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(Go) Generate an RSA Key and Get as Base64 DERDemonstrates how to generate a 2048-bit RSA key and return the public and private parts as unencrypted Base64 encoded DER. Note: This example requires Chilkat v11.0.0 or greater.
success := false // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. rsa := Rsa_Ref.html">chilkat.NewRsa() // Generate a 2048-bit key. privKey := PrivateKey_Ref.html">chilkat.NewPrivateKey() success = rsa.GenKey(2048,privKey) if success == false { fmt.Println(rsa.LastErrorText()) rsa.DisposeRsa() privKey.DisposePrivateKey() return } // Get the public part of the key. pubKey := PublicKey_Ref.html">chilkat.NewPublicKey() privKey.ToPublicKey(pubKey) // There are two possible formats for representing the RSA public key // in ASN.1 (DER). The possible formats are PKCS1 and PKCS8. // We can get either by setting bChoosePkcs1 to true or false. bChoosePkcs1 := true pubKeyBase64Der := pubKey.GetEncoded(bChoosePkcs1,"base64") fmt.Println("Public Key Base64 DER:") fmt.Println(*pubKeyBase64Der) // Get the private key as Base64 DER: // We can get PKCS1 or PKCS8, but with different methods: privKeyPkcs1 := privKey.GetPkcs1ENC("base64") fmt.Println("Private Key PKCS1 Base64 DER:") fmt.Println(*privKeyPkcs1) privKeyPkcs8 := privKey.GetPkcs8ENC("base64") fmt.Println("Private Key PKCS8 Base64 DER:") fmt.Println(*privKeyPkcs8) rsa.DisposeRsa() privKey.DisposePrivateKey() pubKey.DisposePublicKey() |
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