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An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.

npmjs.org "decryption" keyword

hsencrypt 1.1.0
Encrypt and decrypt strings using handshake names and their associated keys.
9 versions - Latest release: over 2 years ago - 1 dependent package - 13 downloads last month - 8 stars on GitHub - 1 maintainer
Top 4.3% on npmjs.org
string-crypto 3.0.2
Small, simple, and secure no-dependency library to encrypt and decrypt strings using PBKDF2 for k...
11 versions - Latest release: 20 days ago - 22 dependent packages - 204 dependent repositories - 6.26 thousand downloads last month - 19 stars on GitHub - 1 maintainer
crypter-url-safe 1.0.0
URL safe JS library for encrypting and decrypting
1 version - Latest release: 11 months ago - 13 downloads last month - 0 stars on GitHub - 1 maintainer
cryptr-encoded 1.0.0
Encodes cryptr output to be url safe
1 version - Latest release: 11 months ago - 13 downloads last month - 0 stars on GitHub - 1 maintainer
crypto-middleware 1.0.8
A browser middleware for handling client side encryption prior to uploading to the cloud
7 versions - Latest release: 4 days ago - 345 downloads last month - 1 maintainer
@netapps/netapps-crypto 1.0.8 💰
pure JavaScript cryptographic library(jsrsasign) and JSON Web Token (JWT) and JSON Web Signature ...
8 versions - Latest release: about 9 years ago - 1 dependent package - 1 dependent repositories - 19 downloads last month - 3,191 stars on GitHub - 1 maintainer
integrator-jsrsasign 1.0.0 💰
opensource free pure JavaScript cryptographic library supports RSA/RSAPSS/ECDSA/DSA signing/valid...
1 version - Latest release: over 5 years ago - 2 dependent packages - 1 dependent repositories - 13 downloads last month - 3,191 stars on GitHub - 1 maintainer
node-encryption 2.0.1
This package will simplify the process of encrypting and decrypting data for your application pro...
5 versions - Latest release: about 14 hours ago - 2 dependent packages - 1 dependent repositories - 423 downloads last month - 0 stars on GitHub - 1 maintainer
Top 0.6% on npmjs.org
jsrsasign 11.1.0 💰
opensource free pure JavaScript cryptographic library supports RSA/RSAPSS/ECDSA/DSA signing/valid...
151 versions - Latest release: 3 months ago - 731 dependent packages - 8,042 dependent repositories - 1.65 million downloads last month - 3,191 stars on GitHub - 1 maintainer
Top 1.2% on npmjs.org
jsrsasign-util 1.0.5 💰
utilities for jsrsasign (kjur.github.io/jsrsasign) such like file utilities
6 versions - Latest release: about 3 years ago - 71 dependent packages - 122 dependent repositories - 48.3 thousand downloads last month - 3,191 stars on GitHub - 1 maintainer
react-native-ec-encryption 1.1.0
A hardware-backed encryption and decryption library for React Native
6 versions - Latest release: over 4 years ago - 2 dependent packages - 2 dependent repositories - 18 downloads last month - 12 stars on GitHub - 1 maintainer
crypto-gcm 0.0.9
encrypt and decrypt with AES GCM 256, different plaintext/payload encodings supported
8 versions - Latest release: over 7 years ago - 2 dependent packages - 2 dependent repositories - 77 downloads last month - 0 stars on GitHub - 1 maintainer
Top 6.5% on npmjs.org
enc 0.4.0
Encription/Decription crypto wrapper
4 versions - Latest release: over 9 years ago - 5 dependent packages - 8 dependent repositories - 238 downloads last month - 20 stars on GitHub - 3 maintainers
instacrypt 1.0.1
Tiny string encryption and comparison library with both async and sync support
2 versions - Latest release: over 5 years ago - 1 dependent package - 1 dependent repositories - 5 downloads last month - 0 stars on GitHub - 1 maintainer
easy-jose 1.0.5
Straightforward encryption/decryption utility based on node-jose by Cisco
6 versions - Latest release: about 6 years ago - 1 dependent package - 1 dependent repositories - 26 downloads last month - 0 stars on GitHub - 1 maintainer
@mongez/encryption 1.0.4
A simple package for variant encryption algorithms.
