pqc-kyber/pqc_kyber_bg.js

The post-quantum Kyber key exchange algorithm, written in rust and compiled to wasm

let wasm;
export function __wbg_set_wasm(val) {
    wasm = val;
}


const heap = new Array(128).fill(undefined);

heap.push(undefined, null, true, false);

function getObject(idx) { return heap[idx]; }

let heap_next = heap.length;

function dropObject(idx) {
    if (idx < 132) return;
    heap[idx] = heap_next;
    heap_next = idx;
}

function takeObject(idx) {
    const ret = getObject(idx);
    dropObject(idx);
    return ret;
}

const lTextDecoder = typeof TextDecoder === 'undefined' ? (0, module.require)('util').TextDecoder : TextDecoder;

let cachedTextDecoder = new lTextDecoder('utf-8', { ignoreBOM: true, fatal: true });

cachedTextDecoder.decode();

let cachedUint8Memory0 = null;

function getUint8Memory0() {
    if (cachedUint8Memory0 === null || cachedUint8Memory0.byteLength === 0) {
        cachedUint8Memory0 = new Uint8Array(wasm.memory.buffer);
    }
    return cachedUint8Memory0;
}

function getStringFromWasm0(ptr, len) {
    ptr = ptr >>> 0;
    return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
}

function addHeapObject(obj) {
    if (heap_next === heap.length) heap.push(heap.length + 1);
    const idx = heap_next;
    heap_next = heap[idx];

    heap[idx] = obj;
    return idx;
}

function debugString(val) {
    // primitive types
    const type = typeof val;
    if (type == 'number' || type == 'boolean' || val == null) {
        return  `${val}`;
    }
    if (type == 'string') {
        return `"${val}"`;
    }
    if (type == 'symbol') {
        const description = val.description;
        if (description == null) {
            return 'Symbol';
        } else {
            return `Symbol(${description})`;
        }
    }
    if (type == 'function') {
        const name = val.name;
        if (typeof name == 'string' && name.length > 0) {
            return `Function(${name})`;
        } else {
            return 'Function';
        }
    }
    // objects
    if (Array.isArray(val)) {
        const length = val.length;
        let debug = '[';
        if (length > 0) {
            debug += debugString(val[0]);
        }
        for(let i = 1; i < length; i++) {
            debug += ', ' + debugString(val[i]);
        }
        debug += ']';
        return debug;
    }
    // Test for built-in
    const builtInMatches = /\[object ([^\]]+)\]/.exec(toString.call(val));
    let className;
    if (builtInMatches.length > 1) {
        className = builtInMatches[1];
    } else {
        // Failed to match the standard '[object ClassName]'
        return toString.call(val);
    }
    if (className == 'Object') {
        // we're a user defined class or Object
        // JSON.stringify avoids problems with cycles, and is generally much
        // easier than looping through ownProperties of `val`.
        try {
            return 'Object(' + JSON.stringify(val) + ')';
        } catch (_) {
            return 'Object';
        }
    }
    // errors
    if (val instanceof Error) {
        return `${val.name}: ${val.message}\n${val.stack}`;
    }
    // TODO we could test for more things here, like `Set`s and `Map`s.
    return className;
}

let WASM_VECTOR_LEN = 0;

const lTextEncoder = typeof TextEncoder === 'undefined' ? (0, module.require)('util').TextEncoder : TextEncoder;

let cachedTextEncoder = new lTextEncoder('utf-8');

const encodeString = (typeof cachedTextEncoder.encodeInto === 'function'
    ? function (arg, view) {
    return cachedTextEncoder.encodeInto(arg, view);
}
    : function (arg, view) {
    const buf = cachedTextEncoder.encode(arg);
    view.set(buf);
    return {
        read: arg.length,
        written: buf.length
    };
});

