21 lines
423 B
Go
21 lines
423 B
Go
package base58
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import "crypto/sha256"
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const checksumLength = 4
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func VerifyBase58Checksum(v []byte) bool {
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checksum := [checksumLength]byte{}
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for i := range checksum {
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checksum[i] = v[len(v)-checksumLength+i]
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}
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real_checksum := sha256.Sum256(v[:len(v)-checksumLength])
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real_checksum = sha256.Sum256(real_checksum[:])
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for i, c := range checksum {
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if c != real_checksum[i] {
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return false
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}
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}
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return true
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}
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