5 versions - Latest release: over 2 years ago - 4 dependent packages - 2 dependent repositories - 204 downloads last month - 0 stars on GitHub - 1 maintainer
kms-env 0.3.0
A tool for encrypting and decrypting env vars using AWS KMS
20 versions - Latest release: over 6 years ago - 1 dependent package - 1 dependent repositories - 186 downloads last month - 17 stars on GitHub - 2 maintainers
@maccman/web-auth-library 1.0.5 💰
Authentication library for the browser environment using Web Crypto API
3 versions - Latest release: 9 months ago - 7 downloads last month - 87 stars on GitHub - 1 maintainer
node-simple-socket 2.8.1
Wrapper for sockets that makes it easy to send data compressed and crypted (RSA / AES) automatic.
33 versions - Latest release: about 7 years ago - 1 dependent package - 16 dependent repositories - 82 downloads last month - 7 stars on GitHub - 1 maintainer
bit-shift-cipher 1.0.0
bit-shift vernam cipher for nodejs and the browser
1 version - Latest release: almost 5 years ago - 1 dependent package - 1 dependent repositories - 7 downloads last month - 0 stars on GitHub - 1 maintainer
ipfs-mfs-crypto 0.0.1
JavaScript implementation of the IPFS Mutable File System supporting out of the box crypto operat...
1 version - Latest release: about 5 years ago - 1 dependent package - 1 dependent repositories - 7 downloads last month - 5 stars on GitHub - 1 maintainer
json-sign-and-encrypt 1.0.0
simple json object signer
1 version - Latest release: about 7 years ago - 2 dependent packages - 1 dependent repositories - 2 downloads last month - 14 stars on GitHub - 1 maintainer
icecrypt 0.0.3
Encryption/Decryption module
3 versions - Latest release: about 2 years ago - 1 dependent package - 10 downloads last month - 1 stars on GitHub - 1 maintainer
sm-crypto-service 1.1.2
This package is an encryption and decryption service for Node.js applications. It uses the Sodium...
4 versions - Latest release: 4 months ago - 15 downloads last month - 1 maintainer
vigenere-x 1.0.1
A package to encrypt and decrypt messages using the Vigenere cipher with some extra features.
2 versions - Latest release: almost 2 years ago - 5 downloads last month - 1 stars on GitHub - 1 maintainer
warshield 3.2.0 💰
Warshield is a file encryption and decryption CLI using 3DES algorithm
22 versions - Latest release: over 2 years ago - 1 dependent repositories - 24 downloads last month - 34 stars on GitHub - 1 maintainer
cipherjs 0.1.1
Javascript implementation of simple ciphers
8 versions - Latest release: about 7 years ago - 4 dependent packages - 6 dependent repositories - 27 downloads last month - 13 stars on GitHub - 1 maintainer
@utsavgadhiya/crypto-module 1.0.5
A module for encrypting and decrypting data
5 versions - Latest release: over 3 years ago - 2 dependent packages - 9 downloads last month - 0 stars on GitHub - 1 maintainer
rabbit-cipher 1.0.1
rabbit 128bit cipher with poly1305 in javascript
2 versions - Latest release: almost 5 years ago - 2 dependent packages - 1 dependent repositories - 9 downloads last month - 2 stars on GitHub - 1 maintainer
hex-xor-cipher 1.0.0
xor cipher for shift base encrypting and decrypting hexadecimal string
1 version - Latest release: about 5 years ago - 1 dependent package - 1 dependent repositories - 9 downloads last month - 1 stars on GitHub - 1 maintainer
node-anubis-cipher 1.0.0
nodejs module for the anubis 256 bit cipher in cbc mode with optional hmac authentication.
1 version - Latest release: about 5 years ago - 1 dependent package - 1 dependent repositories - 11 downloads last month - 1 stars on GitHub - 1 maintainer
Top 8.9% on npmjs.org
nacl-stream 0.3.5
Streaming encryption based on TweetNaCl.js
8 versions - Latest release: over 6 years ago - 5 dependent packages - 10 dependent repositories - 27 downloads last month - 38 stars on GitHub - 1 maintainer
atbash-cipher 1.0.1
atbash cipher in javascript for nodejs and the browser
2 versions - Latest release: about 5 years ago - 1 dependent package - 1 dependent repositories - 9 downloads last month - 0 stars on GitHub - 1 maintainer
secure-caesar 9.0.0
secure-caesar cipher, is a symetric key cipher, based on caesar shift cipher. Enhanced with unico...
