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(Java) Password_Digest = Base64 (SHA-1 ( nonce + created + SHA-1 (password) ) )Demonstrates how to compute: Password_Digest = Base64 (SHA-1 ( nonce + created + SHA-1 (password)))
import com.chilkatsoft.*; public class ChilkatExample { static { try { System.loadLibrary("chilkat"); } catch (UnsatisfiedLinkError e) { System.err.println("Native code library failed to load.\n" + e); System.exit(1); } } public static void main(String argv[]) { // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. String password = "secret"; CkCrypt2 crypt = new CkCrypt2(); crypt.put_HashAlgorithm("SHA-1"); crypt.put_EncodingMode("base64"); // Generate a 16-byte random nonce CkPrng prng = new CkPrng(); CkBinData bd = new CkBinData(); prng.GenRandomBd(16,bd); // Get the current date/time in a string with this format: 2010-06-08T07:26:50Z CkDateTime dt = new CkDateTime(); dt.SetFromCurrentSystemTime(); String created = dt.getAsTimestamp(false); bd.AppendString(created,"utf-8"); // This example wishes to calculate a password digest like this: // Password_Digest = Base64 ( SHA-1 ( nonce + created + SHA-1(password) ) ) // First SHA-1 digest the password... String passwordSha1 = crypt.hashStringENC(password); // Append the 20 binary bytes of the SHA1 hash to bd, which already contains the nonce and created date/time. bd.AppendEncoded(passwordSha1,"base64"); String passwordDigest = crypt.hashBdENC(bd); System.out.println("Base64 password digest = " + passwordDigest); } } |
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