libnexa-ts/src/crypto/hash.ts

A pure and powerful Nexa SDK library.

import BufferUtils from "../utils/buffer.utils";
import ValidationUtils from "../utils/validation.utils";
import { sha256, sha512 } from '@noble/hashes/sha2.js';
import { ripemd160, sha1 } from '@noble/hashes/legacy.js';
import { hmac } from '@noble/hashes/hmac.js';

export default class Hash {

  public static sha1(buf: Uint8Array): Uint8Array {
    ValidationUtils.validateArgument(BufferUtils.isBuffer(buf), "buf", "Must be Buffer");
    return sha1(buf);
  }

  public static sha256(buf: Uint8Array): Uint8Array {
    ValidationUtils.validateArgument(BufferUtils.isBuffer(buf), "buf", "Must be Buffer");
    return sha256(buf);
  }

  public static sha512(buf: Uint8Array): Uint8Array {
    ValidationUtils.validateArgument(BufferUtils.isBuffer(buf), "buf", "Must be Buffer");
    return sha512(buf);
  }

  public static ripemd160(buf: Uint8Array): Uint8Array {
    ValidationUtils.validateArgument(BufferUtils.isBuffer(buf), "buf", "Must be Buffer");
    return ripemd160(buf);
  }

  public static sha256sha256(buf: Uint8Array): Uint8Array {
    ValidationUtils.validateArgument(BufferUtils.isBuffer(buf), "buf", "Must be Buffer");
    return this.sha256(this.sha256(buf));
  }
  
  public static sha256ripemd160(buf: Uint8Array): Uint8Array {
    ValidationUtils.validateArgument(BufferUtils.isBuffer(buf), "buf", "Must be Buffer");
    return this.ripemd160(this.sha256(buf));
  }

  public static sha256hmac(data: Uint8Array, key: Uint8Array): Uint8Array {
    return hmac(sha256, key, data);
  };
  
  public static sha512hmac(data: Uint8Array, key: Uint8Array): Uint8Array {
    return hmac(sha512, key, data);
  };
}