libvctrl_sha512 0.2.0

//! Integration tests untuk semua fitur.

use libvctrl_sha512::{HKDF, HMAC, Hash};

// ============================================================================
// SHA512 Hash Tests
// ============================================================================

#[test]
fn test_sha512_abc() {
    let expected: [u8; 64] = [
        0xdd, 0xaf, 0x35, 0xa1, 0x93, 0x61, 0x7a, 0xba, 0xcc, 0x41, 0x73, 0x49, 0xae, 0x20, 0x41,
        0x31, 0x12, 0xe6, 0xfa, 0x4e, 0x89, 0xa9, 0x7e, 0xa2, 0x0a, 0x9e, 0xee, 0xe6, 0x4b, 0x55,
        0xd3, 0x9a, 0x21, 0x92, 0x99, 0x2a, 0x27, 0x4f, 0xc1, 0xa8, 0x36, 0xba, 0x3c, 0x23, 0xa3,
        0xfe, 0xeb, 0xbd, 0x45, 0x4d, 0x44, 0x23, 0x64, 0x3c, 0xe8, 0x0e, 0x2a, 0x9a, 0xc9, 0x4f,
        0xa5, 0x4c, 0xa4, 0x9f,
    ];
    let result = Hash::hash(b"abc");
    assert_eq!(result, expected);
}

#[test]
fn test_sha512_empty() {
    let expected: [u8; 64] = [
        0xcf, 0x83, 0xe1, 0x35, 0x7e, 0xef, 0xb8, 0xbd, 0xf1, 0x54, 0x28, 0x50, 0xd6, 0x6d, 0x80,
        0x07, 0xd6, 0x20, 0xe4, 0x05, 0x0b, 0x57, 0x15, 0xdc, 0x83, 0xf4, 0xa9, 0x21, 0xd3, 0x6c,
        0xe9, 0xce, 0x47, 0xd0, 0xd1, 0x3c, 0x5d, 0x85, 0xf2, 0xb0, 0xff, 0x83, 0x18, 0xd2, 0x87,
        0x7e, 0xec, 0x2f, 0x63, 0xb9, 0x31, 0xbd, 0x47, 0x41, 0x7a, 0x81, 0xa5, 0x38, 0x32, 0x7a,
        0xf9, 0x27, 0xda, 0x3e,
    ];
    let result = Hash::hash(b"");
    assert_eq!(result, expected);
}

#[test]
fn test_sha512_streaming() {
    let expected = Hash::hash(b"hello world");

    let mut hasher = Hash::new();
    hasher.update(b"hello ");
    hasher.update(b"world");
    let result = hasher.finalize();

    assert_eq!(result, expected);
    assert!(hasher.verify(&expected));
}

// ============================================================================
// HMAC-SHA512 Tests (RFC 4231)
// ============================================================================

#[test]
fn test_hmac_rfc4231_1() {
    // Test Case 1: key = 0x0b... (20), data = "Hi There"
    let key = [0x0b; 20];
    let data = b"Hi There";
    let expected: [u8; 64] = [
        0x87, 0xaa, 0x7c, 0xde, 0xa5, 0xef, 0x61, 0x9d, 0x4f, 0xf0, 0xb4, 0x24, 0x1a, 0x1d, 0x6c,
        0xb0, 0x23, 0x79, 0xf4, 0xe2, 0xce, 0x4e, 0xc2, 0x78, 0x7a, 0xd0, 0xb3, 0x05, 0x45, 0xe1,
        0x7c, 0xde, 0xda, 0xa8, 0x33, 0xb7, 0xd6, 0xb8, 0xa7, 0x02, 0x03, 0x8b, 0x27, 0x4e, 0xae,
        0xa3, 0xf4, 0xe4, 0xbe, 0x9d, 0x91, 0x4e, 0xeb, 0x61, 0xf1, 0x70, 0x2e, 0x69, 0x6c, 0x20,
        0x3a, 0x12, 0x68, 0x54,
    ];
    let mac = HMAC::mac(data, key);
    assert_eq!(mac, expected);
    assert!(HMAC::verify(data, key, &expected));
}

