mirror of https://gogs.blitter.com/RLabs/xs
35 lines
757 B
Go
35 lines
757 B
Go
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package raw
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const bmap = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
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// Encodes a byte string using the sha2-crypt base64 variant.
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func EncodeBase64(b []byte) string {
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o := make([]byte, len(b)/3*4+4)
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for i, j := 0, 0; i < len(b); {
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b1 := b[i]
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b2 := byte(0)
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b3 := byte(0)
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if (i + 1) < len(b) {
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b2 = b[i+1]
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}
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if (i + 2) < len(b) {
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b3 = b[i+2]
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}
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o[j] = bmap[(b1 & 0x3F)]
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o[j+1] = bmap[((b1&0xC0)>>6)|((b2&0x0F)<<2)]
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o[j+2] = bmap[((b2&0xF0)>>4)|((b3&0x03)<<4)]
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o[j+3] = bmap[(b3&0xFC)>>2]
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i += 3
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j += 4
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}
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s := string(o)
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return s[0 : len(b)*4/3-(len(b)%4)+1]
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}
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// © 2008-2012 Assurance Technologies LLC. (Python passlib) BSD License
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// © 2014 Hugo Landau <hlandau@devever.net> BSD License
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