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Encryption & Cryptography

See on ruby-toolbox ↗ Libraries for encryption, decryption, hashing and key derivation

recent from @rubygems

argon2

Argon2 Password hashing binding

  • 2.3.3 Jan 10 2026 gem.coop system

argon2-kdf

Argon2 key derivation for Ruby

  • 1.0.0 Apr 04 2026 gem.coop system

attr_encrypted

Encrypt and decrypt attributes

  • 4.2.0 Jan 23 2025 gem.coop system

crypt_keeper

Transparent ActiveRecord encryption

  • 2.3.0 Dec 30 2021 gem.coop system

lockbox

Modern encryption for Ruby and Rails

  • 2.2.0 Apr 04 2026 gem.coop system

pkcs11

PKCS#11 binding for Ruby

  • 0.4.0 Apr 01 2026 gem.coop system

rbnacl

Ruby binding to the libsodium/NaCl cryptography library

  • 7.1.2 Oct 15 2024 gem.coop system

scrypt

scrypt password hashing algorithm.

  • 3.1.0 Jul 22 2025 gem.coop system

symmetric-encryption

Encrypt ActiveRecord and Mongoid attributes, files and passwords in configuration files.

  • 4.6.0 Nov 06 2022 gem.coop system

older from @rubygems

bcrypt

OpenBSD's bcrypt() password hashing algorithm.

  • 3.1.9 Oct 23 2014 gem.coop system

encrypted_strings

Dead-simple string encryption/decryption syntax

  • 0.3.3 Mar 07 2010 gem.coop system

liboqs

Ruby wrapper for Open Quantum Safe library

  • 0.1.0 Aug 13 2021 gem.coop system

miscreant

Misuse-resistant authenticated symmetric encryption

  • 0.3.0 Dec 25 2017 gem.coop system

sentry

Sentry provides painless encryption services with a wrapper around some OpenSSL classes

  • 0.5.3 Nov 04 2009 gem.coop system

strongbox

Secures ActiveRecord fields with public key encryption.

  • 0.7.3 Dec 28 2017 gem.coop system