com.google.crypto.tink.apps.paymentmethodtoken

Class JwtKeyConverter

java.lang.Object

com.google.crypto.tink.apps.paymentmethodtoken.JwtKeyConverter

public final class JwtKeyConverter
extends Object

Functions that convert raw keys into Tink JWT Signature keys.

These functions are currently just an example, and are not (yet) part of the public API.

Method Summary

Modifier and Type	Method and Description
static com.google.crypto.tink.jwt.JwtEcdsaPublicKey	fromBase64EncodedNistP256PublicKey(String based64EncodedEcNistP256PublicKey) Converts an uncompressed Base64 encoded ECDSA public key for NIST P-256 Curve into a Tink JwtEcdsaPublicKey with algorithm ES256.
static com.google.crypto.tink.jwt.JwtEcdsaPrivateKey	fromBased64EncodedPkcs8EcNistP256PrivateKey(String based64EncodedPkcs8EcNistP256PrivateKey, com.google.crypto.tink.jwt.JwtEcdsaPublicKey publicKey, com.google.crypto.tink.SecretKeyAccess access) Converts a Base64 encoded PKCS8 ECDSA private key for NIST P-256 Curve into a Tink JwtEcdsaPrivateKey with algorithm ES256.
static String	toBase64EncodedNistP256PublicKey(com.google.crypto.tink.jwt.JwtEcdsaPublicKey publicKey) Converts a JwtEcdsaPublicKey using algorithm ES256 to an uncompressed Base64 encoded ECDSA public key for NIST P-256 Curve.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

fromBase64EncodedNistP256PublicKey

public static com.google.crypto.tink.jwt.JwtEcdsaPublicKey fromBase64EncodedNistP256PublicKey(String based64EncodedEcNistP256PublicKey)
                                                                                       throws GeneralSecurityException

Converts an uncompressed Base64 encoded ECDSA public key for NIST P-256 Curve into a Tink JwtEcdsaPublicKey with algorithm ES256.

Throws:

GeneralSecurityException

toBase64EncodedNistP256PublicKey

public static String toBase64EncodedNistP256PublicKey(com.google.crypto.tink.jwt.JwtEcdsaPublicKey publicKey)
                                               throws GeneralSecurityException

Converts a JwtEcdsaPublicKey using algorithm ES256 to an uncompressed Base64 encoded ECDSA public key for NIST P-256 Curve.

Throws:

GeneralSecurityException

fromBased64EncodedPkcs8EcNistP256PrivateKey

public static com.google.crypto.tink.jwt.JwtEcdsaPrivateKey fromBased64EncodedPkcs8EcNistP256PrivateKey(String based64EncodedPkcs8EcNistP256PrivateKey,
                                                                                                        com.google.crypto.tink.jwt.JwtEcdsaPublicKey publicKey,
                                                                                                        com.google.crypto.tink.SecretKeyAccess access)
                                                                                                 throws GeneralSecurityException

Converts a Base64 encoded PKCS8 ECDSA private key for NIST P-256 Curve into a Tink JwtEcdsaPrivateKey with algorithm ES256.

It also requires that you provide the corresponding JwtEcdsaPublicKey.

Throws:

GeneralSecurityException