Zig

Password_Digest = Base64 (SHA-1 ( nonce + created + SHA-1 (password) ) )

See more Encryption Examples

Demonstrates how to compute:

Password_Digest = Base64 (SHA-1 ( nonce + created + SHA-1 (password)))

Zig

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    const password = "secret";

    const crypt = try chilkat.Crypt2.init();
    defer crypt.deinit();
    crypt.setHashAlgorithm("SHA-1");
    crypt.setEncodingMode("base64");

    // Generate a 16-byte random nonce
    const prng = try chilkat.Prng.init();
    defer prng.deinit();
    const bd = try chilkat.BinData.init();
    defer bd.deinit();
    prng.genRandomBd(16, bd) catch {};

    // Get the current date/time in a string with this format: 2010-06-08T07:26:50Z
    const dt = try chilkat.DateTime.init();
    defer dt.deinit();
    dt.setFromCurrentSystemTime() catch {};
    const created = try dt.getAsTimestamp(alloc, false);
    bd.appendString(created, "utf-8") catch {};

    // 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...
    const password_sha1 = try crypt.hashStringENC(alloc, password);
    // Append the 20 binary bytes of the SHA1 hash to bd, which already contains the nonce and created date/time.
    bd.appendEncoded(password_sha1, "base64") catch {};

    const password_digest = try crypt.hashBdENC(alloc, bd);

    std.debug.print("Base64 password digest = {s}\n", .{password_digest});
}