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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/pkcs12/bmp-string.go | |
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/pkcs12/bmp-string.go')
-rw-r--r-- | vendor/golang.org/x/crypto/pkcs12/bmp-string.go | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/vendor/golang.org/x/crypto/pkcs12/bmp-string.go b/vendor/golang.org/x/crypto/pkcs12/bmp-string.go deleted file mode 100644 index 233b8b62c..000000000 --- a/vendor/golang.org/x/crypto/pkcs12/bmp-string.go +++ /dev/null @@ -1,50 +0,0 @@ -// Copyright 2015 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 pkcs12 - -import ( - "errors" - "unicode/utf16" -) - -// bmpString returns s encoded in UCS-2 with a zero terminator. -func bmpString(s string) ([]byte, error) { - // References: - // https://tools.ietf.org/html/rfc7292#appendix-B.1 - // https://en.wikipedia.org/wiki/Plane_(Unicode)#Basic_Multilingual_Plane - // - non-BMP characters are encoded in UTF 16 by using a surrogate pair of 16-bit codes - // EncodeRune returns 0xfffd if the rune does not need special encoding - // - the above RFC provides the info that BMPStrings are NULL terminated. - - ret := make([]byte, 0, 2*len(s)+2) - - for _, r := range s { - if t, _ := utf16.EncodeRune(r); t != 0xfffd { - return nil, errors.New("pkcs12: string contains characters that cannot be encoded in UCS-2") - } - ret = append(ret, byte(r/256), byte(r%256)) - } - - return append(ret, 0, 0), nil -} - -func decodeBMPString(bmpString []byte) (string, error) { - if len(bmpString)%2 != 0 { - return "", errors.New("pkcs12: odd-length BMP string") - } - - // strip terminator if present - if l := len(bmpString); l >= 2 && bmpString[l-1] == 0 && bmpString[l-2] == 0 { - bmpString = bmpString[:l-2] - } - - s := make([]uint16, 0, len(bmpString)/2) - for len(bmpString) > 0 { - s = append(s, uint16(bmpString[0])<<8+uint16(bmpString[1])) - bmpString = bmpString[2:] - } - - return string(utf16.Decode(s)), nil -} |