function passStringToWasm0(arg, malloc, realloc) {

    if (realloc === undefined) {
        const buf = cachedTextEncoder.encode(arg);
        const ptr = malloc(buf.length, 1) >>> 0;
        getUint8Memory0().subarray(ptr, ptr + buf.length).set(buf);
        WASM_VECTOR_LEN = buf.length;
        return ptr;
    }

    let len = arg.length;
    let ptr = malloc(len, 1) >>> 0;

    const mem = getUint8Memory0();

    let offset = 0;

    for (; offset < len; offset++) {
        const code = arg.charCodeAt(offset);
        if (code > 0x7F) break;
        mem[ptr + offset] = code;
    }

    if (offset !== len) {
        if (offset !== 0) {
            arg = arg.slice(offset);
        }
        ptr = realloc(ptr, len, len = offset + arg.length * 3, 1) >>> 0;
        const view = getUint8Memory0().subarray(ptr + offset, ptr + len);
        const ret = encodeString(arg, view);

        offset += ret.written;
    }

    WASM_VECTOR_LEN = offset;
    return ptr;
}

let cachedInt32Memory0 = null;

function getInt32Memory0() {
    if (cachedInt32Memory0 === null || cachedInt32Memory0.byteLength === 0) {
        cachedInt32Memory0 = new Int32Array(wasm.memory.buffer);
    }
    return cachedInt32Memory0;
}
/**
* @returns {Keys}
*/
export function keypair() {
    try {
        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
        wasm.keypair(retptr);
        var r0 = getInt32Memory0()[retptr / 4 + 0];
        var r1 = getInt32Memory0()[retptr / 4 + 1];
        var r2 = getInt32Memory0()[retptr / 4 + 2];
        if (r2) {
            throw takeObject(r1);
        }
        return Keys.__wrap(r0);
    } finally {
        wasm.__wbindgen_add_to_stack_pointer(16);
    }
}

function passArray8ToWasm0(arg, malloc) {
    const ptr = malloc(arg.length * 1, 1) >>> 0;
    getUint8Memory0().set(arg, ptr / 1);
    WASM_VECTOR_LEN = arg.length;
    return ptr;
}
/**
* @param {Uint8Array} pk
* @returns {Kex}
*/
export function encapsulate(pk) {
    try {
        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
        const ptr0 = passArray8ToWasm0(pk, wasm.__wbindgen_malloc);
        const len0 = WASM_VECTOR_LEN;
        wasm.encapsulate(retptr, ptr0, len0);
        var r0 = getInt32Memory0()[retptr / 4 + 0];
        var r1 = getInt32Memory0()[retptr / 4 + 1];
        var r2 = getInt32Memory0()[retptr / 4 + 2];
        if (r2) {
            throw takeObject(r1);
        }
        return Kex.__wrap(r0);
    } finally {
        wasm.__wbindgen_add_to_stack_pointer(16);
    }
}

function getArrayU8FromWasm0(ptr, len) {
    ptr = ptr >>> 0;
    return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
}
/**
* @param {Uint8Array} ct
* @param {Uint8Array} sk
* @returns {Uint8Array}
*/
export function decapsulate(ct, sk) {
    try {
        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
        const ptr0 = passArray8ToWasm0(ct, wasm.__wbindgen_malloc);
        const len0 = WASM_VECTOR_LEN;
        const ptr1 = passArray8ToWasm0(sk, wasm.__wbindgen_malloc);
        const len1 = WASM_VECTOR_LEN;
        wasm.decapsulate(retptr, ptr0, len0, ptr1, len1);
        var r0 = getInt32Memory0()[retptr / 4 + 0];
        var r1 = getInt32Memory0()[retptr / 4 + 1];
        var r2 = getInt32Memory0()[retptr / 4 + 2];
        var r3 = getInt32Memory0()[retptr / 4 + 3];
        if (r3) {
            throw takeObject(r2);
        }
        var v3 = getArrayU8FromWasm0(r0, r1).slice();
        wasm.__wbindgen_free(r0, r1 * 1);
        return v3;
    } finally {
        wasm.__wbindgen_add_to_stack_pointer(16);
    }
}

