import * as Bytes from './Bytes.js';
import * as Errors from './Errors.js';
import * as Hash from './Hash.js';
import * as Hex from './Hex.js';
import * as keyDerivation from './internal/keyDerivation.js';
/** Re-export of noble/curves Ed25519 utilities. */
export declare const noble: import("@noble/curves/abstract/edwards.js").EdDSA;
/**
 * Creates a new Ed25519 key pair consisting of a private key and its corresponding public key.
 *
 * @example
 * ```ts twoslash
 * import { Ed25519 } from 'ox'
 *
 * const { privateKey, publicKey } = Ed25519.createKeyPair()
 * ```
 *
 * @param options - The options to generate the key pair.
 * @returns The generated key pair containing both private and public keys.
 */
export declare function createKeyPair<as extends 'Hex' | 'Bytes' = 'Hex'>(options?: createKeyPair.Options<as>): createKeyPair.ReturnType<as>;
export declare namespace createKeyPair {
    type Options<as extends 'Hex' | 'Bytes' = 'Hex'> = {
        /**
         * Format of the returned private and public keys.
         * @default 'Hex'
         */
        as?: as | 'Hex' | 'Bytes' | undefined;
    };
    type ReturnType<as extends 'Hex' | 'Bytes'> = {
        privateKey: (as extends 'Bytes' ? Bytes.Bytes : never) | (as extends 'Hex' ? Hex.Hex : never);
        publicKey: (as extends 'Bytes' ? Bytes.Bytes : never) | (as extends 'Hex' ? Hex.Hex : never);
    };
    type ErrorType = Hex.fromBytes.ErrorType | randomPrivateKey.ErrorType | getPublicKey.ErrorType | Errors.GlobalErrorType;
}
/**
 * Derives an Ed25519 private key from a 32-byte WebAuthn PRF output.
 *
 * The permanent derivation contract uses the PRF output as the HMAC-SHA256
 * key. The HMAC message uses the `ox.ed25519.fromPrf.v1` domain followed by a
 * 32-bit big-endian counter set to zero.
 *
 * @example
 * ```ts twoslash
 * import { Ed25519 } from 'ox'
 *
 * const privateKey = Ed25519.fromPrf(
 *   '0x000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f'
 * )
 * ```
 *
 * @param value - A 32-byte WebAuthn PRF output.
 * @param options - Options.
 * @returns An Ed25519 private key.
 */
export declare function fromPrf<as extends 'Hex' | 'Bytes' = 'Hex'>(value: Hex.Hex | Bytes.Bytes, options?: fromPrf.Options<as>): fromPrf.ReturnType<as>;
export declare namespace fromPrf {
    type Options<as extends 'Hex' | 'Bytes' = 'Hex'> = {
        /**
         * Format of the returned private key.
         * @default 'Hex'
         */
        as?: as | 'Hex' | 'Bytes' | undefined;
    };
    type ReturnType<as extends 'Hex' | 'Bytes'> = (as extends 'Bytes' ? Bytes.Bytes : never) | (as extends 'Hex' ? Hex.Hex : never);
    type ErrorType = Bytes.concat.ErrorType | Bytes.from.ErrorType | Bytes.fromNumber.ErrorType | Hash.hmac256.ErrorType | Hex.fromBytes.ErrorType | InvalidPrfSizeError | Errors.GlobalErrorType;
}
/**
 * Derives an Ed25519 private key from a BIP-39 mnemonic.
 *
 * This is equivalent to passing `Mnemonic.toSeed(mnemonic, { passphrase })`
 * to {@link ox#Ed25519.fromSeed}.
 *
 * @example
 * ```ts twoslash
 * import { Ed25519 } from 'ox'
 *
 * const privateKey = Ed25519.fromMnemonic(
 *   'test test test test test test test test test test test junk'
 * )
 * ```
 *
 * @param mnemonic - BIP-39 mnemonic phrase.
 * @param options - Options.
 * @returns An Ed25519 private key.
 */
export declare function fromMnemonic<as extends 'Hex' | 'Bytes' = 'Hex'>(mnemonic: string, options?: fromMnemonic.Options<as>): fromMnemonic.ReturnType<as>;
export declare namespace fromMnemonic {
    type Options<as extends 'Hex' | 'Bytes' = 'Hex'> = {
        /**
         * Format of the returned private key.
         * @default 'Hex'
         */
        as?: as | 'Hex' | 'Bytes' | undefined;
        /** Optional BIP-39 passphrase. */
        passphrase?: string | undefined;
    };
    type ReturnType<as extends 'Hex' | 'Bytes'> = fromSeed.ReturnType<as>;
    type ErrorType = fromSeed.ErrorType;
}
/**
 * Derives an Ed25519 private key from a seed.
 *
 * The seed must contain at least 32 bytes of cryptographically strong key
 * material. Do not pass a password directly; use a password KDF first.
 *
 * The permanent derivation contract uses the seed as the HMAC-SHA256
 * key. The HMAC message uses the `ox.ed25519.fromSeed.v1` domain followed by a
 * 32-bit big-endian counter set to zero.
