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

ChaCha20Poly1305 adapter for WebAssembly and JS implementations

import { Abstract } from "../abstract/mod.js";
export function fromNoble(noble) {
    const { chacha20, chacha20poly1305 } = noble;
    class Memory extends Abstract.Memory {
        inner;
        constructor(inner) {
            super();
            this.inner = inner;
        }
        [Symbol.dispose]() { }
        static fromOrThrow(memory) {
            if (memory instanceof Memory)
                return memory;
            if (memory instanceof Uint8Array)
                return new Memory(memory);
            if (memory.inner instanceof Uint8Array)
                return new Memory(memory.inner);
            return new Memory(new Uint8Array(memory.bytes));
        }
        get bytes() {
            return this.inner;
        }
    }
    class ChaCha20Cipher extends Abstract.ChaCha20Cipher {
        key;
        nonce;
        counter = 0;
        constructor(key, nonce) {
            super();
            this.key = key;
            this.nonce = nonce;
        }
        [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(key.bytes, nonce.bytes);
        }
        applyOrThrow(message) {
            if (message instanceof Memory === false)
                throw new Error();
            chacha20(this.key, this.nonce, message.bytes, message.bytes, this.counter++);
        }
    }
    class ChaCha20Poly1305Cipher extends Abstract.ChaCha20Poly1305Cipher {
        key;
        constructor(key) {
            super();
            this.key = key;
        }
        [Symbol.dispose]() { }
        static importOrThrow(key) {
            if (key instanceof Memory === false)
                throw new Error();
            return new ChaCha20Poly1305Cipher(new Uint8Array(key.bytes));
        }
        encryptOrThrow(message, nonce) {
            if (message instanceof Memory === false)
                throw new Error();
            if (nonce instanceof Memory === false)
                throw new Error();
            return new Memory(chacha20poly1305(this.key, nonce.bytes).encrypt(message.bytes));
        }
        decryptOrThrow(message, nonce) {
            if (message instanceof Memory === false)
                throw new Error();
            return new Memory(chacha20poly1305(this.key, nonce.bytes).decrypt(message.bytes));
        }
    }
    return { Memory, ChaCha20Cipher, ChaCha20Poly1305Cipher };
}