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envrun/vendor/github.com/Luzifer/go-openssl/README.md
Knut Ahlers 29a514441f
Vendor dependencies
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2017-03-21 14:55:49 +01:00

1.6 KiB

Luzifer / go-openssl

go-openssl is a small library wrapping the crypto/aes functions in a way the output is compatible to OpenSSL / CryptoJS. For all encryption / decryption processes AES256 is used so this library will not be able to decrypt messages generated with other than openssl aes-256-cbc. If you're using CryptoJS to process the data you also need to use AES256 on that side.

Installation

go get github.com/Luzifer/go-openssl

Usage example

The usage is quite simple as you don't need any special knowledge about OpenSSL and/or AES256:

Encrypt

import (
  "fmt"
  "github.com/Luzifer/go-openssl"
)

func main() {
  plaintext := "Hello World!"
  passphrase := "z4yH36a6zerhfE5427ZV"

  o := openssl.New()

  enc, err := o.EncryptString(passphrase, plaintext)
  if err != nil {
    fmt.Printf("An error occurred: %s\n", err)
  }

  fmt.Printf("Encrypted text: %s\n", string(enc))
}

Decrypt

import (
  "fmt"
  "github.com/Luzifer/go-openssl"
)

func main() {
  opensslEncrypted := "U2FsdGVkX19ZM5qQJGe/d5A/4pccgH+arBGTp+QnWPU="
	passphrase := "z4yH36a6zerhfE5427ZV"

	o := openssl.New()

	dec, err := o.DecryptString(passphrase, opensslEncrypted)
	if err != nil {
		fmt.Printf("An error occurred: %s\n", err)
	}

  fmt.Printf("Decrypted text: %s\n", string(dec))
}

Testing

To execute the tests for this library you need to be on a system having /bin/bash and openssl available as the compatibility of the output is tested directly against the openssl binary. The library itself should be usable on all operating systems supported by Go and crypto/aes.