OperationUnversionedSign

Shawn Willden edited this page Mar 7, 2015 · 1 revision

Unversioned Signing with Keyczar

Generate raw digest signature of a message without OutputHeader for use with other applications outside of Keyczar or for use with Unversioned Verification.

Java

Java will either sign the message as a WebSafeBase64 if input as a java string or will not do any encoding if passed in as a byte string. A byte string will be returned if a byte string is input and a WebSafeBase64 java string will be returned if a java string is input.

Signer signer = new UnversionedSigner("/path/to/your/keys");
String signature = signer.sign("Message with Integrity");

Python

Python will take in a string of bytes and return a WebSafeBase64 encoded SignatureFormat value. There are no options for other encodings.

signer = UnversionedSigner.Read("/path/to/your/keys")
signature = signer.Sign("Message with Integrity")

C++

C++ will take in a string and return the WebSafeBase64 encoded SignatureFormat value. The Encoder can be set on the signer to None if no encoding is required.

std::string input, signature;
input = "Message with Integrity";
keyczar::Keyczar* signer =
    keyczar::UnversionedSigner::Read("/path/to/your/keys");
if (!signer ||
    !signer->Sign(input, &signature)) {
  return 1;
}
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