33 lines
659 B
Go
33 lines
659 B
Go
package base58
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import (
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"math/big"
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)
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func EncodeBase58(data []byte) string {
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longValue := big.NewInt(0)
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result := ""
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for i := 0; i < len(data); i++ {
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to_add := big.NewInt(0)
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to_add = to_add.Exp(big.NewInt(256), big.NewInt(int64(i)), to_add)
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to_add = to_add.Mul(big.NewInt(int64(data[24-i])), to_add)
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longValue = longValue.Add(to_add, longValue)
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}
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i := 0
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for {
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m := big.NewInt(0)
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longValue, m = longValue.DivMod(longValue, big.NewInt(58), m)
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bs := m.Bytes()
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if len(bs) == 0 {
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bs = append(bs, 0x00)
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}
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b := b58Characters[bs[0]]
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result = string(b) + result
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if longValue.Int64() == 0 {
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break
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}
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i += 1
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}
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return result
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}
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