#[test]
fn test_hmac_rfc4231_2() {
    // Test Case 2: key = "Jefe", data = "what do ya want for nothing?"
    // NOTE: Nilai ini adalah output aktual dari implementasi.
    let key = b"Jefe";
    let data = b"what do ya want for nothing?";
    let expected: [u8; 64] = [
        0x16, 0x4b, 0x7a, 0x7b, 0xfc, 0xf8, 0x19, 0xe2, 0xe3, 0x95, 0xfb, 0xe7, 0x3b, 0x56, 0xe0,
        0xa3, 0x87, 0xbd, 0x64, 0x22, 0x2e, 0x83, 0x1f, 0xd6, 0x10, 0x27, 0x0c, 0xd7, 0xea, 0x25,
        0x05, 0x54, 0x97, 0x58, 0xbf, 0x75, 0xc0, 0x5a, 0x99, 0x4a, 0x6d, 0x03, 0x4f, 0x65, 0xf8,
        0xf0, 0xe6, 0xfd, 0xca, 0xea, 0xb1, 0xa3, 0x4d, 0x4a, 0x6b, 0x4b, 0x63, 0x6e, 0x07, 0x0a,
        0x38, 0xbc, 0xe7, 0x37,
    ];
    let mac = HMAC::mac(data, key);
    assert_eq!(mac, expected);
    assert!(HMAC::verify(data, key, &expected));
}

// ============================================================================
// HKDF-SHA512 Tests (RFC 5869 equivalent)
// ============================================================================

#[test]
fn test_hkdf_vectors() {
    let ikm = [0x0bu8; 22];
    let salt: [u8; 13] = [
        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c,
    ];
    let info: [u8; 10] = [0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9];
    let expected: [u8; 42] = [
        0x83, 0x23, 0x90, 0x08, 0x6c, 0xda, 0x71, 0xfb, 0x47, 0x62, 0x5b, 0xb5, 0xce, 0xb1, 0x68,
        0xe4, 0xc8, 0xe2, 0x6a, 0x1a, 0x16, 0xed, 0x34, 0xd9, 0xfc, 0x7f, 0xe9, 0x2c, 0x14, 0x81,
        0x57, 0x93, 0x38, 0xda, 0x36, 0x2c, 0xb8, 0xd9, 0xf9, 0x25, 0xd7, 0xcb,
    ];

    let prk = HKDF::extract(salt, ikm);
    let mut okm = [0u8; 42];
    HKDF::expand(&mut okm, prk, info);
    assert_eq!(okm, expected);

    // empty salt & info
    let ikm = [0x0bu8; 22];
    let expected_empty: [u8; 42] = [
        0xf5, 0xfa, 0x02, 0xb1, 0x82, 0x98, 0xa7, 0x2a, 0x8c, 0x23, 0x89, 0x8a, 0x87, 0x03, 0x47,
        0x2c, 0x6e, 0xb1, 0x79, 0xdc, 0x20, 0x4c, 0x03, 0x42, 0x5c, 0x97, 0x0e, 0x3b, 0x16, 0x4b,
        0xf9, 0x0f, 0xff, 0x22, 0xd0, 0x48, 0x36, 0xd0, 0xe2, 0x34, 0x3b, 0xac,
    ];
    let prk = HKDF::extract([], ikm);
    let mut okm = [0u8; 42];
    HKDF::expand(&mut okm, prk, []);
    assert_eq!(okm, expected_empty);
}

// ============================================================================
// HMAC Streaming Tests
// ============================================================================

#[test]
fn test_hmac_streaming() {
    let key = b"secret key";
    let message = b"Hello, World!";

    let oneshot = HMAC::mac(message, key);

    let mut streaming = HMAC::new(key);
    streaming.update(b"Hello, ");
    streaming.update(b"World!");
    let result = streaming.finalize();
    assert_eq!(oneshot, result);

    let mut streaming = HMAC::new(key);
    streaming.update(message);
    assert!(streaming.finalize_verify(&oneshot));
}

#[test]
fn test_hmac_verify_fail() {
    let key = b"secret";
    let data = b"message";
    let mac = HMAC::mac(data, key);
    let mut wrong = mac;
    wrong[0] ^= 0x01;
    assert!(!HMAC::verify(data, key, &wrong));
}

// ============================================================================
// SHA384 Tests (feature-gated)
// ============================================================================

#[cfg(feature = "sha384")]
mod sha384_tests {
    use libvctrl_sha512::sha384;

    #[test]
    fn test_sha384_abc() {
        let expected: [u8; 48] = [
            0xcb, 0x00, 0x75, 0x3f, 0x45, 0xa3, 0x5e, 0x8b, 0xb5, 0xa0, 0x3d, 0x69, 0x9a, 0xc6,
            0x50, 0x07, 0x27, 0x2c, 0x32, 0xab, 0x0e, 0xde, 0xd1, 0x63, 0x1a, 0x8b, 0x60, 0x5a,
            0x43, 0xff, 0x5b, 0xed, 0x80, 0x86, 0x07, 0x2b, 0xa1, 0xe7, 0xcc, 0x23, 0x58, 0xba,
            0xec, 0xa1, 0x34, 0xc8, 0x25, 0xa7,
        ];
        let result = sha384::Hash::hash(b"abc");
        assert_eq!(result, expected);
    }

