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README.md

RNCryptor-go

Go implementation of RNCryptor.

What is RNCryptor?

RNCryptor is a data format specificiation for AES encryption, with AES-256, random-salted PBKDF2, AES-CBC, random IV, and HMAC. It has implementations in several languages.

You can head over to the RNCryptor website for more information, or checkout the GitHub Organization for implementations in other languages.

Installation

go get github.com/RNCryptor/RNCryptor-go

Example

package main

import(
  "fmt"
  "github.com/RNCryptor/RNCryptor-go"
)

func main() {
  pass := "test"
  data := []byte("hello world")

  fmt.Printf("source: %v\n", string(data))

  encrypted, _ := rncryptor.Encrypt(pass, data)
  fmt.Printf("encrypted: %v\n", string(encrypted))

  // if you need to send the encrypted data across
  // the wire, you'll probably want to call
  // `base64.StdEncoding.EncodeToString(encrypted)`
  // to base64 the data rather than transmiting raw bytes

  decrypted, _ := rncryptor.Decrypt(pass, encrypted)
  fmt.Printf("decrypted: %v\n", string(decrypted))
}

API

Encrypt(password string, data []byte) ([]byte, error)

Encrypts data using password. Automatically handles salting, iv-generation, and hmac signing. Returns the decrypted data, or an error, if encryption was unsuccessful.

  • Password must be at least 1 character long.
encrypted, err := rncryptor.Encrypt("securepassword", []byte("bytes to encrypt"))
if err != nil {
  log.Printf("error encrypting data: %v", err)
}

// from here, you can encode `encrypted` however you want
// base64.StdEncoding.EncodeToString(encrypted)

Decrypt(password string, data []byte) ([]byte, error)

Decrypts data using password. Returns un-encrypted data, or an error if decryption is unsuccessful (e.g. password mismatch).

  • Password must match the password used during encryption
// if the encrypted data has been encoded, you'll need to decode it first
// base64.StdEncoding.DecodeString("base64data")

decrypted, err := rncryptor.Decrypt("securepassword", []byte("encrypted bytes"))
if err != nil {
  log.Printf("error decrypting data: %v", err)
}

Notes

If you'd like to help with any of the items below, send a pull-request!

Contributing

Please read over GitHub's guide on contributing if you'd like to lend a hand!

Credits

Thanks to Rob Napier and the maintainers of the various RNCryptor implementations for all their hard work!

About

Go implementation of RNCryptor

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