11 versions - Latest release: 7 months ago - 33 downloads last month - 1 stars on GitHub - 1 maintainer
easy-aes 1.2.2
Easy AES-256 encryption and decryption
4 versions - Latest release: over 2 years ago - 1 dependent package - 70 downloads last month - 1 stars on GitHub - 1 maintainer
hasher-apis 0.2.7
Simple and flexible implementation Crypto Module functions to hash/ encrypt/ decrypt content and ...
12 versions - Latest release: about 1 year ago - 13 dependent packages - 4 dependent repositories - 50 downloads last month - 2 stars on GitHub - 1 maintainer
basic-toolsjs 2.1.0
Any basic tool that you need is here of course. You wont need StackOverflow anymore!
11 versions - Latest release: over 2 years ago - 1 dependent package - 29 downloads last month - 1 maintainer
@melkir/crypto 1.6.0
A simple encrypt and decrypt module for node.js
7 versions - Latest release: almost 2 years ago - 1 dependent package - 7 downloads last month - 0 stars on GitHub - 1 maintainer
bungocrypt 1.0.3
bungocrypt is an encryption library for python. It's secure and key based so it will keep your da...
4 versions - Latest release: almost 2 years ago - 1 dependent package - 11 downloads last month - 0 stars on GitHub - 1 maintainer
@haydenhigg/affine 1.0.0
A small library for affine encryptions.
1 version - Latest release: about 5 years ago - 3 dependent packages - 1 dependent repositories - 4 downloads last month - 1 maintainer
n8n-nodes-gpg 0.2.1
This package contains the GPG node for n8n. It allows you to encrypt, decrypt, sign and verify fi...
4 versions - Latest release: 2 days ago - 92 downloads last month - 0 stars on GitHub - 1 maintainer
@barudakrosul/gcrypt 1.0.9 💰
A Node.js CLI tool and library simple encryption and decryption tool using PBKDF2, zlib, and AES-...
4 versions - Latest release: 3 months ago - 8 downloads last month - 1 stars on GitHub - 1 maintainer
crypt4gh_js 1.0.1
Crypt4GH Version JavaScript
2 versions - Latest release: 3 days ago - 63 downloads last month - 1 stars on GitHub - 1 maintainer
secrecy 0.0.1
Secrecy is a cryptography tool that encrypts your file with AES Cipher
2 versions - Latest release: about 5 years ago - 1 dependent repositories - 10 downloads last month - 1 stars on GitHub - 1 maintainer
gpgez 1.0.0
A wrapper for common GPG commands, cuz typing sux
2 versions - Latest release: over 8 years ago - 1 dependent package - 1 dependent repositories - 7 downloads last month - 2 stars on GitHub - 1 maintainer
Top 5.6% on npmjs.org
cordova-plugin-aes256-encryption 2.0.1
This cordova ionic plugin allows you to perform AES 256 encryption and decryption on the plain te...
10 versions - Latest release: almost 4 years ago - 2 dependent packages - 37 dependent repositories - 1.72 thousand downloads last month - 13 stars on GitHub - 6 maintainers
soft-aes-wasm 0.2.2
A Wasm Interface for AES.
3 versions - Latest release: 3 months ago - 16 downloads last month - 0 stars on GitHub - 1 maintainer
Top 9.9% on npmjs.org
@dhairyasharma/react-native-encryption 1.0.0
Encryption/Decryption for React Native
1 version - Latest release: over 2 years ago - 2 dependent packages - 2 dependent repositories - 86 downloads last month - 7 stars on GitHub - 1 maintainer
f4st_crypt 1.0.7
A NodeJS text and files encryptor/decryptor.
6 versions - Latest release: almost 4 years ago - 1 dependent package - 37 downloads last month - 0 stars on GitHub - 1 maintainer
denev 0.2.2
Encrypt and decrypt .env and others
5 versions - Latest release: about 1 year ago - 22 downloads last month - 1 stars on GitHub - 1 maintainer
@nodesuite/crypto 0.3.32
Encryption and decryption library.
