libraries/spongycastle/pkix/src/main/java/org/spongycastle/eac/operator/EACSignatureVerifier.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

package org.spongycastle.eac.operator;

import java.io.OutputStream;

import org.spongycastle.asn1.ASN1ObjectIdentifier;

public interface EACSignatureVerifier
{
    /**
     * Return the usage OID specifying the signature type.
     *
     * @return algorithm oid.
     */
    ASN1ObjectIdentifier getUsageIdentifier();

    /**
     * Returns a stream that will accept data for the purpose of calculating
     * a signature for later verification. Use org.spongycastle.util.io.TeeOutputStream if you want to accumulate
     * the data on the fly as well.
     *
     * @return an OutputStream
     */
    OutputStream getOutputStream();

    /**
     * @param expected expected value of the signature on the data.
     * @return true if the signature verifies, false otherwise
     */
    boolean verify(byte[] expected);
}