function handleError(f, args) {
    try {
        return f.apply(this, args);
    } catch (e) {
        wasm.__wbindgen_exn_store(addHeapObject(e));
    }
}
/**
*/
export class Kex {

    static __wrap(ptr) {
        ptr = ptr >>> 0;
        const obj = Object.create(Kex.prototype);
        obj.__wbg_ptr = ptr;

        return obj;
    }

    __destroy_into_raw() {
        const ptr = this.__wbg_ptr;
        this.__wbg_ptr = 0;

        return ptr;
    }

    free() {
        const ptr = this.__destroy_into_raw();
        wasm.__wbg_kex_free(ptr);
    }
    /**
    * @param {Uint8Array} public_key
    */
    constructor(public_key) {
        const ptr0 = passArray8ToWasm0(public_key, wasm.__wbindgen_malloc);
        const len0 = WASM_VECTOR_LEN;
        const ret = wasm.kex_new(ptr0, len0);
        return Kex.__wrap(ret);
    }
    /**
    * @returns {Uint8Array}
    */
    get ciphertext() {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            wasm.kex_ciphertext(retptr, this.__wbg_ptr);
            var r0 = getInt32Memory0()[retptr / 4 + 0];
            var r1 = getInt32Memory0()[retptr / 4 + 1];
            var v1 = getArrayU8FromWasm0(r0, r1).slice();
            wasm.__wbindgen_free(r0, r1 * 1);
            return v1;
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
        }
    }
    /**
    * @returns {Uint8Array}
    */
    get sharedSecret() {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            wasm.kex_sharedSecret(retptr, this.__wbg_ptr);
            var r0 = getInt32Memory0()[retptr / 4 + 0];
            var r1 = getInt32Memory0()[retptr / 4 + 1];
            var v1 = getArrayU8FromWasm0(r0, r1).slice();
            wasm.__wbindgen_free(r0, r1 * 1);
            return v1;
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
        }
    }
    /**
    * @param {Uint8Array} ciphertext
    */
    set ciphertext(ciphertext) {
        const ptr0 = passArray8ToWasm0(ciphertext, wasm.__wbindgen_malloc);
        const len0 = WASM_VECTOR_LEN;
        wasm.kex_set_ciphertext(this.__wbg_ptr, ptr0, len0);
    }
    /**
    * @param {Uint8Array} sharedSecret
    */
    set sharedSecret(sharedSecret) {
        const ptr0 = passArray8ToWasm0(sharedSecret, wasm.__wbindgen_malloc);
        const len0 = WASM_VECTOR_LEN;
        wasm.kex_set_sharedSecret(this.__wbg_ptr, ptr0, len0);
    }
}
/**
*/
export class Keys {

    static __wrap(ptr) {
        ptr = ptr >>> 0;
        const obj = Object.create(Keys.prototype);
        obj.__wbg_ptr = ptr;

        return obj;
    }

    __destroy_into_raw() {
        const ptr = this.__wbg_ptr;
        this.__wbg_ptr = 0;

        return ptr;
    }

    free() {
        const ptr = this.__destroy_into_raw();
        wasm.__wbg_keys_free(ptr);
    }
    /**
    */
    constructor() {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            wasm.keypair(retptr);
            var r0 = getInt32Memory0()[retptr / 4 + 0];
            var r1 = getInt32Memory0()[retptr / 4 + 1];
            var r2 = getInt32Memory0()[retptr / 4 + 2];
            if (r2) {
                throw takeObject(r1);
            }
            return Keys.__wrap(r0);
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
        }
    }
    /**
    * @returns {Uint8Array}
    */
    get pubkey() {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            wasm.kex_ciphertext(retptr, this.__wbg_ptr);
            var r0 = getInt32Memory0()[retptr / 4 + 0];
            var r1 = getInt32Memory0()[retptr / 4 + 1];
            var v1 = getArrayU8FromWasm0(r0, r1).slice();
            wasm.__wbindgen_free(r0, r1 * 1);
            return v1;
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
        }
    }
    /**
    * @returns {Uint8Array}
    */
    get secret() {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            wasm.kex_sharedSecret(retptr, this.__wbg_ptr);
            var r0 = getInt32Memory0()[retptr / 4 + 0];
            var r1 = getInt32Memory0()[retptr / 4 + 1];
            var v1 = getArrayU8FromWasm0(r0, r1).slice();
            wasm.__wbindgen_free(r0, r1 * 1);
            return v1;
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
        }
    }
}
/**
*/
export class Params {

