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@@ -0,0 +1,41 @@
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+package tyr
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+
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+import (
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+ "crypto/md5"
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+ "crypto/sha1"
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+ "crypto/sha256"
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+ "crypto/sha512"
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+ "encoding/hex"
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+)
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+
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+// SHA512 hash
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+func SHA512(data []byte) ([]byte, error) {
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+ hash := sha512.New()
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+ _, err := hash.Write(data)
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+ if err != nil {
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+ return nil, err
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+ }
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+
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+ return hash.Sum(nil), nil
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+}
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+
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+// SHA256 hash string
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+func SHA256(data string) string {
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+ hash := sha256.New()
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+ hash.Write([]byte(data))
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+ return hex.EncodeToString(hash.Sum(nil))
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+}
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+
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+// MD5 hash string
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+func MD5(data string) string {
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+ hash := md5.New()
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+ hash.Write([]byte(data))
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+ return hex.EncodeToString(hash.Sum(nil))
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+}
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+
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+// SHA1 hash string
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+func SHA1(data string) string {
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+ hash := sha1.New()
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+ hash.Write([]byte(data))
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+ return hex.EncodeToString(hash.Sum(nil))
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+}
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