import * as UCAN from '@ipld/dag-ucan';
export interface KeyExchangeKeypair {
    deriveSharedKey: (otherDID: UCAN.DID) => Promise<EncryptionKeypair>;
    encryptForDid: (data: string, otherDID: UCAN.DID) => Promise<string>;
    decryptFromDid: (data: string, otherDID: UCAN.DID) => Promise<string>;
    did: UCAN.DID;
    pubkey: () => Promise<Uint8Array>;
}
export interface EncryptionKeypair {
    encrypt: (data: string) => Promise<string>;
    decrypt: (data: string) => Promise<string>;
}
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