40 lines
1.1 KiB
Java
40 lines
1.1 KiB
Java
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import java.security.*;
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class shatest {
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// gnu-crypto/source/gnu/testlet/gnu/crypto/hash/TestOfSha160.java
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public static void main(String[] argv) {
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MessageDigest md=null;
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try {
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md = MessageDigest.getInstance("SHA-1");
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} catch (Exception e) {
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e.printStackTrace();
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}
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md.update("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq".getBytes(), 0, 56);
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String exp = "84983E441C3BD26EBAAE4AA1F95129E5E54670F1";
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String result = toString(md.digest());
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System.out.println(exp);
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System.out.println(result);
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if (!exp.equals(result))
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System.out.println("NOT EQUAL!");
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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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