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// Copyright © 2020 rsiddharth <s@ricketyspace.net>
// SPDX-License-Identifier: ISC
package enc
const b64_table = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
func HexToBase64(hex string) string {
hb := []byte(hex)
b64 := ""
for i := 0; i <= len(hb)-3; i = i + 3 {
a := (HexCharToDec(hb[i])<<8 |
HexCharToDec(hb[i+1])<<4 |
HexCharToDec(hb[i+2]))
b64 += encode(a >> 6)
b64 += encode(a & 0b111111)
}
return b64
}
func encode(b uint16) string {
return string(b64_table[b])
}
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