blog/content/posts/fake-openssh-keys/fake_openssh_key.js

let wasm;

const cachedTextDecoder = (typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-8', { ignoreBOM: true, fatal: true }) : { decode: () => { throw Error('TextDecoder not available') } } );

if (typeof TextDecoder !== 'undefined') { cachedTextDecoder.decode(); };

let cachedUint8ArrayMemory0 = null;

function getUint8ArrayMemory0() {
    if (cachedUint8ArrayMemory0 === null || cachedUint8ArrayMemory0.byteLength === 0) {
        cachedUint8ArrayMemory0 = new Uint8Array(wasm.memory.buffer);
    }
    return cachedUint8ArrayMemory0;
}

function getStringFromWasm0(ptr, len) {
    ptr = ptr >>> 0;
    return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr, ptr + len));
}

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

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

let heap_next = heap.length;

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

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;
}

let WASM_VECTOR_LEN = 0;

const cachedTextEncoder = (typeof TextEncoder !== 'undefined' ? new TextEncoder('utf-8') : { encode: () => { throw Error('TextEncoder not available') } } );

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;
        getUint8ArrayMemory0().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 = getUint8ArrayMemory0();

    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 = getUint8ArrayMemory0().subarray(ptr + offset, ptr + len);
        const ret = encodeString(arg, view);

        offset += ret.written;
        ptr = realloc(ptr, len, offset, 1) >>> 0;
    }

    WASM_VECTOR_LEN = offset;
    return ptr;
}

let cachedDataViewMemory0 = null;

function getDataViewMemory0() {
    if (cachedDataViewMemory0 === null || cachedDataViewMemory0.buffer.detached === true || (cachedDataViewMemory0.buffer.detached === undefined && cachedDataViewMemory0.buffer !== wasm.memory.buffer)) {
        cachedDataViewMemory0 = new DataView(wasm.memory.buffer);
    }
    return cachedDataViewMemory0;
}
/**
* @param {string} public_key
* @returns {string}
*/
export function generate_fake(public_key) {
    let deferred3_0;
    let deferred3_1;
    try {
        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
        const ptr0 = passStringToWasm0(public_key, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
        const len0 = WASM_VECTOR_LEN;
        wasm.generate_fake(retptr, ptr0, len0);
        var r0 = getDataViewMemory0().getInt32(retptr + 4 * 0, true);
        var r1 = getDataViewMemory0().getInt32(retptr + 4 * 1, true);
        var r2 = getDataViewMemory0().getInt32(retptr + 4 * 2, true);
        var r3 = getDataViewMemory0().getInt32(retptr + 4 * 3, true);
        var ptr2 = r0;
        var len2 = r1;
        if (r3) {
            ptr2 = 0; len2 = 0;
            throw takeObject(r2);
        }
        deferred3_0 = ptr2;
        deferred3_1 = len2;
        return getStringFromWasm0(ptr2, len2);
    } finally {
        wasm.__wbindgen_add_to_stack_pointer(16);
        wasm.__wbindgen_free(deferred3_0, deferred3_1, 1);
    }
}

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

async function __wbg_load(module, imports) {
    if (typeof Response === 'function' && module instanceof Response) {
        if (typeof WebAssembly.instantiateStreaming === 'function') {
            try {
                return await WebAssembly.instantiateStreaming(module, imports);

            } catch (e) {
                if (module.headers.get('Content-Type') != 'application/wasm') {
                    console.warn("`WebAssembly.instantiateStreaming` failed because your server does not serve wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n", e);

                } else {
                    throw e;
                }
            }
        }

        const bytes = await module.arrayBuffer();
        return await WebAssembly.instantiate(bytes, imports);

    } else {
        const instance = await WebAssembly.instantiate(module, imports);

        if (instance instanceof WebAssembly.Instance) {
            return { instance, module };

