This repository contains a Java library with an accompanying demo server, as well as a JAAS module, to validate YubiKey OTPs (One-Time Passwords).
By default, this library uses the Yubico YubiCloud validation platform, but it can be configured for another validation server.
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Note
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For more details on how to use a YubiKey OTP library, visit developers.yubico.com/OTP. |
Add this to your pom.xml:
<dependency>
<groupId>com.yubico</groupId>
<artifactId>yubico-validation-client2</artifactId>
<version>3.0.1</version>
</dependency>// clientId and secretKey are retrieved from https://upgrade.yubico.com/getapikey
YubicoClient client = YubicoClient.getClient(clientId, secretKey);
// otp is the OTP from the YubiKey
VerificationResponse response = client.verify(otp);
assert response.isOk();After validating the OTP you should make sure that the publicId part belongs to the correct user. For example:
YubicoClient.getPublicId(otp)
.equals(/* Yubikey ID associated with the user */);For a complete example, see the demo server.
The validation client depends on slf4j-api for logging. To get the actual logs and not receive warnings on System.out you will need to depend on a slf4j logger binding, for example slf4j-log4j with the following Maven configuration:
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j</artifactId>
<version>1.6.1</version>
</dependency>
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