base64.StdEncoding.EncodeToString(dk)) - // Output: lGnMz8io0AUkfzn6Pls1qX20Vs7PGN6sbYQ2TQgY12M= -} diff --git a/vendor/golang.org/x/crypto/scrypt/scrypt.go b/vendor/golang.org/x/crypto/scrypt/scrypt.go deleted file mode 100644 index ff28aaef6..000000000 --- a/vendor/golang.org/x/crypto/scrypt/scrypt.go +++ /dev/null @@ -1,244 +0,0 @@ -// Copyright 2012 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Package scrypt implements the scrypt key derivation function as defined in -// Colin Percival's paper "Stronger Key Derivation via Sequential Memory-Hard -// Functions" (https://www.tarsnap.com/scrypt/scrypt.pdf). -package scrypt // import "golang.org/x/crypto/scrypt" - -import ( - "crypto/sha256" - "errors" - - "golang.org/x/crypto/pbkdf2" -) - -const maxInt = int(^uint(0) >> 1) - -// blockCopy copies n numbers from src into dst. -func blockCopy(dst, src []uint32, n int) { - copy(dst, src[:n]) -} - -// blockXOR XORs numbers from dst with n numbers from src. -func blockXOR(dst, src []uint32, n int) { - for i, v := range src[:n] { - dst[i] ^= v - } -} - -// salsaXOR applies Salsa20/8 to the XOR of 16 numbers from tmp and in, -// and puts the result into both both tmp and out. -func salsaXOR(tmp *[16]uint32, in, out []uint32) { - w0 := tmp[0] ^ in[0] - w1 := tmp[1] ^ in[1] - w2 := tmp[2] ^ in[2] - w3 := tmp[3] ^ in[3] - w4 := tmp[4] ^ in[4] - w5 := tmp[5] ^ in[5] - w6 := tmp[6] ^ in[6] - w7 := tmp[7] ^ in[7] - w8 := tmp[8] ^ in[8] - w9 := tmp[9] ^ in[9] - w10 := tmp[10] ^ in[10] - w11 := tmp[11] ^ in[11] - w12 := tmp[12] ^ in[12] - w13 := tmp[13] ^ in[13] - w14 := tmp[14] ^ in[14] - w15 := tmp[15] ^ in[15] - - x0, x1, x2, x3, x4, x5, x6, x7, x8 := w0, w1, w2, w3, w4, w5, w6, w7, w8 - x9, x10, x11, x12, x13, x14, x15 := w9, w10, w11, w12, w13, w14, w15 - - for i := 0; i < 8; i += 2 { - u := x0 + x12 - x4 ^= u<<7 | u>>(32-7) - u = x4 + x0 - x8 ^= u<<9 | u>>(32-9) - u = x8 + x4 - x12 ^= u<<13 | u>>(32-13) - u = x12 + x8 - x0 ^= u<<18 | u>>(32-18) - - u = x5 + x1 - x9 ^= u<<7 | u>>(32-7) - u = x9 + x5 - x13 ^= u<<9 | u>>(32-9) - u = x13 + x9 - x1 ^= u<<13 | u>>(32-13) - u = x1 + x13 - x5 ^= u<<18 | u>>(32-18) - - u = x10 + x6 - x14 ^= u<<7 | u>>(32-7) - u = x14 + x10 - x2 ^= u<<9 | u>>(32-9) - u = x2 + x14 - x6 ^= u<<13 | u>>(32-13) - u = x6 + x2 - x10 ^= u<<18 | u>>(32-18) - - u = x15 + x11 - x3 ^= u<<7 | u>>(32-7) - u = x3 + x15 - x7 ^= u<<9 | u>>(32-9) - u = x7 + x3 - x11 ^= u<<13 | u>>(32-13) - u = x11 + x7 - x15 ^= u<<18 | u>>(32-18) - - u = x0 + x3 - x1 ^= u<<7 | u>>(32-7) - u = x1 + x0 - x2 ^= u<<9 | u>>(32-9) - u = x2 + x1 - x3 ^= u<<13 | u>>(32-13) - u = x3 + x2 - x0 ^= u<<18 | u>>(32-18) - - u = x5 + x4 - x6 ^= u<<7 | u>>(32-7) - u = x6 + x5 - x7 ^= u<<9 | u>>(32-9) - u = x7 + x6 - x4 ^= u<<13 | u>>(32-13) - u = x4 + x7 - x5 ^= u<<18 | u>>(32-18) - - u = x10 + x9 - x11 ^= u<<7 | u>>(32-7) - u = x11 + x10 - x8 ^= u<<9 | u>>(32-9) - u = x8 + x11 - x9 ^= u<<13 | u>>(32-13) - u = x9 + x8 - x10 ^= u<<18 | u>>(32-18) - - u = x15 + x14 - x12 ^= u<<7 | u>>(32-7) - u = x12 + x15 - x13 ^= u<<9 | u>>(32-9) - u = x13 + x12 - x14 ^= u<<13 | u>>(32-13) - u = x14 + x13 - x15 ^= u<<18 | u>>(32-18) - } - x0 += w0 - x1 += w1 - x2 += w2 - x3 += w3 - x4 += w4 - x5 += w5 - x6 += w6 - x7 += w7 - x8 += w8 - x9 += w9 - x10 += w10 - x11 += w11 - x12 += w12 - x13 += w13 - x14 += w14 - x15 += w15 - - out[0], tmp[0] = x0, x0 - out[1], tmp[1] = x1, x1 - out[2], tmp[2] = x2, x2 - out[3], tmp[3] = x3, x3 - out[4], tmp[4] = x4, x4 - out[5], tmp[5] = x5, x5 - out[6], tmp[6] = x6, x6 - out[7], tmp[7] = x7, x7 - out[8], tmp[8] = x8, x8 - out[9], tmp[9] = x9, x9 - out[10], tmp[10] = x10, x10 - out[11], tmp[11] = x11, x11 - out[12], tmp[12] = x12, x12 - out[13], tmp[13] = x13, x13 - out[14], tmp[14] = x14, x14 - out[15], tmp[15] = x15, x15 -} - -func blockMix(tmp *[16]uint32, in, out []uint32, r int) { - blockCopy(tmp[:], in[(2*r-1)*16:], 16) - for i := 0; i < 2*r; i += 2 { - salsaXOR(tmp, in[i*16:], out[i*8:]) - salsaXOR(tmp, in[i*16+16:], out[i*8+r*16:]) - } -} - -func integer(b []uint32, r int) uint64 { - j := (2*r - 1) * 16 - return uint64(b[j]) | uint64(b[j+1])<<32 -} - -func smix(b []byte, r, N int, v, xy []uint32) { - var tmp [16]uint32 - x := xy - y := xy[32*r:] - - j := 0 - for i := 0; i < 32*r; i++ { - x[i] = uint32(b[j]) | uint32(b[j+1])<<8 | uint32(b[j+2])<<16 | uint32(b[j+3])<<24 - j += 4 - } - for i := 0; i < N; i += 2 { - blockCopy(v[i*(32*r):], x, 32*r) - blockMix(&tmp, x, y, r) - - blockCopy(v[(i+1)*(32*r):], y, 32*r) - blockMix(&tmp, y, x, r) - } - for i := 0; i < N; i += 2 { - j := int(integer(x, r) & uint64(N-1)) - blockXOR(x, v[j*(32*r):], 32*r) - blockMix(&tmp, x, y, r) - - j = int(integer(y, r) & uint64(N-1)) - blockXOR(y, v[j*(32*r):], 32*r) - blockMix(&tmp, y, x, r) - } - j = 0 - for _, v := range x[:32*r] { - b[j+0] = byte(v >> 0) - b[j+1] = byte(v >> 8) - b[j+2] = byte(v >> 16) - b[j+3] = byte(v >> 24) - j += 4 - } -} - -// Key derives a key from the password, salt, and cost parameters, returning -// a byte slice of length keyLen that can be used as cryptographic key. -// -// N is a CPU/memory cost parameter, which must be a power of two greater than 1. -// r and p must satisfy r * p < 2³⁰. If the parameters do not satisfy the -// limits, the function returns a nil byte slice and an error. -// -// For example, you can get a derived key for e.g. AES-256 (which needs a -// 32-byte key) by doing: -// -// dk, err := scrypt.Key([]byte("some password"), salt, 16384, 8, 1, 32) -// -// The