70 versions - Latest release: about 1 year ago - 2 dependent packages - 77 downloads last month - 2 stars on GitHub - 1 maintainer
cryptus 2.0.0
An ultra thin crypto wrapper for encrypting and decrypting utf-8 strings
8 versions - Latest release: over 3 years ago - 1 dependent package - 2 dependent repositories - 16 downloads last month - 1 stars on GitHub - 1 maintainer
@woosttech/saferequest-encryption 1.0.1
SafeRequest encryption/decryption libraries
1 version - Latest release: over 4 years ago - 1 dependent package - 1 dependent repositories - 3 downloads last month - 8 stars on GitHub - 2 maintainers
@faizul-mustafiz/json-ed-aes 1.0.11
a simple aes-256-gcm encrypt and decrypt module for node.js
6 versions - Latest release: about 1 year ago - 2 dependent repositories - 1 downloads last month - 2 stars on GitHub - 1 maintainer
chaotic-map 0.0.8
A classe `ChaoticMap` é uma implementação em TypeScript de um utilitário de criptografia baseada ...
7 versions - Latest release: 2 months ago - 26 downloads last month - 0 stars on GitHub - 1 maintainer
@docknetwork/minimal-cipher 5.2.1
Minimal encryption/decryption JWE library.
2 versions - Latest release: about 1 year ago - 1 dependent package - 719 downloads last month - 0 stars on GitHub - 4 maintainers
crypto-utility-xid 1.0.4
A simple npm module for encrypting and decrypting messages using AES encryption.
5 versions - Latest release: 4 days ago - 320 downloads last month - 0 stars on GitHub - 1 maintainer
encrypt-uint8array 1.0.0
Encrypt and decrypt an `Uint8Array` using another `Uint8Array` as password
1 version - Latest release: over 3 years ago - 2 dependent packages - 2 dependent repositories - 140 downloads last month - 1 stars on GitHub - 1 maintainer
keylocal 0.2.0
Keep your public and secret information grounded in your browser!
15 versions - Latest release: over 3 years ago - 1 dependent package - 20 downloads last month - 10 stars on GitHub - 1 maintainer
encrypted-ticket 0.1.3
Custom ticket generation and validation util
4 versions - Latest release: about 7 years ago - 1 dependent package - 1 dependent repositories - 10 downloads last month - 0 stars on GitHub - 1 maintainer
fidelius-abdm 1.1.1
This Project Require Java Version 11 Please Do Not install java 17 it create issue in this package
3 versions - Latest release: about 1 year ago - 14 downloads last month - 1 maintainer
m925 1.0.0
A very simple encryption、decryption tool based on Node.js
1 version - Latest release: over 2 years ago - 1 dependent package - 5 downloads last month - 1 maintainer
crypt-aes 1.1.1
Cli tool to encrypt files or folders using AES
4 versions - Latest release: over 3 years ago - 1 dependent package - 575 downloads last month - 1 stars on GitHub - 1 maintainer
general-utilities 1.0.9
Supporting utility functions to help you quickly manage datetime,encryption,url,etc
8 versions - Latest release: 9 months ago - 24 downloads last month - 0 stars on GitHub - 1 maintainer
node-e2e 1.0.1
Encrypt data with RSA and AES encryption
2 versions - Latest release: over 3 years ago - 1 dependent package - 7 downloads last month - 3 stars on GitHub - 1 maintainer
encryptdecryptwithkey 1.0.8
A Node.js package for encrypting and decrypting strings using the AES-128-CTR algorithm with a cu...
5 versions - Latest release: 2 months ago - 16 downloads last month - 0 stars on GitHub - 1 maintainer
file-crypter 0.0.1
Simple tool for encrypting and decrypting files.
1 version - Latest release: over 5 years ago - 1 dependent package - 1 dependent repositories - 4 downloads last month - 1 maintainer
@talaikis/egoroof-blowfish 0.0.1
Blowfish encryption library for browsers and Node.js
1 version - Latest release: over 4 years ago - 1 dependent package - 1 dependent repositories - 3 downloads last month - 50 stars on GitHub - 1 maintainer
Top 3.2% on npmjs.org
egoroof-blowfish 4.0.1
Blowfish encryption library for browsers and Node.js
11 versions - Latest release: 11 months ago - 15 dependent packages - 79 dependent repositories - 23.7 thousand downloads last month - 50 stars on GitHub - 1 maintainer
@izzius94/crypter 0.3.1
The crypter library makes easy to share encrypted data with a Laravel project.
