Javascript must be enabled in a modern browser to use this utility.

Digest

Generate a one-way hash, or digest, for integrity validation.

512 bits

Web Crypto API

FIPS 180-4 § 6.2

Verify Digest

Digest

Secure Random Generator

A pseudo random number generator suitable for cryptographic operations is accessible in your browser via the Web Crypto API.

Random Values

UUIDv4

Encryption

Encrypt or decrypt with symmetric or asymmetric keys.

List Keys

Generate Key

Import Key

No Keys. Generate or import a key to get started.

Key Name Key Purpose Persist Save Locally Exportable Enable Key Export

Algorithm • AES Galois Counter Mode

Algorithm

Modulus Length bits Public Exponent Hash Function

Elliptic Curve

Hash Function

Key Length

Key Name Persist Save Locally Exportable Enable Key Export Algorithm

Hash Function

Elliptic Curve

RSA Algorithm Hash Function

Encoding

0 characters

Encrypt

Decrypt

Sign

Verify

Advanced Settings

Salt Length Bytes

Advanced Settings

Hash Function

Advanced Settings

Counter Value • Leave blank to generate

Counter Value

Advanced Settings

IV Value • Leave blank to generate

IV Value

Advanced Settings

Additional data to authenticate, but not encrypt IV Value • Leave blank to generate Authentication Tag Length

Additional authenticated data • Unencrypted IV Value Authentication Tag Length

Encoding

0 characters

Passwords

Hash and verify hashed passwords.

512 bits

bcrypt.js

Provos N, Maziéres D (10 June 1999)

RFC Compliance Strict Precomputed Safe Primes Hash Function Identity Passphrase

Settings used by Client & Server

RFC Compliance Strict Precomputed Safe Primes Hash Function

Client Values

Identity Passphrase

Server Values • Generated by Client during Registration • Stored in User Record

Salt • BigInt Verifier • Bigint

Settings used by Client & Server

RFC Compliance Strict Precomputed Safe Primes Hash Function

Client Values

Identity Passphrase

Values Returned by Server after client sends identity

Salt • BigInt Server Public Key B • BigInt

All cryptographic operations happen in your browser and leverage the Web Crypto API, where applicable. For functions not implemented by the Web Crypto API, care was taken to select and configure libraries to source random data securely. Audit the code.