 *
 * @example
 * ```ts twoslash
 * import { Ed25519 } from 'ox'
 *
 * const privateKey = Ed25519.fromSeed(
 *   '0x000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f'
 * )
 * ```
 *
 * @param seed - Seed containing at least 32 bytes of cryptographically strong key material.
 * @param options - Options.
 * @returns An Ed25519 private key.
 */
export declare function fromSeed<as extends 'Hex' | 'Bytes' = 'Hex'>(seed: Hex.Hex | Bytes.Bytes, options?: fromSeed.Options<as>): fromSeed.ReturnType<as>;
export declare namespace fromSeed {
    type Options<as extends 'Hex' | 'Bytes' = 'Hex'> = {
        /**
         * Format of the returned private key.
         * @default 'Hex'
         */
        as?: as | 'Hex' | 'Bytes' | undefined;
    };
    type ReturnType<as extends 'Hex' | 'Bytes'> = (as extends 'Bytes' ? Bytes.Bytes : never) | (as extends 'Hex' ? Hex.Hex : never);
    type ErrorType = Bytes.from.ErrorType | Hex.fromBytes.ErrorType | keyDerivation.derive.ErrorType | InvalidSeedSizeError | Errors.GlobalErrorType;
}
/**
 * Computes the Ed25519 public key from a provided private key.
 *
 * @example
 * ```ts twoslash
 * import { Ed25519 } from 'ox'
 *
 * const publicKey = Ed25519.getPublicKey({
 *   privateKey: '0x...'
 * })
 * ```
 *
 * @param options - The options to compute the public key.
 * @returns The computed public key.
 */
export declare function getPublicKey<as extends 'Hex' | 'Bytes' = 'Hex'>(options: getPublicKey.Options<as>): getPublicKey.ReturnType<as>;
export declare namespace getPublicKey {
    type Options<as extends 'Hex' | 'Bytes' = 'Hex'> = {
        /**
         * Format of the returned public key.
         * @default 'Hex'
         */
        as?: as | 'Hex' | 'Bytes' | undefined;
        /**
         * Private key to compute the public key from.
         */
        privateKey: Hex.Hex | Bytes.Bytes;
    };
    type ReturnType<as extends 'Hex' | 'Bytes'> = (as extends 'Bytes' ? Bytes.Bytes : never) | (as extends 'Hex' ? Hex.Hex : never);
    type ErrorType = Bytes.from.ErrorType | Hex.fromBytes.ErrorType | Errors.GlobalErrorType;
}
/**
 * Generates a random Ed25519 private key.
 *
 * @example
 * ```ts twoslash
 * import { Ed25519 } from 'ox'
 *
 * const privateKey = Ed25519.randomPrivateKey()
 * ```
 *
 * @param options - The options to generate the private key.
 * @returns The generated private key.
 */
export declare function randomPrivateKey<as extends 'Hex' | 'Bytes' = 'Hex'>(options?: randomPrivateKey.Options<as>): randomPrivateKey.ReturnType<as>;
export declare namespace randomPrivateKey {
    type Options<as extends 'Hex' | 'Bytes' = 'Hex'> = {
        /**
         * Format of the returned private key.
         * @default 'Hex'
         */
        as?: as | 'Hex' | 'Bytes' | undefined;
    };
    type ReturnType<as extends 'Hex' | 'Bytes'> = (as extends 'Bytes' ? Bytes.Bytes : never) | (as extends 'Hex' ? Hex.Hex : never);
    type ErrorType = Hex.fromBytes.ErrorType | Errors.GlobalErrorType;
}
/**
 * Signs the payload with the provided private key and returns an Ed25519 signature.
 *
 * @example
 * ```ts twoslash
 * import { Ed25519 } from 'ox'
 *
 * const signature = Ed25519.sign({
 *   // [!code focus]
 *   payload: '0xdeadbeef', // [!code focus]
 *   privateKey: '0x...' // [!code focus]
 * }) // [!code focus]
 * ```
 *
 * @param options - The signing options.
 * @returns The Ed25519 signature.
 */
export declare function sign<as extends 'Hex' | 'Bytes' = 'Hex'>(options: sign.Options<as>): sign.ReturnType<as>;
export declare namespace sign {
    type Options<as extends 'Hex' | 'Bytes' = 'Hex'> = {
        /**
         * Format of the returned signature.
         * @default 'Hex'
         */
        as?: as | 'Hex' | 'Bytes' | undefined;
        /**
         * Payload to sign.
         */
        payload: Hex.Hex | Bytes.Bytes;
        /**
         * Ed25519 private key.
         */
        privateKey: Hex.Hex | Bytes.Bytes;
    };
    type ReturnType<as extends 'Hex' | 'Bytes'> = (as extends 'Bytes' ? Bytes.Bytes : never) | (as extends 'Hex' ? Hex.Hex : never);
    type ErrorType = Bytes.from.ErrorType | Hex.fromBytes.ErrorType | Errors.GlobalErrorType;
}
/**
 * Verifies a payload was signed by the provided public key.
