@cronstamp/clientlib/dist/util/hash.d.ts

Client library for cronstamp, a blockchain-based document timestamping and verification service.

export type HashAlgorithm = 'SHA-256' | 'SHA-384' | 'SHA-512';
export declare const defaultAlgo: HashAlgorithm;
export declare const VersionToHashAlgorithm: {
    1: string;
};
/**
 * Hash text string and return base64 hash
 * @param message
 * @param algo
 */
export declare function hashString(message: string, algo?: HashAlgorithm): Promise<string>;
/**
 * Hash a file and return the base64 encoded hash
 * @param file
 * @param algo
 */
export declare function hashFile(file: File, algo?: HashAlgorithm): Promise<string>;
/**
 * Check the length of a base64 encoded hash
 * @param hash
 * @param algo
 */
export declare function isValidHash(hash: string, algo?: HashAlgorithm): boolean;
/**
 * Hash two hashes on the same level in the merkle tree, to result in the parent hash
 * @param hashA
 * @param hashB
 */
export declare function hashSiblingHashes(hashA: string, hashB: string): Promise<string>;
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