@hazae41/chacha20poly1305/dist/cjs/mods/chacha20poly1305/noble.cjs.map

ChaCha20Poly1305 adapter for WebAssembly and JS implementations

{"version":3,"file":"noble.cjs","sources":["../../../../src/mods/chacha20poly1305/noble.ts"],"sourcesContent":["import type * as ChaChaNoble from \"@noble/ciphers/chacha\"\n\nimport { Lengthed } from \"@hazae41/lengthed\"\nimport { Owned, Unowned } from \"libs/ownable/index.js\"\nimport { Abstract } from \"./abstract.js\"\nimport { Adapter } from \"./adapter.js\"\n\nexport function fromNoble(noble: typeof ChaChaNoble) {\n  const { chacha20, chacha20poly1305 } = noble\n\n  class Memory<N extends number = number> extends Abstract.Memory {\n\n    constructor(\n      readonly inner: Uint8Array\n    ) {\n      super()\n    }\n\n    static fromOrThrow<N extends number = number>(memory: Abstract.Memory<N>) {\n      if (memory instanceof Memory)\n        return new Unowned(memory)\n      if (memory.inner instanceof Uint8Array)\n        return new Unowned(new Memory(memory.inner))\n\n      const inner = new Uint8Array(memory.bytes)\n\n      return new Owned(new Memory<N>(inner))\n    }\n\n    static importOrThrow<N extends number = number>(bytes: Uint8Array & Lengthed<N>) {\n      return new Memory<N>(new Uint8Array(bytes))\n    }\n\n    [Symbol.dispose]() { }\n\n    get bytes() {\n      return this.inner as Uint8Array & Lengthed<N>\n    }\n\n  }\n\n  class ChaCha20Cipher extends Abstract.ChaCha20Cipher {\n\n    counter = 0\n\n    constructor(\n      readonly key: Uint8Array,\n      readonly nonce: Uint8Array\n    ) {\n      super()\n    }\n\n    [Symbol.dispose]() { }\n\n    static importOrThrow(key: Memory<32>, nonce: Memory<12>) {\n      if (key instanceof Memory === false)\n        throw new Error()\n      if (nonce instanceof Memory === false)\n        throw new Error()\n      return new ChaCha20Cipher(new Uint8Array(key.bytes), new Uint8Array(nonce.bytes))\n    }\n\n    applyOrThrow(message: Memory) {\n      if (message instanceof Memory === false)\n        throw new Error()\n      chacha20(this.key, this.nonce, message.bytes, message.bytes, this.counter++)\n    }\n\n  }\n\n  class ChaCha20Poly1305Cipher extends Abstract.ChaCha20Poly1305Cipher {\n\n    constructor(\n      readonly key: Uint8Array\n    ) {\n      super()\n    }\n\n    [Symbol.dispose]() { }\n\n    static importOrThrow(key: Memory<32>) {\n      if (key instanceof Memory === false)\n        throw new Error()\n      return new ChaCha20Poly1305Cipher(new Uint8Array(key.bytes))\n    }\n\n    encryptOrThrow(message: Memory, nonce: Memory<12>) {\n      if (message instanceof Memory === false)\n        throw new Error()\n      if (nonce instanceof Memory === false)\n        throw new Error()\n      return new Memory(chacha20poly1305(this.key, nonce.bytes).encrypt(message.bytes))\n    }\n\n    decryptOrThrow(message: Memory, nonce: Memory<12>) {\n      if (message instanceof Memory === false)\n        throw new Error()\n      return new Memory(chacha20poly1305(this.key, nonce.bytes).decrypt(message.bytes))\n    }\n\n  }\n\n  return { Memory, ChaCha20Cipher, ChaCha20Poly1305Cipher } satisfies 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