rabbitio is a rabbit stream cipher packge based on RFC 4503 for golang
rabbit is a super-fast lightweight stream cipher which uses a 128-bit key and a 64-bit initialization vector, this cipher was designed in 2003 and released in 2008
this is a mirror repository, rabbitio also lives on snix.ir public git service
simple encrypt/decrypting plain text and cipher text with rabbitio
key must be exactly 16 byte len, iv is optional but must be either zero (for nothing) or 8 byte len
you can replace "snix.ir/rabbitio" with "github.com/sina-ghaderi/rabbitio" to use github mirror repository
package main
import (
"encoding/hex"
"fmt"
"snix.ir/rabbitio"
)
func main() {
key := []byte("key-gen-rabbitio")
ivx := []byte("abcd8795")
ptx := "plain text -- dummy text to encrypt and decrypt with rabbit"
str, err := rabbitio.NewCipher(key, ivx)
if err != nil { panic(err) }
cpt := make([]byte, len(ptx))
str.XORKeyStream(cpt, []byte(ptx))
fmt.Println("cipher text ---:", hex.EncodeToString(cpt))
str, err = rabbitio.NewCipher(key, ivx)
if err != nil { panic(err) }
// decrypt cipher text and print orginal text
plx := make([]byte, len(cpt))
str.XORKeyStream(plx, cpt)
fmt.Println("plain text ----:", string(plx))
}io interfaces, reader and writer methods: working with writer
package main
import (
"bytes"
"encoding/hex"
"fmt"
"io"
"strings"
"snix.ir/rabbitio"
)
func main() {
key, ivt := []byte("12345678abcdefgh"), []byte("1234qwer")
txt := "dummy text to test NewWriterCipher"
twr := strings.NewReader(txt)
iw := new(bytes.Buffer)
cw, err := rabbitio.NewWriterCipher(key, ivt, iw)
if err != nil {
panic(err)
}
if _, err := io.Copy(cw, twr); err != nil {
panic(err)
}
fmt.Println("cipher-text:", hex.EncodeToString(iw.Bytes()))
fmt.Println("decrypting cipher text ---")
ir := new(bytes.Buffer)
cr, err := rabbitio.NewWriterCipher(key, ivt, ir)
if err != nil {
panic(err)
}
if _, err := io.Copy(cr, iw); err != nil {
panic(err)
}
fmt.Println(ir.String())
}io interfaces, reader and writer methods: working with reader
package main
import (
"bytes"
"encoding/hex"
"fmt"
"io"
"strings"
"snix.ir/rabbitio"
)
func main() {
key, ivt := []byte("12345678abcdefgh"), []byte("1234qwer")
txt := "test NewReadercipher text dummy tx"
twr := strings.NewReader(txt)
iw := new(bytes.Buffer)
cw, err := rabbitio.NewReaderCipher(key, ivt, twr)
if err != nil {
panic(err)
}
if _, err := io.Copy(iw, cw); err != nil {
panic(err)
}
fmt.Println("cipher-text:", hex.EncodeToString(iw.Bytes()))
fmt.Println("decrypting cipher text ---")
ir := new(bytes.Buffer)
cr, err := rabbitio.NewReaderCipher(key, ivt, iw)
if err != nil {
panic(err)
}
if _, err := io.Copy(ir, cr); err != nil {
panic(err)
}
fmt.Println(ir.String())
}unit test and benchmarking provided too, run go test -v or go test -bench=. -benchmem on project root directory
feel free to email me [email protected] if you want to contribute to this project
Copyright 2022 SNIX LLC [email protected] Apache License
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