Am 13.09.19 um 13:27 schrieb Markus Obermann:
> Hey all,
> im using JMeter 5.0 with JRE 9.0.2.
> I have a ECDSA Private Key on my disk and want to sign some file on my disk
> too.My priv. key looks like this:
> -----BEGIN EC PARAMETERS-----
> BgUrgQQACg==
> -----END EC PARAMETERS-----
> -----BEGIN EC PRIVATE KEY-----
> MHQCAQEEIDzESrZFmTaOozu2NyiS8LMZGqkHfpSOoI/qA9Lw+d4NoAcGBSuBBAAK
> oUQDQgAE7kIqoSQzC/UUXdFdQ9Xvu1Lri7pFfd7xDbQWhSqHaDtj+XY36Z1Cznun
> GDxlA0AavdVDuoGXxNQPIed3FxPE3Q==
> -----END EC PRIVATE KEY-----
> note:this is of course not a real key. its just what my file looks like if i
> view it with vi.
>
> I found this lil code snippet.
> File privkeyfile = new File(path_to_privkey_file);File datafile = new
> File(path_to_datafile);
> FileInputStream fis = new FileInputStream(f);
> DataInputStream dis = new DataInputStream(fis);
> byte[] keyBytes = new byte[(int) privkeyfile.length()];
> dis.readFully(keyBytes);
> dis.close();
> PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(keyBytes);
> KeyFactory kf = KeyFactory.getInstance("ECDSA");PrivateKey privateKey =
> factory.generatePrivate(spec);
> Well the next step would be to sign my file with my private key and then
> encode it base64.
> I though of doing it like this:
>
> Signature ecdsaSign = Signature.getInstance("SHA256withECDSA");
> ecdsaSign.initSign(privateKey);
> ecdsaSign.update(plaintext.getBytes("UTF-8"));
> byte[] signature = ecdsaSign.sign();
> String pub = Base64.getEncoder().encodeToString(publicKey.getEncoded());
> String sig = Base64.getEncoder().encodeToString(signature);
>
> But in BeanShell i will get the Error: "Typed variable declaration: Method
> Invocation KeyFactory.getInstance"
> Any ideas?
I would try and use a JSR 223 Sampler with groovy instead of BeanShell.
BeanShell is getting old and has problems with newer Java features.
Groovy has nice syntactic sugar and is fast enough for most settings.
Regards
Felix
>
> P.S.
> ofc i do have imported the java.security.KeyFactory; and PKCS8EncodedKeySpec.
>
>
>
>
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