OperationUnversionedVerify

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

Unsigned Verifying with Keyczar

Verify raw digest signature of a message. Both the UnversionedSigner and UnversionedVerifier classes can be used for verification. Will attempt to try all keys in keyset until one works. Returns a boolean.

Java

Inputs must be either a UTF8 message and WebSafeBase64 encoded java string or both unencoded byte arrays.

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

Python

Python will take in a string of bytes and a WebSafeBase64 encoded signature.

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

C++

C++ will take in a string and the WebSafeBase64 encoded raw signature. The Encoder can be set on the verifier to NONE for a string of bytes instead of an encoded signature.

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;
}
bool verified = signer->Verify(input, signature);
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