src/android/Security.java
public static boolean verifyPurchase(String base64PublicKey, String signedData, String signature) {
        if (TextUtils.isEmpty(signedData) || TextUtils.isEmpty(base64PublicKey) ||
                TextUtils.isEmpty(signature)) {
            Log.e(TAG, "Purchase verification failed: missing data.");
            return false;
        }

        PublicKey key = Security.generatePublicKey(base64PublicKey);
        return Security.verify(key, signedData, signature);
    }
/**
     * Verifies that the data was signed with the given signature, and returns
     * the verified purchase. The data is in JSON format and signed
     * with a private key. The data also contains the {@link PurchaseState}
     * and product ID of the purchase.
     *
     * @param base64PublicKey the base64-encoded public key to use for verifying.
     * @param signedData      the signed JSON string (signed, not encrypted)
     * @param signature       the signature for the data, signed with the private key
     */
Verifies that the data was signed with the given signature, and returns
the verified purchase. The data is in JSON format and signed
with a private key. The data also contains the  PurchaseState
and product ID of the purchase.

@param base64PublicKey the base64-encoded public key to use for verifying.
@param signedData      the signed JSON string (signed, not encrypted)
@param signature       the signature for the data, signed with the private key
Verifies that the data was signed with the given signature and returns the verified purchase . The data is in JSON format and signed with a private key . The data also contains the PurchaseState and product ID of the purchase . @param base64PublicKey the base64 - encoded public key to use for verifying . @param signedData the signed JSON string ( signed not encrypted ) @param signature the signature for the data signed with the private key
public static boolean verifyPurchase(String base64PublicKey, String signedData, String signature) {
        if (TextUtils.isEmpty(signedData) || TextUtils.isEmpty(base64PublicKey) ||
                TextUtils.isEmpty(signature)) {
            Log.e(TAG, "Purchase verification failed: missing data.");
            return false;
        }
        PublicKey key = Security.generatePublicKey(base64PublicKey);
        return Security.verify(key, signedData, signature);
    }
public static boolean verifyPurchase ( String base64PublicKey , String signedData , String signature ) { if ( TextUtils . isEmpty ( signedData ) || TextUtils . isEmpty ( base64PublicKey ) || TextUtils . isEmpty ( signature ) ) { Log . e ( TAG , "Purchase verification failed: missing data." ) ; return false ; } PublicKey key = Security . generatePublicKey ( base64PublicKey ) ; return Security . verify ( key , signedData , signature ) ; }
Verifies that the data was signed with the given signature, and returns
 the verified purchase.
Verifies that the data was signed with the given signature and returns the verified purchase .