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Rust

Demonstrates HMAC SHA256

See more Encryption Examples

Demonstrates HMAC-SHA256. Also demonstrates HMAC-SHA1 and HMAC-MD5.

Chilkat Rust Downloads

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

// Demonstrates how to reproduce the following results found at
// https://en.wikipedia.org/wiki/Hash-based_message_authentication_code

// HMAC_SHA256("key", "The quick brown fox jumps over the lazy dog") = 0xf7bc83f430538424b13298e6aa6fb143ef4d59a14946175997479dbc2d1a3cd8
// HMAC_MD5("key", "The quick brown fox jumps over the lazy dog")    = 0x80070713463e7749b90c2dc24911e275
// HMAC_SHA1("key", "The quick brown fox jumps over the lazy dog")   = 0xde7c9b85b8b78aa6bc8a7a36f70a90701c9db4d9

let crypt = chilkat::Crypt2::new();

crypt.set_mac_algorithm("hmac");
crypt.set_encoding_mode("hex");
let _ = crypt.set_mac_key_string("key");
let s_data = "The quick brown fox jumps over the lazy dog".to_string();

crypt.set_hash_algorithm("SHA-256");
println!("HMAC_SHA256: {}", crypt.mac_string_enc(&s_data).unwrap_or_default());

crypt.set_hash_algorithm("MD5");
println!("HMAC_MD5: {}", crypt.mac_string_enc(&s_data).unwrap_or_default());

crypt.set_hash_algorithm("SHA-1");
println!("HMAC_SHA1: {}", crypt.mac_string_enc(&s_data).unwrap_or_default());

// The output is the same (ignore case)
// HMAC_SHA256: F7BC83F430538424B13298E6AA6FB143EF4D59A14946175997479DBC2D1A3CD8
// HMAC_MD5: 80070713463E7749B90C2DC24911E275
// HMAC_SHA1: DE7C9B85B8B78AA6BC8A7A36F70A90701C9DB4D9