otp 5 one-time password 4 authentication 4 mfa 4 security 4 2fa 4 typescript 3 nodejs 3 totp 3 two-factor authentication 3 token 3 authenticator 3 hotp 2 time-based one-time password 2 user authentication 2 salting 2 hashing 2 encryption 2 code 2 data protection 2 jwt 2 token-based authentication 2 component 2 input 2 passwordless authentication 2 npm-two-auth 1 npm-package 1 npm 1 crypt 1 crlf 1 federated identity 1 active directory 1 sql-injection 1 two-factor 1 xss 1 passcode 1 OTP 1 verification code 1 authentication code 1 security code 1 token validation 1 secure storage 1 audit logging 1 security monitoring 1 intrusion detection 1 vulnerability scanning 1 penetration testing 1 risk assessment 1 security policy 1 access management 1 role-based access control 1 rbac 1 least privilege principle 1 zero trust 1 adaptive authentication 1 contextual authentication 1 risk-based authentication 1 device fingerprinting 1 geolocation authentication 1 ip whitelisting 1 vpn authentication 1 saml 1 scim 1 directory services 1 ldap 1 key generation 1 cybersecurity 1 jwt authentication 1 secure passwords 1 crypto utilities 1 advanced hashing 1 secure hash 1 cryptographic security 1 password management 1 AES 1 RSA-OAEP 1 public key encryption 1 private key encryption 1 ECDSA 1 password salting 1 HMAC 1 digital signatures 1 JWE 1 public key cryptography 1 publicKey / privateKey 1 nonce 1 API security 1 hash collisions 1 hash-based message authentication 1 input validation 1 code verification 1 authentication token 1 time-based OTP 1 SMS OTP 1 email OTP 1 authenticator app 1 Google Authenticator 1 TOTP 1 HOTP 1 otp generator 1