5 versions - Latest release: 9 months ago - 62 downloads last month - 1 stars on GitHub - 1 maintainer
@mryhryki/simple-encryption 0.0.10
Simple encryption/decryption library for Node.js/Deno/Browser.
10 versions - Latest release: 9 months ago - 323 downloads last month - 0 stars on GitHub - 1 maintainer
npm-decode 1.4.2
Easily encode and decode strings using popular encrypting methods
7 versions - Latest release: over 1 year ago - 2 dependent packages - 1 dependent repositories - 10 downloads last month - 0 stars on GitHub - 1 maintainer
node-secure-stream 0.2.0
Stream-based encryption for large amounts of data
3 versions - Latest release: over 5 years ago - 1 dependent package - 1 dependent repositories - 8 downloads last month - 1 stars on GitHub - 1 maintainer
ezcryption 1.0.4
An encryption/decryption library.
5 versions - Latest release: almost 3 years ago - 2 dependent packages - 14 downloads last month - 0 stars on GitHub - 1 maintainer
Top 10.0% on npmjs.org
mta-tea 1.0.0
Tiny Encryption Algorithm (TEA) implementation compatible with the Multi Theft Auto (MTA) Lua scr...
1 version - Latest release: over 6 years ago - 2 dependent packages - 1 dependent repositories - 66 downloads last month - 5 stars on GitHub - 1 maintainer
endcrypto 0.0.0
endpoint crypto library
1 version - Latest release: almost 4 years ago - 1 dependent package - 4 downloads last month - 0 stars on GitHub - 1 maintainer
cipher.js 1.1.2
A javascript decryption libary
5 versions - Latest release: over 7 years ago - 1 dependent package - 1 dependent repositories - 11 downloads last month - 1 maintainer
encrypted-local-storage 0.1.5
Simply use aes encrypted local storage
6 versions - Latest release: about 2 years ago - 1 dependent package - 16 downloads last month - 0 stars on GitHub - 1 maintainer
@napp/encryption 1.3.2
data encryption and decryption. node application common library
4 versions - Latest release: 5 months ago - 1 dependent package - 8 downloads last month - 0 stars on GitHub - 1 maintainer
Top 9.8% on npmjs.org
salty 4.1.3
Alternative public key encryption
55 versions - Latest release: almost 6 years ago - 1 dependent package - 3 dependent repositories - 391 downloads last month - 27 stars on GitHub - 1 maintainer
Top 8.5% on npmjs.org
rc4-cipher 1.0.0
RC4 algorithm based encryption and decryption package
1 version - Latest release: about 3 years ago - 2 dependent packages - 3 dependent repositories - 412 downloads last month - 3 stars on GitHub - 1 maintainer
secret-box 0.1.1
Encrypt and decrypt secrets.
3 versions - Latest release: almost 8 years ago - 1 dependent repositories - 1.19 thousand downloads last month - 6 stars on GitHub - 1 maintainer
crypto-flavor 1.0.4
digest password & encrypt/decrypt salt
5 versions - Latest release: about 7 years ago - 1 dependent package - 1 dependent repositories - 6 downloads last month - 1 maintainer
endcrypto-client 0.0.0
endpoint crypto client library
1 version - Latest release: almost 4 years ago - 1 dependent package - 6 downloads last month - 0 stars on GitHub - 1 maintainer
gulp-simplecrypt 0.0.1
Simplecrypt for Gulp.
2 versions - Latest release: over 10 years ago - 1 dependent package - 2 dependent repositories - 13 downloads last month - 1 stars on GitHub - 1 maintainer
@flk/crypto 1.0.0
Falak JS Encrypting and Decrypting data using crypto js.