recommended parameters for interactive logins as of 2017 are N=32768, r=8 -// and p=1. The parameters N, r, and p should be increased as memory latency and -// CPU parallelism increases; consider setting N to the highest power of 2 you -// can derive within 100 milliseconds. Remember to get a good random salt. -func Key(password, salt []byte, N, r, p, keyLen int) ([]byte, error) { - if N <= 1 || N&(N-1) != 0 { - return nil, errors.New("scrypt: N must be > 1 and a power of 2") - } - if uint64(r)*uint64(p) >= 1<<30 || r > maxInt/128/p || r > maxInt/256 || N > maxInt/128/r { - return nil, errors.New("scrypt: parameters are too large") - } - - xy := make([]uint32, 64*r) - v := make([]uint32, 32*N*r) - b := pbkdf2.Key(password, salt, 1, p*128*r, sha256.New) - - for i := 0; i < p; i++ { - smix(b[i*128*r:], r, N, v, xy) - } - - return pbkdf2.Key(password, b, 1, keyLen, sha256.New), nil -} diff --git a/vendor/golang.org/x/crypto/scrypt/scrypt_test.go b/vendor/golang.org/x/crypto/scrypt/scrypt_test.go deleted file mode 100644 index 766ed8d90..000000000 --- a/vendor/golang.org/x/crypto/scrypt/scrypt_test.go +++ /dev/null @@ -1,162 +0,0 @@ -// Copyright 2012 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package scrypt - -import ( - "bytes" - "testing" -) - -type testVector struct { - password string - salt string - N, r, p int - output []byte -} - -var good = []testVector{ - { - "password", - "salt", - 2, 10, 10, - []byte{ - 0x48, 0x2c, 0x85, 0x8e, 0x22, 0x90, 0x55, 0xe6, 0x2f, - 0x41, 0xe0, 0xec, 0x81, 0x9a, 0x5e, 0xe1, 0x8b, 0xdb, - 0x87, 0x25, 0x1a, 0x53, 0x4f, 0x75, 0xac, 0xd9, 0x5a, - 0xc5, 0xe5, 0xa, 0xa1, 0x5f, - }, - }, - { - "password", - "salt", - 16, 100, 100, - []byte{ - 0x88, 0xbd, 0x5e, 0xdb, 0x52, 0xd1, 0xdd, 0x0, 0x18, - 0x87, 0x72, 0xad, 0x36, 0x17, 0x12, 0x90, 0x22, 0x4e, - 0x74, 0x82, 0x95, 0x25, 0xb1, 0x8d, 0x73, 0x23, 0xa5, - 0x7f, 0x91, 0x96, 0x3c, 0x37, - }, - }, - { - "this is a long \000 password", - "and this is a long \000 salt", - 16384, 8, 1, - []byte{ - 0xc3, 0xf1, 0x82, 0xee, 0x2d, 0xec, 0x84, 0x6e, 0x70, - 0xa6, 0x94, 0x2f, 0xb5, 0x29, 0x98, 0x5a, 0x3a, 0x09, - 0x76, 0x5e, 0xf0, 0x4c, 0x61, 0x29, 0x23, 0xb1, 0x7f, - 0x18, 0x55, 0x5a, 0x37, 0x07, 0x6d, 0xeb, 0x2b, 0x98, - 0x30, 0xd6, 0x9d, 0xe5, 0x49, 0x26, 0x51, 0xe4, 0x50, - 0x6a, 0xe5, 0x77, 0x6d, 0x96, 0xd4, 0x0f, 0x67, 0xaa, - 0xee, 0x37, 0xe1, 0x77, 0x7b, 0x8a, 0xd5, 0xc3, 0x11, - 0x14, 0x32, 0xbb, 0x3b, 0x6f, 0x7e, 0x12, 0x64, 0x40, - 0x18, 0x79, 0xe6, 0x41, 0xae, - }, - }, - { - "p", - "s", - 2, 1, 1, - []byte{ - 0x48, 0xb0, 0xd2, 0xa8, 0xa3, 0x27, 0x26, 0x11, 0x98, - 0x4c, 0x50, 0xeb, 0xd6, 0x30, 0xaf, 0x52, - }, - }, - - { - "", - "", - 16, 1, 1, - []byte{ - 0x77, 0xd6, 0x57, 0x62, 0x38, 0x65, 