Created
December 18, 2012 07:14
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Clojure - Calculate MD5 hash of a given string.
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| (import 'java.security.MessageDigest | |
| 'java.math.BigInteger) | |
| (defn md5 [s] | |
| (let [algorithm (MessageDigest/getInstance "MD5") | |
| size (* 2 (.getDigestLength algorithm)) | |
| raw (.digest algorithm (.getBytes s)) | |
| sig (.toString (BigInteger. 1 raw) 16) | |
| padding (apply str (repeat (- size (count sig)) "0"))] | |
| (str padding sig))) | |
| ; for full digest support, use clj-digest: https://github.com/tebeka/clj-digest |
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Is it possible to get back the raw bytes from the md5 String
"%032x"format?Simply doing
"f47c75614087a8dd938ba4acff252494".getBytes()does not produce the same result as the digested raw byte[].