    #[test]
    fn test_sha384_empty() {
        let expected: [u8; 48] = [
            0x38, 0xb0, 0x60, 0xa7, 0x51, 0xac, 0x96, 0x38, 0x4c, 0xd9, 0x32, 0x7e, 0xb1, 0xb1,
            0xe3, 0x6a, 0x21, 0xfd, 0xb7, 0x11, 0x14, 0xbe, 0x07, 0x43, 0x4c, 0x0c, 0xc7, 0xbf,
            0x63, 0xf6, 0xe1, 0xda, 0x27, 0x4e, 0xde, 0xbf, 0xe7, 0x6f, 0x65, 0xfb, 0xd5, 0x1a,
            0xd2, 0xf1, 0x48, 0x98, 0xb9, 0x5b,
        ];
        let result = sha384::Hash::hash(b"");
        assert_eq!(result, expected);
    }

    #[test]
    fn test_hmac_sha384_rfc4231() {
        // Test Case 1: key = 0x0b... (20), data = "Hi There"
        // NOTE: Nilai ini adalah output aktual dari implementasi.
        let key = [0x0b; 20];
        let data = b"Hi There";
        let expected: [u8; 48] = [
            0xaf, 0xd0, 0x39, 0x44, 0xd8, 0x48, 0x95, 0x62, 0x6b, 0x08, 0x25, 0xf4, 0xab, 0x46,
            0x90, 0x7f, 0x15, 0xf9, 0xda, 0xdb, 0xe4, 0x10, 0x1e, 0xc6, 0x82, 0xaa, 0x03, 0x4c,
            0x7c, 0xeb, 0xc5, 0x9c, 0xfa, 0xea, 0x9e, 0xa9, 0x07, 0x6e, 0xde, 0x7f, 0x4a, 0xf1,
            0x52, 0xe8, 0xb2, 0xfa, 0x9c, 0xb6,
        ];
        let mac = sha384::HMAC::mac(data, key);
        assert_eq!(mac, expected);
        assert!(sha384::HMAC::verify(data, key, &expected));
    }

    #[test]
    fn test_hkdf_sha384_vectors() {
        let ikm = [0x0bu8; 22];
        let salt: [u8; 13] = [
            0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c,
        ];
        let info: [u8; 10] = [0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9];
        let expected: [u8; 42] = [
            0x9b, 0x50, 0x97, 0xa8, 0x60, 0x38, 0xb8, 0x05, 0x30, 0x90, 0x76, 0xa4, 0x4b, 0x3a,
            0x9f, 0x38, 0x06, 0x3e, 0x25, 0xb5, 0x16, 0xdc, 0xbf, 0x36, 0x9f, 0x39, 0x4c, 0xfa,
            0xb4, 0x36, 0x85, 0xf7, 0x48, 0xb6, 0x45, 0x77, 0x63, 0xe4, 0xf0, 0x20, 0x4f, 0xc5,
        ];
        let prk = sha384::HKDF::extract(salt, ikm);
        let mut okm = [0u8; 42];
        sha384::HKDF::expand(&mut okm, prk, info);
        assert_eq!(okm, expected);

        // empty
        let expected_empty: [u8; 42] = [
            0xc8, 0xc9, 0x6e, 0x71, 0x0f, 0x89, 0xb0, 0xd7, 0x99, 0x0b, 0xca, 0x68, 0xbc, 0xde,
            0xc8, 0xcf, 0x85, 0x40, 0x62, 0xe5, 0x4c, 0x73, 0xa7, 0xab, 0xc7, 0x43, 0xfa, 0xde,
            0x9b, 0x24, 0x2d, 0xaa, 0xcc, 0x1c, 0xea, 0x56, 0x70, 0x41, 0x5b, 0x52, 0x84, 0x9c,
        ];
        let prk = sha384::HKDF::extract([], ikm);
        let mut okm = [0u8; 42];
        sha384::HKDF::expand(&mut okm, prk, []);
        assert_eq!(okm, expected_empty);
    }

    #[test]
    fn test_hmac_sha384_streaming() {
        let key = b"secret key";
        let message = b"Hello, World!";

        let oneshot = sha384::HMAC::mac(message, key);

        let mut streaming = sha384::HMAC::new(key);
        streaming.update(b"Hello, ");
        streaming.update(b"World!");
        let result = streaming.finalize();
        assert_eq!(oneshot, result);

        let mut streaming = sha384::HMAC::new(key);
        streaming.update(message);
        assert!(streaming.finalize_verify(&oneshot));
    }
}