        } else {
            return instance;
        }
    }
}

function __wbg_get_imports() {
    const imports = {};
    imports.wbg = {};
    imports.wbg.__wbindgen_string_new = function(arg0, arg1) {
        const ret = getStringFromWasm0(arg0, arg1);
        return addHeapObject(ret);
    };
    imports.wbg.__wbindgen_object_clone_ref = function(arg0) {
        const ret = getObject(arg0);
        return addHeapObject(ret);
    };
    imports.wbg.__wbg_crypto_1d1f22824a6a080c = function(arg0) {
        const ret = getObject(arg0).crypto;
        return addHeapObject(ret);
    };
    imports.wbg.__wbindgen_is_object = function(arg0) {
        const val = getObject(arg0);
        const ret = typeof(val) === 'object' && val !== null;
        return ret;
    };
    imports.wbg.__wbg_process_4a72847cc503995b = function(arg0) {
        const ret = getObject(arg0).process;
        return addHeapObject(ret);
    };
    imports.wbg.__wbg_versions_f686565e586dd935 = function(arg0) {
        const ret = getObject(arg0).versions;
        return addHeapObject(ret);
    };
    imports.wbg.__wbindgen_object_drop_ref = function(arg0) {
        takeObject(arg0);
    };
    imports.wbg.__wbg_node_104a2ff8d6ea03a2 = function(arg0) {
        const ret = getObject(arg0).node;
        return addHeapObject(ret);
    };
    imports.wbg.__wbindgen_is_string = function(arg0) {
        const ret = typeof(getObject(arg0)) === 'string';
        return ret;
    };
    imports.wbg.__wbg_require_cca90b1a94a0255b = function() { return handleError(function () {
        const ret = module.require;
        return addHeapObject(ret);
    }, arguments) };
    imports.wbg.__wbindgen_is_function = function(arg0) {
        const ret = typeof(getObject(arg0)) === 'function';
        return ret;
    };
    imports.wbg.__wbg_msCrypto_eb05e62b530a1508 = function(arg0) {
        const ret = getObject(arg0).msCrypto;
        return addHeapObject(ret);
    };
    imports.wbg.__wbg_newwithlength_ec548f448387c968 = function(arg0) {
        const ret = new Uint8Array(arg0 >>> 0);
        return addHeapObject(ret);
    };
    imports.wbg.__wbg_call_89af060b4e1523f2 = function() { return handleError(function (arg0, arg1, arg2) {
        const ret = getObject(arg0).call(getObject(arg1), getObject(arg2));
        return addHeapObject(ret);
    }, arguments) };
    imports.wbg.__wbg_self_3093d5d1f7bcb682 = function() { return handleError(function () {
        const ret = self.self;
        return addHeapObject(ret);
    }, arguments) };
    imports.wbg.__wbg_window_3bcfc4d31bc012f8 = function() { return handleError(function () {
        const ret = window.window;
        return addHeapObject(ret);
    }, arguments) };
    imports.wbg.__wbg_globalThis_86b222e13bdf32ed = function() { return handleError(function () {
        const ret = globalThis.globalThis;
        return addHeapObject(ret);
    }, arguments) };
    imports.wbg.__wbg_global_e5a3fe56f8be9485 = function() { return handleError(function () {
        const ret = global.global;
        return addHeapObject(ret);
    }, arguments) };
    imports.wbg.__wbindgen_is_undefined = function(arg0) {
        const ret = getObject(arg0) === undefined;
        return ret;
    };
    imports.wbg.__wbg_newnoargs_76313bd6ff35d0f2 = function(arg0, arg1) {
        const ret = new Function(getStringFromWasm0(arg0, arg1));
        return addHeapObject(ret);
    };
    imports.wbg.__wbg_call_1084a111329e68ce = function() { return handleError(function (arg0, arg1) {
        const ret = getObject(arg0).call(getObject(arg1));
        return addHeapObject(ret);
    }, arguments) };
    imports.wbg.__wbg_subarray_7c2e3576afe181d1 = function(arg0, arg1, arg2) {
        const ret = getObject(arg0).subarray(arg1 >>> 0, arg2 >>> 0);
        return addHeapObject(ret);
    };
    imports.wbg.__wbg_getRandomValues_3aa56aa6edec874c = function() { return handleError(function (arg0, arg1) {
        getObject(arg0).getRandomValues(getObject(arg1));
    }, arguments) };
    imports.wbg.__wbindgen_memory = function() {
        const ret = wasm.memory;
        return addHeapObject(ret);
    };
    imports.wbg.__wbg_buffer_b7b08af79b0b0974 = function(arg0) {
        const ret = getObject(arg0).buffer;
        return addHeapObject(ret);
    };
    imports.wbg.__wbg_newwithbyteoffsetandlength_8a2cb9ca96b27ec9 = function(arg0, arg1, arg2) {
        const ret = new Uint8Array(getObject(arg0), arg1 >>> 0, arg2 >>> 0);
        return addHeapObject(ret);
    };
    imports.wbg.__wbg_randomFillSync_5c9c955aa56b6049 = function() { return handleError(function (arg0, arg1) {
        getObject(arg0).randomFillSync(takeObject(arg1));
    }, arguments) };
    imports.wbg.__wbg_new_ea1883e1e5e86686 = function(arg0) {
        const ret = new Uint8Array(getObject(arg0));
        return addHeapObject(ret);
    };
    imports.wbg.__wbg_set_d1e79e2388520f18 = function(arg0, arg1, arg2) {
        getObject(arg0).set(getObject(arg1), arg2 >>> 0);
    };
    imports.wbg.__wbindgen_throw = function(arg0, arg1) {
        throw new Error(getStringFromWasm0(arg0, arg1));
    };

    return imports;
}

function __wbg_init_memory(imports, memory) {

}

function __wbg_finalize_init(instance, module) {
    wasm = instance.exports;
    __wbg_init.__wbindgen_wasm_module = module;
    cachedDataViewMemory0 = null;
    cachedUint8ArrayMemory0 = null;



    return wasm;
}

function initSync(module) {
    if (wasm !== undefined) return wasm;


    if (typeof module !== 'undefined' && Object.getPrototypeOf(module) === Object.prototype)
    ({module} = module)
    else
    console.warn('using deprecated parameters for `initSync()`; pass a single object instead')

    const imports = __wbg_get_imports();

    __wbg_init_memory(imports);

    if (!(module instanceof WebAssembly.Module)) {
        module = new WebAssembly.Module(module);
    }

    const instance = new WebAssembly.Instance(module, imports);

    return __wbg_finalize_init(instance, module);
}

async function __wbg_init(module_or_path) {
    if (wasm !== undefined) return wasm;


    if (typeof module_or_path !== 'undefined' && Object.getPrototypeOf(module_or_path) === Object.prototype)
    ({module_or_path} = module_or_path)
    else
    console.warn('using deprecated parameters for the initialization function; pass a single object instead')

    if (typeof module_or_path === 'undefined') {
        module_or_path = new URL('fake_openssh_key_bg.wasm', import.meta.url);
    }
    const imports = __wbg_get_imports();

    if (typeof module_or_path === 'string' || (typeof Request === 'function' && module_or_path instanceof Request) || (typeof URL === 'function' && module_or_path instanceof URL)) {
        module_or_path = fetch(module_or_path);
    }

    __wbg_init_memory(imports);

    const { instance, module } = await __wbg_load(await module_or_path, imports);

    return __wbg_finalize_init(instance, module);
}

export { initSync };
export default __wbg_init;