declare function bytesToFieldBE(bytes: Uint8Array): bigint;
declare function fieldToBytes32BE(value: bigint): Uint8Array;
declare function poseidon1(input: bigint): Promise<bigint>;
declare function deriveRootSk(walletSignature: Uint8Array): Uint8Array;
declare function deriveSubkey(rootSk: Uint8Array, label: Uint8Array): Uint8Array;
type PrivatePoolKeyMaterial = {
    rootSk: Uint8Array;
    spendingSk: Uint8Array;
    viewingSk: Uint8Array;
    nullifierSk: Uint8Array;
    spendingSkField: bigint;
    nullifierSkField: bigint;
    spendingPkField: bigint;
    viewingPk: Uint8Array;
    paymentAddress: string;
};
declare function derivePrivatePoolKeys(walletSignature: Uint8Array): Promise<PrivatePoolKeyMaterial>;
type CodeSeedFormat = 'short' | 'long';
type CodeKeyMaterial = {
    codeSeed: Uint8Array;
    format: CodeSeedFormat;
    rootSk: Uint8Array;
    spendingSk: Uint8Array;
    viewingSk: Uint8Array;
    nullifierSk: Uint8Array;
    spendingSkField: bigint;
    nullifierSkField: bigint;
    spendingPkField: bigint;
    viewingPk: Uint8Array;
};
declare function generateCodeSeed(format?: CodeSeedFormat): Uint8Array;
declare function detectCodeSeedFormat(codeSeed: Uint8Array): CodeSeedFormat;
declare function deriveCodeKeys(codeSeed: Uint8Array): Promise<CodeKeyMaterial>;
declare function encodeCodeSeed(seed: Uint8Array): string;
declare function decodeCodeSeed(encoded: string): Uint8Array;
declare function encodeShortCode(seed: Uint8Array): string;
declare function decodeShortCode(encoded: string): Uint8Array;
declare function decodeCodeAuto(encoded: string): {
    seed: Uint8Array;
    format: CodeSeedFormat;
};
declare function encodePaymentAddress(spendingPkField: bigint, viewingPk: Uint8Array): string;
declare function parsePaymentAddress(address: string): {
    spendingPkField: bigint;
    viewingPk: Uint8Array;
};
declare const PRIVATE_POOL_V2_KEY_CHALLENGE = "RelAI Private Pool V2 \u2014 derive private balance keys.\n\nThis signature unlocks your hidden-amount balance under the /app/private surface. It does NOT authorize any spend on its own.";
declare function buildKeyChallengeMessage(): Uint8Array;

export { type CodeKeyMaterial, type CodeSeedFormat, PRIVATE_POOL_V2_KEY_CHALLENGE, type PrivatePoolKeyMaterial, buildKeyChallengeMessage, bytesToFieldBE, decodeCodeAuto, decodeCodeSeed, decodeShortCode, deriveCodeKeys, derivePrivatePoolKeys, deriveRootSk, deriveSubkey, detectCodeSeedFormat, encodeCodeSeed, encodePaymentAddress, encodeShortCode, fieldToBytes32BE, generateCodeSeed, parsePaymentAddress, poseidon1 };