@hazae41/chacha20poly1305/out/mods/chacha20poly1305/wasm/mod.js

ChaCha20Poly1305 adapter for WebAssembly and JS implementations

import { Abstract } from "../abstract/mod.js";
export function fromWasm(wasm) {
    class Memory extends Abstract.Memory {
        inner;
        constructor(inner) {
            super();
            this.inner = inner;
        }
        [Symbol.dispose]() {
            this.inner[Symbol.dispose]();
        }
        static fromOrThrow(memory) {
            if (memory instanceof Memory)
                return memory;
            if (memory instanceof Uint8Array)
                return new Memory(new wasm.Memory(memory));
            if (memory.inner instanceof wasm.Memory)
                return new Memory(memory.inner);
            return new Memory(new wasm.Memory(memory.bytes));
        }
        get bytes() {
            return this.inner.bytes;
        }
    }
    class ChaCha20Cipher extends Abstract.ChaCha20Cipher {
        inner;
        constructor(inner) {
            super();
            this.inner = inner;
        }
        [Symbol.dispose]() {
            this.inner[Symbol.dispose]();
        }
        static importOrThrow(key, nonce) {
            if (key instanceof Memory === false)
                throw new Error();
            if (nonce instanceof Memory === false)
                throw new Error();
            return new ChaCha20Cipher(new wasm.ChaCha20Cipher(key.inner, nonce.inner));
        }
        applyOrThrow(message) {
            if (message instanceof Memory === false)
                throw new Error();
            this.inner.apply_keystream(message.inner);
        }
    }
    class ChaCha20Poly1305Cipher extends Abstract.ChaCha20Poly1305Cipher {
        inner;
        constructor(inner) {
            super();
            this.inner = inner;
        }
        [Symbol.dispose]() {
            this.inner[Symbol.dispose]();
        }
        static importOrThrow(key) {
            if (key instanceof Memory === false)
                throw new Error();
            return new ChaCha20Poly1305Cipher(new wasm.ChaCha20Poly1305Cipher(key.inner));
        }
        encryptOrThrow(message, nonce) {
            if (message instanceof Memory === false)
                throw new Error();
            if (nonce instanceof Memory === false)
                throw new Error();
            return new Memory(this.inner.encrypt(message.inner, nonce.inner));
        }
        decryptOrThrow(message, nonce) {
            if (message instanceof Memory === false)
                throw new Error();
            if (nonce instanceof Memory === false)
                throw new Error();
            return new Memory(this.inner.decrypt(message.inner, nonce.inner));
        }
    }
    return { Memory, ChaCha20Cipher, ChaCha20Poly1305Cipher };
}