{
  "version": 3,
  "sources": ["../../src/sodium/ecc.ts"],
  "sourcesContent": ["import libsodium from 'libsodium-wrappers'\nimport * as u from 'uint8arrays'\nimport type { LockKey, JSONValue, DID } from '../types.js'\nimport {\n    generateEntropy,\n    fromString,\n    asBufferOrString,\n    toString,\n    stringify,\n    publicKeyToDid\n} from '../util.js'\nimport { didToPublicKey } from '../index.js'\n\nexport { stringify, publicKeyToDid }\n\nconst CURRENT_LOCK_KEY_FORMAT_VERSION = 1\n\nexport function importPublicKey (key:string):Uint8Array {\n    return fromString(key)\n}\n\n/**\n * Convert a DID format string to a public key instance.\n */\nexport async function importDid (did:DID):Promise<Uint8Array> {\n    const parsed = didToPublicKey(did)\n    const pubKey = parsed.publicKey\n    return pubKey\n}\n\n/**\n * Create a new keypair.\n */\nexport async function create ():Promise<LockKey> {\n    const keys = await deriveLockKey()\n    return keys\n}\n\nasync function deriveLockKey (iv?:Uint8Array):Promise<LockKey> {\n    await libsodium.ready\n    const sodium = libsodium\n\n    const IV_BYTE_LENGTH = sodium.crypto_sign_SEEDBYTES\n    if (!iv) {\n        iv = generateEntropy(sodium, IV_BYTE_LENGTH)\n    }\n\n    try {\n        const ed25519KeyPair = sodium.crypto_sign_seed_keypair(iv)\n\n        return {\n            keyFormatVersion: CURRENT_LOCK_KEY_FORMAT_VERSION,\n            iv,\n            publicKey: ed25519KeyPair.publicKey,\n            privateKey: ed25519KeyPair.privateKey,\n            encPK: sodium.crypto_sign_ed25519_pk_to_curve25519(\n                ed25519KeyPair.publicKey,\n            ),\n            encSK: sodium.crypto_sign_ed25519_sk_to_curve25519(\n                ed25519KeyPair.privateKey,\n            ),\n        }\n    } catch (err) {\n        throw new Error('Encryption/decryption key derivation failed.', {\n            cause: err,\n        })\n    }\n}\n\n/**\n * Verify a given signature and message.\n */\nexport async function verify (\n    data:string|Uint8Array,\n    sig:string|Uint8Array,\n    keys:{ publicKey:Uint8Array|string }\n):Promise<boolean> {\n    await libsodium.ready\n    const sodium = libsodium\n\n    try {\n        const pubKey = (typeof keys.publicKey === 'string' ?\n            fromString(keys.publicKey) :\n            keys.publicKey)\n\n        const isOk = sodium.crypto_sign_verify_detached(\n            typeof sig === 'string' ? fromString(sig) : sig,\n            data,\n            pubKey\n        )\n\n        return isOk\n    } catch (_err) {\n        return false\n    }\n}\n\nexport async function sign (data:string|Uint8Array, key:LockKey):Promise<string>\n\nexport async function sign (data:string|Uint8Array, key:LockKey, opts:{\n    format:'raw'\n}):Promise<Uint8Array>\n\nexport async function sign (data:string|Uint8Array, key:LockKey, opts:{\n    format:'string'\n}):Promise<string>\n\n/**\n * Sign the given data.\n *\n * Async to match the webcrypto API.\n *\n * @param data The data to sign.\n * @param key The keys to use\n * @param opts Can specify 'raw' as `outputFormat`, which will return\n * a `Uint8Array` instead of a string.\n * @returns {Promise<string|Uint8Array>} String or binary, depending on `opts`\n */\nexport async function sign (\n    data:string|Uint8Array,\n    key:LockKey,\n    opts:{\n        format:'string'|'raw'\n    } = { format: 'string' }\n):Promise<string|Uint8Array> {\n    const outputFormat = opts.format\n    await libsodium.ready\n    const sodium = libsodium\n\n    const sig = sodium.crypto_sign_detached(\n        data,\n        key.privateKey\n    )\n\n    return outputFormat === 'string' ? toString(sig) : sig\n}\n\nexport async function encrypt (data:JSONValue, lockKey:LockKey):Promise<string>\nexport async function encrypt (data:JSONValue, lockKey:LockKey, { outputFormat }:{\n    outputFormat:'string'\n}):Promise<string>\nexport async function encrypt (data:JSONValue, lockKey, { outputFormat }:{\n    outputFormat:'raw'\n}):Promise<Uint8Array>\n\nexport async function encrypt (\n    data:JSONValue,\n    lockKey:LockKey,\n    opts:{\n        outputFormat:'string'|'raw';\n    } = { outputFormat: 'string' }\n):Promise<string|Uint8Array> {\n    await libsodium.ready\n    const sodium = libsodium\n    const { outputFormat } = opts\n\n    if (data == null) {\n        throw new Error('Non-empty data required.')\n    }\n\n    try {\n        const dataBuffer = asBufferOrString(data)\n        const encData = sodium.crypto_box_seal(dataBuffer, lockKey.encPK)\n\n        const output = (outputFormat.toLowerCase() === 'string') ?\n            toString(encData) :\n            encData\n\n        return output\n    } catch (err) {\n        throw new Error('Data encryption failed.', { cause: err })\n    }\n}\n\n/**\n * If called with { parseJSON: false }, will return\n * a string.\n *\n * If called with { outputFormat: 'raw' }, will return\n * a Uint8Array.\n */\nexport async function decrypt (\n    data:string|Uint8Array,\n    lockKey:LockKey,\n    { outputFormat }:{\n        outputFormat:'raw';\n    }\n):Promise<Uint8Array>\nexport async function decrypt (\n    data:string|Uint8Array,\n    lockKey:LockKey,\n    opts?:{\n        outputFormat:'utf8',\n    }\n):Promise<string>\n\nexport async function decrypt (\n    data:string|Uint8Array,\n    lockKey:LockKey,\n    opts:{ outputFormat?:'utf8'|'raw' } = {\n        outputFormat: 'utf8'\n    }\n):Promise<string|Uint8Array|JSONValue> {\n    await libsodium.ready\n    const sodium = libsodium\n    const outputFormat = opts.outputFormat || 'utf8'\n\n    const dataBuffer = sodium.crypto_box_seal_open(\n        typeof data === 'string' ? fromString(data) : data,\n        lockKey.encPK,\n        lockKey.encSK\n    )\n\n    if (outputFormat === 'utf8') {\n        const decodedData = u.toString(dataBuffer, 'utf-8')\n        return decodedData\n    }\n\n    return dataBuffer\n}\n"],
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  "names": ["libsodium"]
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