Function encodeBase128

packages/utils/crypto.ts:32–42

(value: number)

// Variable-length quantity encoding aka. base-128 encoding
function encodeBase128(value: number): Buffer {
  const bytes = [];
  do {
    let byte = value & 0x7f;
    value >>>= 7;
    if (bytes.length > 0)
      byte |= 0x80;
    bytes.push(byte);
  } while (value > 0);
  return Buffer.from(bytes.reverse());
}

// ASN1/DER Speficiation:   https://www.itu.int/rec/T-REC-X.680-X.693-202102-I/en
class DER {