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Profile gRPC: Define getUnversionedProfile endpoint

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This commit is contained in:
Katherine Yen
2023-08-30 14:24:43 -07:00
committed by GitHub
parent 5e221fa9a3
commit 5afc058f90
15 changed files with 786 additions and 96 deletions
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14
service/src/main/java/org/whispersystems/textsecuregcm/auth/UnidentifiedAccessChecksum.java
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@@ -9,23 +9,21 @@ import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.Base64;
import java.util.Optional;
@SuppressWarnings("OptionalUsedAsFieldOrParameterType")
public class UnidentifiedAccessChecksum {
public static String generateFor(Optional<byte[]> unidentifiedAccessKey) {
public static byte[] generateFor(byte[] unidentifiedAccessKey) {
try {
if (!unidentifiedAccessKey.isPresent()|| unidentifiedAccessKey.get().length != 16) return null;
if (unidentifiedAccessKey.length != 16) {
throw new IllegalArgumentException("Invalid UAK length: " + unidentifiedAccessKey.length);
}
Mac mac = Mac.getInstance("HmacSHA256");
mac.init(new SecretKeySpec(unidentifiedAccessKey.get(), "HmacSHA256"));
mac.init(new SecretKeySpec(unidentifiedAccessKey, "HmacSHA256"));
return Base64.getEncoder().encodeToString(mac.doFinal(new byte[32]));
return mac.doFinal(new byte[32]);
} catch (NoSuchAlgorithmException | InvalidKeyException e) {
throw new AssertionError(e);
}
}
}