    __destroy_into_raw() {
        const ptr = this.__wbg_ptr;
        this.__wbg_ptr = 0;

        return ptr;
    }

    free() {
        const ptr = this.__destroy_into_raw();
        wasm.__wbg_params_free(ptr);
    }
    /**
    * @returns {number}
    */
    get publicKeyBytes() {
        const ret = wasm.__wbg_get_params_publicKeyBytes(this.__wbg_ptr);
        return ret >>> 0;
    }
    /**
    * @returns {number}
    */
    get secretKeyBytes() {
        const ret = wasm.__wbg_get_params_secretKeyBytes(this.__wbg_ptr);
        return ret >>> 0;
    }
    /**
    * @returns {number}
    */
    get ciphertextBytes() {
        const ret = wasm.__wbg_get_params_ciphertextBytes(this.__wbg_ptr);
        return ret >>> 0;
    }
    /**
    * @returns {number}
    */
    get sharedSecretBytes() {
        const ret = wasm.__wbg_get_params_sharedSecretBytes(this.__wbg_ptr);
        return ret >>> 0;
    }
    /**
    * @returns {number}
    */
    static get publicKeyBytes() {
        const ret = wasm.params_publicKeyBytes();
        return ret >>> 0;
    }
    /**
    * @returns {number}
    */
    static get secretKeyBytes() {
        const ret = wasm.params_secretKeyBytes();
        return ret >>> 0;
    }
    /**
    * @returns {number}
    */
    static get ciphertextBytes() {
        const ret = wasm.params_ciphertextBytes();
        return ret >>> 0;
    }
    /**
    * @returns {number}
    */
    static get sharedSecretBytes() {
        const ret = wasm.params_sharedSecretBytes();
        return ret >>> 0;
    }
}

export function __wbindgen_object_drop_ref(arg0) {
    takeObject(arg0);
};

export function __wbindgen_error_new(arg0, arg1) {
    const ret = new Error(getStringFromWasm0(arg0, arg1));
    return addHeapObject(ret);
};

export function __wbg_crypto_c48a774b022d20ac(arg0) {
    const ret = getObject(arg0).crypto;
    return addHeapObject(ret);
};

export function __wbindgen_is_object(arg0) {
    const val = getObject(arg0);
    const ret = typeof(val) === 'object' && val !== null;
    return ret;
};

export function __wbg_process_298734cf255a885d(arg0) {
    const ret = getObject(arg0).process;
    return addHeapObject(ret);
};

export function __wbg_versions_e2e78e134e3e5d01(arg0) {
    const ret = getObject(arg0).versions;
    return addHeapObject(ret);
};

export function __wbg_node_1cd7a5d853dbea79(arg0) {
    const ret = getObject(arg0).node;
    return addHeapObject(ret);
};

export function __wbindgen_is_string(arg0) {
    const ret = typeof(getObject(arg0)) === 'string';
    return ret;
};

export function __wbg_msCrypto_bcb970640f50a1e8(arg0) {
    const ret = getObject(arg0).msCrypto;
    return addHeapObject(ret);
};

export function __wbg_require_8f08ceecec0f4fee() { return handleError(function () {
    const ret = module.require;
    return addHeapObject(ret);
}, arguments) };

