/**
 * Type definitions for HD wallet cryptographic operations
 */
/**
 * Derived key result from HD derivation
 */
export interface DerivedKey {
    /** 32-byte private key (seed for Ed25519) */
    privateKey: Uint8Array;
    /** 32-byte chain code for further derivation */
    chainCode: Uint8Array;
}
/**
 * Full key pair with public key
 */
export interface KeyPair {
    /** 32-byte private key */
    privateKey: Uint8Array;
    /** 32-byte public key */
    publicKey: Uint8Array;
}
/**
 * Encryption key pair (X25519)
 */
export interface EncryptionKeyPair {
    /** 32-byte X25519 private key */
    privateKey: Uint8Array;
    /** 32-byte X25519 public key */
    publicKey: Uint8Array;
}
/**
 * Secp256k1 identity key pair (for libp2p PeerID)
 */
export interface IdentityKeyPair {
    /** 32-byte secp256k1 private key */
    privateKey: Uint8Array;
    /** 33-byte compressed secp256k1 public key */
    publicKey: Uint8Array;
}
/**
 * Derived SDN identity
 */
export interface DerivedIdentity {
    /** BIP-44 account index */
    account: number;
    /** Secp256k1 identity key at m/44'/0'/account' (for libp2p PeerID) */
    identityKey: IdentityKeyPair;
    /** PeerID string derived from secp256k1 identity public key */
    peerId: string;
    /** BIP-32 xpub at m/44'/0'/account' */
    xpub: string;
    /** Ed25519 signing key pair (for auth) */
    signingKey: KeyPair;
    /** X25519 encryption key pair */
    encryptionKey: EncryptionKeyPair;
    /** Derivation path for identity key */
    identityKeyPath: string;
    /** Derivation path for signing key */
    signingKeyPath: string;
    /** Derivation path for encryption key */
    encryptionKeyPath: string;
}
/**
 * HD wallet initialization options
 */
export interface HDWalletOptions {
    /** Path to WASM file (optional, uses default paths if not provided) */
    wasmPath?: string;
}
/**
 * Mnemonic generation options
 */
export interface MnemonicOptions {
    /** Number of words (12, 15, 18, 21, or 24). Default: 24 */
    wordCount?: 12 | 15 | 18 | 21 | 24;
    /** Language for wordlist. Default: 'english' */
    language?: 'english' | 'japanese' | 'korean' | 'spanish' | 'chinese_simplified' | 'chinese_traditional' | 'french' | 'italian' | 'czech' | 'portuguese';
}
/**
 * Language codes for BIP-39 wordlists
 */
export declare const LanguageCode: {
    readonly english: 0;
    readonly japanese: 1;
    readonly korean: 2;
    readonly spanish: 3;
    readonly chinese_simplified: 4;
    readonly chinese_traditional: 5;
    readonly french: 6;
    readonly italian: 7;
    readonly czech: 8;
    readonly portuguese: 9;
};
/**
 * SDN derivation constants
 */
export declare const SDNDerivation: {
    /** BIP-44 coin type (0 = Bitcoin, standard default) */
    readonly COIN_TYPE: 0;
    /** Signing key purpose (change index 0) */
    readonly SIGNING_PURPOSE: 0;
    /** Encryption key purpose (change index 1) */
    readonly ENCRYPTION_PURPOSE: 1;
    /** Default BIP-44 purpose */
    readonly BIP44_PURPOSE: 44;
};
/**
 * Build SDN derivation path for identity key (secp256k1): m/44'/0'/account'
 */
export declare function buildIdentityPath(account: number): string;
/**
 * Build SDN derivation path for signing key
 */
export declare function buildSigningPath(account: number): string;
/**
 * Build SDN derivation path for encryption key
 */
export declare function buildEncryptionPath(account: number): string;
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