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/**
* Copyright 2009 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS-IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.appjet.common.sars;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
object SimpleSHA1 {
private val chars = Map(0 -> '0', 1 -> '1', 2 -> '2', 3 -> '3', 4 -> '4', 5 -> '5', 6 -> '6', 7 -> '7',
8 -> '8', 9 -> '9', 10 -> 'a', 11 -> 'b', 12 -> 'c', 13 -> 'd', 14 -> 'e', 15 -> 'f');
private def convertToHex(data: Array[Byte]): String = {
val buf = new StringBuilder();
for (b <- data) {
buf.append(chars(b >>> 4 & 0x0F));
buf.append(chars(b & 0x0F));
}
buf.toString();
}
def apply(text: String): String = {
val md = MessageDigest.getInstance("SHA-1");
md.update(text.getBytes("UTF-8"), 0, text.length());
convertToHex(md.digest());
}
}
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