diff options
Diffstat (limited to 'infrastructure/net.appjet.common.sars/sha1.scala')
-rw-r--r-- | infrastructure/net.appjet.common.sars/sha1.scala | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/infrastructure/net.appjet.common.sars/sha1.scala b/infrastructure/net.appjet.common.sars/sha1.scala new file mode 100644 index 0000000..8f9e69e --- /dev/null +++ b/infrastructure/net.appjet.common.sars/sha1.scala @@ -0,0 +1,40 @@ +/** + * 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()); + } +} |