 *
 * @example
 * ```ts twoslash
 * import { Ed25519 } from 'ox'
 *
 * const { privateKey, publicKey } = Ed25519.createKeyPair()
 * const signature = Ed25519.sign({
 *   payload: '0xdeadbeef',
 *   privateKey
 * })
 *
 * const verified = Ed25519.verify({
 *   // [!code focus]
 *   publicKey, // [!code focus]
 *   payload: '0xdeadbeef', // [!code focus]
 *   signature // [!code focus]
 * }) // [!code focus]
 * ```
 *
 * @param options - The verification options.
 * @returns Whether the payload was signed by the provided public key.
 */
export declare function verify(options: verify.Options): boolean;
export declare namespace verify {
    type Options = {
        /** Payload that was signed. */
        payload: Hex.Hex | Bytes.Bytes;
        /** Public key that signed the payload. */
        publicKey: Hex.Hex | Bytes.Bytes;
        /** Signature of the payload. */
        signature: Hex.Hex | Bytes.Bytes;
    };
    type ErrorType = Bytes.from.ErrorType | Errors.GlobalErrorType;
}
/**
 * Converts an Ed25519 public key to an X25519 public key.
 *
 * This is useful for performing X25519 Diffie-Hellman key exchange
 * using an Ed25519 signing key pair.
 *
 * @example
 * ```ts twoslash
 * import { Ed25519, X25519 } from 'ox'
 *
 * const { privateKey, publicKey } = Ed25519.createKeyPair()
 *
 * const x25519PublicKey = Ed25519.toX25519PublicKey({
 *   publicKey
 * })
 * ```
 *
 * @param options - The options.
 * @returns The X25519 public key.
 */
export declare function toX25519PublicKey<as extends 'Hex' | 'Bytes' = 'Hex'>(options: toX25519PublicKey.Options<as>): toX25519PublicKey.ReturnType<as>;
export declare namespace toX25519PublicKey {
    type Options<as extends 'Hex' | 'Bytes' = 'Hex'> = {
        /**
         * Format of the returned public key.
         * @default 'Hex'
         */
        as?: as | 'Hex' | 'Bytes' | undefined;
        /** Ed25519 public key to convert. */
        publicKey: Hex.Hex | Bytes.Bytes;
    };
    type ReturnType<as extends 'Hex' | 'Bytes'> = (as extends 'Bytes' ? Bytes.Bytes : never) | (as extends 'Hex' ? Hex.Hex : never);
    type ErrorType = Bytes.from.ErrorType | Hex.fromBytes.ErrorType | Errors.GlobalErrorType;
}
/**
 * Converts an Ed25519 private key to an X25519 private key.
 *
 * This is useful for performing X25519 Diffie-Hellman key exchange
 * using an Ed25519 signing key pair.
 *
 * @example
 * ```ts twoslash
 * import { Ed25519, X25519 } from 'ox'
 *
 * const { privateKey, publicKey } = Ed25519.createKeyPair()
 *
 * const x25519PrivateKey = Ed25519.toX25519PrivateKey({
 *   privateKey
 * })
 * ```
 *
 * @param options - The options.
 * @returns The X25519 private key.
 */
export declare function toX25519PrivateKey<as extends 'Hex' | 'Bytes' = 'Hex'>(options: toX25519PrivateKey.Options<as>): toX25519PrivateKey.ReturnType<as>;
export declare namespace toX25519PrivateKey {
    type Options<as extends 'Hex' | 'Bytes' = 'Hex'> = {
        /**
         * Format of the returned private key.
         * @default 'Hex'
         */
        as?: as | 'Hex' | 'Bytes' | undefined;
        /** Ed25519 private key to convert. */
        privateKey: Hex.Hex | Bytes.Bytes;
    };
    type ReturnType<as extends 'Hex' | 'Bytes'> = (as extends 'Bytes' ? Bytes.Bytes : never) | (as extends 'Hex' ? Hex.Hex : never);
    type ErrorType = Bytes.from.ErrorType | Hex.fromBytes.ErrorType | Errors.GlobalErrorType;
}
/** Thrown when a WebAuthn PRF output is not 32 bytes. */
export declare class InvalidPrfSizeError extends Errors.BaseError {
    readonly name = "Ed25519.InvalidPrfSizeError";
    constructor(options: InvalidPrfSizeError.Options);
}
export declare namespace InvalidPrfSizeError {
    /** Options for {@link ox#Ed25519.InvalidPrfSizeError}. */
    type Options = {
        /** Received PRF output size. */
        size: number;
    };
}
/** Thrown when a seed contains fewer than 32 bytes. */
export declare class InvalidSeedSizeError extends Errors.BaseError {
    readonly name = "Ed25519.InvalidSeedSizeError";
    constructor(options: InvalidSeedSizeError.Options);
}
export declare namespace InvalidSeedSizeError {
    /** Options for {@link ox#Ed25519.InvalidSeedSizeError}. */
    type Options = {
        /** Received seed size. */
        size: number;
    };
}
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