45 lines
933 B
Go
45 lines
933 B
Go
package tools
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import (
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"encoding/hex"
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"fmt"
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"hash"
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"hash/crc32"
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"hash/crc64"
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"io"
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"github.com/sigurn/crc16"
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"github.com/sigurn/crc8"
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)
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func Hash(h hash.Hash, r io.Reader) (string, error) {
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if _, err := io.Copy(h, r); err != nil {
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return "", fmt.Errorf("failed to read string: %w", err)
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}
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return hex.EncodeToString(h.Sum(nil)), nil
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}
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func CRC8(s []byte, param crc8.Params) string {
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table := crc8.MakeTable(param)
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crc := crc8.Checksum(s, table)
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return fmt.Sprintf("%X", crc)
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}
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func CRC16(s []byte, param crc16.Params) string {
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table := crc16.MakeTable(param)
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crc := crc16.Checksum(s, table)
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return fmt.Sprintf("%X", crc)
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}
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func CRC32(s []byte, param uint32) string {
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table := crc32.MakeTable(param)
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crc := crc32.Checksum(s, table)
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return fmt.Sprintf("%X", crc)
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}
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func CRC64(s []byte, param uint64) string {
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table := crc64.MakeTable(param)
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crc := crc64.Checksum(s, table)
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return fmt.Sprintf("%X", crc)
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}
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