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64 lines
1.7 KiB
Java
64 lines
1.7 KiB
Java
import java.security.*;
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class md5test {
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// gnu-crypto/source/gnu/testlet/gnu/crypto/hash/TestOfMD5.java
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public static void main(String[] argv) {
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String[] strings = {
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"a",
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"abc",
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"message digest",
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"abcdefghijklmnopqrstuvwxyz",
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
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"12345678901234567890123456789012345678901234567890123456789012345678901234567890"
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};
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String[] expected = {
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"0CC175B9C0F1B6A831C399E269772661",
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"900150983CD24FB0D6963F7D28E17F72",
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"F96B697D7CB7938D525A2F31AAF161D0",
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"C3FCD3D76192E4007DFB496CCA67E13B",
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"D174AB98D277D9F5A5611C2C9F419D9F",
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"57EDF4A22BE3C955AC49DA2E2107B67A"
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};
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for (int i = 0; i < strings.length; i++)
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testString(strings[i], expected[i]);
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}
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public static void testString(String string, String expected) {
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MessageDigest md=null;
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try {
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md = MessageDigest.getInstance("MD5");
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md.update(string.getBytes(), 0, string.length());
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String result = toString(md.digest());
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System.out.println(expected);
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System.out.println(result);
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if (!expected.equals(result))
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System.out.println("NOT EQUAL!");
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} catch (Exception x) {
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x.printStackTrace();
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}
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}
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public static String toString(byte[] ba) {
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return toString(ba, 0, ba.length);
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}
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public static final String toString(byte[] ba, int offset, int length) {
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char[] buf = new char[length * 2];
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for (int i = 0, j = 0, k; i < length; ) {
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k = ba[offset + i++];
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buf[j++] = HEX_DIGITS[(k >>> 4) & 0x0F];
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buf[j++] = HEX_DIGITS[ k & 0x0F];
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}
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return new String(buf);
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}
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private static final char[] HEX_DIGITS = "0123456789ABCDEF".toCharArray();
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}
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