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// Copyright © 2022 siddharth ravikumar <s@ricketyspace.net>
// SPDX-License-Identifier: ISC
package challenge
import (
"fmt"
"ricketyspace.net/cryptopals/lib"
)
func C39() {
rsa, err := lib.RSAGenKey()
if err != nil {
fmt.Printf("gen key failed: %v", err)
return
}
msg := []byte("42")
enc := rsa.Public.Encrypt(msg)
if len(enc) < 1 {
fmt.Printf("encrypt failed: %v", enc)
return
}
dec := rsa.Private.Decrypt(enc)
if !lib.BytesEqual(msg, dec) {
fmt.Printf("decrypt failed: %v", dec)
return
}
msg = []byte("0x42")
enc = rsa.Public.Encrypt(msg)
if len(enc) < 1 {
fmt.Printf("encrypt failed: %v", enc)
return
}
dec = rsa.Private.Decrypt(enc)
if !lib.BytesEqual(msg, dec) {
fmt.Printf("decrypt failed: %v", dec)
return
}
msg = []byte("68f13a29c10617c2c87cccb8db2d40ba05191f75f5a08978e84d829a543fa933")
enc = rsa.Public.Encrypt(msg)
if len(enc) < 1 {
fmt.Printf("encrypt failed: %v", enc)
return
}
dec = rsa.Private.Decrypt(enc)
if !lib.BytesEqual(msg, dec) {
fmt.Printf("decrypt failed: %v", dec)
return
}
}
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