Zig

Hash File: SHA-1, HAVAL, MD2, MD5, SHA-256, SHA-384, SHA-512

See more Encryption Examples

Computing the hash for a file of any size. Zig

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

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

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

    const crypt = try chilkat.Crypt2.init();
    defer crypt.deinit();

    // Any type of file may be hashed.
    // There is  no size limitation because the file is consumed
    // in streaming mode internally.
    const filename = "something.zip";

    crypt.setHashAlgorithm("sha1");
    crypt.setEncodingMode("hex");

    // Other possible EncodingMode settings are:
    // "quoted-printable", "base64", "base32", and "url";

    var hash: [:0]const u8 = try crypt.hashFileENC(alloc, filename);
    std.debug.print("SHA1:\n", .{});
    std.debug.print("{s}\n", .{hash});

    // Hash using MD2
    crypt.setHashAlgorithm("md2");
    hash = try crypt.hashFileENC(alloc, filename);
    std.debug.print("MD2:\n", .{});
    std.debug.print("{s}\n", .{hash});

    // Hash using MD5
    crypt.setHashAlgorithm("md5");
    hash = try crypt.hashFileENC(alloc, filename);
    std.debug.print("MD5:\n", .{});
    std.debug.print("{s}\n", .{hash});

    // Hash using SHA-256
    crypt.setHashAlgorithm("sha256");
    hash = try crypt.hashFileENC(alloc, filename);
    std.debug.print("SHA256:\n", .{});
    std.debug.print("{s}\n", .{hash});

    // Hash using SHA-384
    crypt.setHashAlgorithm("sha384");
    hash = try crypt.hashFileENC(alloc, filename);
    std.debug.print("SHA384:\n", .{});
    std.debug.print("{s}\n", .{hash});

    // Hash using SHA-512
    crypt.setHashAlgorithm("sha512");
    hash = try crypt.hashFileENC(alloc, filename);
    std.debug.print("SHA512:\n", .{});
    std.debug.print("{s}\n", .{hash});

    // Hash using HAVAL
    // There are two additional properties relevant to HAVAL:
    // HavalRounds, and KeyLength.
    // HavalRounds can have values of 3, 4, or 5.
    // KeyLength can have values of 128, 160, 192, 224, or 256
    crypt.setHashAlgorithm("haval");
    crypt.setHavalRounds(5);
    crypt.setKeyLength(256);
    hash = try crypt.hashFileENC(alloc, filename);
    std.debug.print("Haval:\n", .{});
    std.debug.print("{s}\n", .{hash});
}