0x7b, 0x20, 0x3b, - 0x19, 0xca, 0x42, 0xc1, 0x8a, 0x04, 0x97, 0xf1, 0x6b, - 0x48, 0x44, 0xe3, 0x07, 0x4a, 0xe8, 0xdf, 0xdf, 0xfa, - 0x3f, 0xed, 0xe2, 0x14, 0x42, 0xfc, 0xd0, 0x06, 0x9d, - 0xed, 0x09, 0x48, 0xf8, 0x32, 0x6a, 0x75, 0x3a, 0x0f, - 0xc8, 0x1f, 0x17, 0xe8, 0xd3, 0xe0, 0xfb, 0x2e, 0x0d, - 0x36, 0x28, 0xcf, 0x35, 0xe2, 0x0c, 0x38, 0xd1, 0x89, - 0x06, - }, - }, - { - "password", - "NaCl", - 1024, 8, 16, - []byte{ - 0xfd, 0xba, 0xbe, 0x1c, 0x9d, 0x34, 0x72, 0x00, 0x78, - 0x56, 0xe7, 0x19, 0x0d, 0x01, 0xe9, 0xfe, 0x7c, 0x6a, - 0xd7, 0xcb, 0xc8, 0x23, 0x78, 0x30, 0xe7, 0x73, 0x76, - 0x63, 0x4b, 0x37, 0x31, 0x62, 0x2e, 0xaf, 0x30, 0xd9, - 0x2e, 0x22, 0xa3, 0x88, 0x6f, 0xf1, 0x09, 0x27, 0x9d, - 0x98, 0x30, 0xda, 0xc7, 0x27, 0xaf, 0xb9, 0x4a, 0x83, - 0xee, 0x6d, 0x83, 0x60, 0xcb, 0xdf, 0xa2, 0xcc, 0x06, - 0x40, - }, - }, - { - "pleaseletmein", "SodiumChloride", - 16384, 8, 1, - []byte{ - 0x70, 0x23, 0xbd, 0xcb, 0x3a, 0xfd, 0x73, 0x48, 0x46, - 0x1c, 0x06, 0xcd, 0x81, 0xfd, 0x38, 0xeb, 0xfd, 0xa8, - 0xfb, 0xba, 0x90, 0x4f, 0x8e, 0x3e, 0xa9, 0xb5, 0x43, - 0xf6, 0x54, 0x5d, 0xa1, 0xf2, 0xd5, 0x43, 0x29, 0x55, - 0x61, 0x3f, 0x0f, 0xcf, 0x62, 0xd4, 0x97, 0x05, 0x24, - 0x2a, 0x9a, 0xf9, 0xe6, 0x1e, 0x85, 0xdc, 0x0d, 0x65, - 0x1e, 0x40, 0xdf, 0xcf, 0x01, 0x7b, 0x45, 0x57, 0x58, - 0x87, - }, - }, - /* - // Disabled: needs 1 GiB RAM and takes too long for a simple test. - { - "pleaseletmein", "SodiumChloride", - 1048576, 8, 1, - []byte{ - 0x21, 0x01, 0xcb, 0x9b, 0x6a, 0x51, 0x1a, 0xae, 0xad, - 0xdb, 0xbe, 0x09, 0xcf, 0x70, 0xf8, 0x81, 0xec, 0x56, - 0x8d, 0x57, 0x4a, 0x2f, 0xfd, 0x4d, 0xab, 0xe5, 0xee, - 0x98, 0x20, 0xad, 0xaa, 0x47, 0x8e, 0x56, 0xfd, 0x8f, - 0x4b, 0xa5, 0xd0, 0x9f, 0xfa, 0x1c, 0x6d, 0x92, 0x7c, - 0x40, 0xf4, 0xc3, 0x37, 0x30, 0x40, 0x49, 0xe8, 0xa9, - 0x52, 0xfb, 0xcb, 0xf4, 0x5c, 0x6f, 0xa7, 0x7a, 0x41, - 0xa4, - }, - }, - */ -} - -var bad = []testVector{ - {"p", "s", 0, 1, 1, nil}, // N == 0 - {"p", "s", 1, 1, 1, nil}, // N == 1 - {"p", "s", 7, 8, 1, nil}, // N is not power of 2 - {"p", "s", 16, maxInt / 2, maxInt / 2, nil}, // p * r too large -} - -func TestKey(t *testing.T) { - for i, v := range good { - k, err := Key([]byte(v.password), []byte(v.salt), v.N, v.r, v.p, len(v.output)) - if err != nil { - t.Errorf("%d: got unexpected error: %s", i, err) - } - if !bytes.Equal(k, v.output) { - t.Errorf("%d: expected %x, got %x", i, v.output, k) - } - } - for i, v := range bad { - _, err := Key([]byte(v.password), []byte(v.salt), v.N, v.r, v.p, 32) - if err == nil { - t.Errorf("%d: expected error, got nil", i) - } - } -} - -var sink []byte - -func BenchmarkKey(b *testing.B) { - for i := 0; i < b.N; i++ { - sink, _ = Key([]byte("password"), []byte("salt"), 1<<15, 8, 1, 64) - } -} |