1 version - Latest release: over 4 years ago - 2 dependent packages - 1 dependent repositories - 4 downloads last month - 1 maintainer
aes256-cli 1.0.0
[AES256 CLI]: Encrypt/Decrypt with aes256! (by iMrDJAi)
1 version - Latest release: almost 3 years ago - 1 dependent package - 5 downloads last month - 3 stars on GitHub - 1 maintainer
node-rsa-b 0.0.3
Node.js RSA library, 增加对buffer的保护, 继承于 rzcoder/node-rsa
3 versions - Latest release: almost 4 years ago - 1 dependent package - 17 downloads last month - 0 stars on GitHub - 1 maintainer
crypto-rc4 1.0.0
Javascript library for simple crypting with RC4 key sharing data over internet
1 version - Latest release: almost 9 years ago - 1 dependent package - 1 dependent repositories - 15 downloads last month - 2 stars on GitHub - 1 maintainer
vue3-encryption-plugin 1.0.8
✈️🔖🔖 pinia插件加密、实现本地数据加密解密
8 versions - Latest release: 8 months ago - 25 downloads last month - 1 maintainer
securejs 1.1.2
Easily create secure IDs, passwords, and encrypt/decrypt anything
4 versions - Latest release: almost 5 years ago - 1 dependent repositories - 13 downloads last month - 1 stars on GitHub - 1 maintainer
Top 5.5% on npmjs.org
dukpt 4.0.3
Node JS Library for Derived Unique Key Per Transaction (DUKPT) Encryption
15 versions - Latest release: almost 2 years ago - 5 dependent packages - 2 dependent repositories - 1.93 thousand downloads last month - 27 stars on GitHub - 1 maintainer
lucertula 1.0.0
Keep your public and secret information grounded in your browser!
1 version - Latest release: over 3 years ago - 1 dependent package - 7 downloads last month - 10 stars on GitHub - 1 maintainer
crypto-aes-ecb 1.2.0
A Encrypt/Decrypt AES ECB library for NodeJS.
4 versions - Latest release: over 1 year ago - 1 dependent package - 285 downloads last month - 2 stars on GitHub - 1 maintainer
@privy-io/privy-browser 0.0.3
Browser client for the Privy API
6 versions - Latest release: over 1 year ago - 2 dependent packages - 20 dependent repositories - 26 downloads last month - 18 stars on GitHub - 8 maintainers
@ubio/ac-pii-crypto 0.0.4
Encrypt/decrypt PII
4 versions - Latest release: 2 months ago - 9 downloads last month - 12 maintainers
caesar 1.1.12
An easy-to-use advanced cryptography library.
13 versions - Latest release: over 9 years ago - 2 dependent packages - 1 dependent repositories - 59 downloads last month - 21 stars on GitHub - 1 maintainer
just-encrypt-me 0.1.1
An opinionated, simplified encryption library on top of the Web Crypto API.
1 version - Latest release: about 3 years ago - 1 dependent package - 4 downloads last month - 1 stars on GitHub - 1 maintainer
rncryptor-node 0.0.2
Node.js implementation of RNCryptor
2 versions - Latest release: over 1 year ago - 1 dependent repositories - 83 downloads last month - 0 stars on GitHub - 1 maintainer
curie-cipher 0.0.7
A library for encryption and decryption, that works both for the browser and the server
3 versions - Latest release: almost 4 years ago - 2 dependent packages - 4 downloads last month - 1 stars on GitHub - 1 maintainer
Related Keywords
encryption 487 crypto 207 encrypt 114 decrypt 113 cryptography 106 cipher 85 aes 83 security 69 nodejs 62 rsa 49 javascript 49 typescript 34 node 31 password 31 crypto-utility-xid 30 hash 30 aes-256 29 secure 25 AES 25 aes256 23 tea 22 cli 22 key 20 signature 20 sign 19 verify 19 aes-256-gcm 18 privacy 17 secret 17 hashing 17 encryption-decryption 17 browser 17 web 15 react-native 14 crypt 14 sha1 14 signing 13 json 13 stream 13 file 13 md5 13 crypter 13 encode 12 decode 12 sha256 12 library 12 react 11 keys 11 pbkdf2 11 npm 10 nacl 10 assymetric 10 blowfish 10 npm-package 10 data 10 string 10 symmetric 9 RSA 9 js 9 cryptr 9 secrets 9 deno 9 pkcs1 9 hmac 9 public key 8 private key 8 decipher 8 caesar-cipher 8 passwords 8 env 8 aes-encryption 8 aes-gcm 8 verification 8 sha512 8 caesar 8 authentication 8 ecc 8 web3 8 cbc 8 storage 8 aes-256-ctr 8 e2ee 7 bcrypt 7 tweetnacl 7 hashr 7 safe 7 sodium 7 oaep 7 simple 7 gcm 7 encryption-tool 7 salt 7 streams 7 ecb 7 ios 7 text encryption 7 ecdsa 7 pss 7 gpg 6 base64 6