export function __wbindgen_is_function(arg0) {
    const ret = typeof(getObject(arg0)) === 'function';
    return ret;
};

export function __wbindgen_string_new(arg0, arg1) {
    const ret = getStringFromWasm0(arg0, arg1);
    return addHeapObject(ret);
};

export function __wbg_getRandomValues_37fa2ca9e4e07fab() { return handleError(function (arg0, arg1) {
    getObject(arg0).getRandomValues(getObject(arg1));
}, arguments) };

export function __wbg_randomFillSync_dc1e9a60c158336d() { return handleError(function (arg0, arg1) {
    getObject(arg0).randomFillSync(takeObject(arg1));
}, arguments) };

export function __wbg_newnoargs_2b8b6bd7753c76ba(arg0, arg1) {
    const ret = new Function(getStringFromWasm0(arg0, arg1));
    return addHeapObject(ret);
};

export function __wbg_call_95d1ea488d03e4e8() { return handleError(function (arg0, arg1) {
    const ret = getObject(arg0).call(getObject(arg1));
    return addHeapObject(ret);
}, arguments) };

export function __wbindgen_object_clone_ref(arg0) {
    const ret = getObject(arg0);
    return addHeapObject(ret);
};

export function __wbg_self_e7c1f827057f6584() { return handleError(function () {
    const ret = self.self;
    return addHeapObject(ret);
}, arguments) };

export function __wbg_window_a09ec664e14b1b81() { return handleError(function () {
    const ret = window.window;
    return addHeapObject(ret);
}, arguments) };

export function __wbg_globalThis_87cbb8506fecf3a9() { return handleError(function () {
    const ret = globalThis.globalThis;
    return addHeapObject(ret);
}, arguments) };

export function __wbg_global_c85a9259e621f3db() { return handleError(function () {
    const ret = global.global;
    return addHeapObject(ret);
}, arguments) };

export function __wbindgen_is_undefined(arg0) {
    const ret = getObject(arg0) === undefined;
    return ret;
};

export function __wbg_call_9495de66fdbe016b() { return handleError(function (arg0, arg1, arg2) {
    const ret = getObject(arg0).call(getObject(arg1), getObject(arg2));
    return addHeapObject(ret);
}, arguments) };

export function __wbg_buffer_cf65c07de34b9a08(arg0) {
    const ret = getObject(arg0).buffer;
    return addHeapObject(ret);
};

export function __wbg_newwithbyteoffsetandlength_9fb2f11355ecadf5(arg0, arg1, arg2) {
    const ret = new Uint8Array(getObject(arg0), arg1 >>> 0, arg2 >>> 0);
    return addHeapObject(ret);
};

export function __wbg_new_537b7341ce90bb31(arg0) {
    const ret = new Uint8Array(getObject(arg0));
    return addHeapObject(ret);
};

export function __wbg_set_17499e8aa4003ebd(arg0, arg1, arg2) {
    getObject(arg0).set(getObject(arg1), arg2 >>> 0);
};

export function __wbg_newwithlength_b56c882b57805732(arg0) {
    const ret = new Uint8Array(arg0 >>> 0);
    return addHeapObject(ret);
};

export function __wbg_subarray_7526649b91a252a6(arg0, arg1, arg2) {
    const ret = getObject(arg0).subarray(arg1 >>> 0, arg2 >>> 0);
    return addHeapObject(ret);
};

export function __wbindgen_debug_string(arg0, arg1) {
    const ret = debugString(getObject(arg1));
    const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
    const len1 = WASM_VECTOR_LEN;
    getInt32Memory0()[arg0 / 4 + 1] = len1;
    getInt32Memory0()[arg0 / 4 + 0] = ptr1;
};

export function __wbindgen_throw(arg0, arg1) {
    throw new Error(getStringFromWasm0(arg0, arg1));
};

export function __wbindgen_memory() {
    const ret = wasm.memory;
    return addHeapObject(ret);
};