Daniel Elliott
f9d20bb3fc
- 28,932 files - Full Java source code - Smali files - Resources Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
40 lines
1.4 KiB
Java
40 lines
1.4 KiB
Java
package com.facebook.ads.internal.util.common;
|
|
|
|
import android.content.pm.PackageInfo;
|
|
import android.content.pm.Signature;
|
|
import android.util.Base64;
|
|
import androidx.annotation.Nullable;
|
|
import java.security.MessageDigest;
|
|
import java.security.NoSuchAlgorithmException;
|
|
|
|
/* loaded from: classes2.dex */
|
|
public class FbValidationUtils {
|
|
public static final String DEBUG_FB_PACKAGE = "com.facebook.wakizashi";
|
|
public static final String FB4A_SHA256_HASH = "4/nh4M+Z0OVqBVumXiQbM5n3zqUkMmsM3W7BMn7Q/cE=";
|
|
public static final String FB_PACKAGE = "com.facebook.katana";
|
|
|
|
public static String getSigningCertificate(@Nullable PackageInfo packageInfo) {
|
|
if (packageInfo == null) {
|
|
return "";
|
|
}
|
|
try {
|
|
Signature[] signatureArr = packageInfo.signatures;
|
|
return signatureArr.length == 0 ? "" : calculateSHA256Fingerprint(signatureArr[0].toByteArray());
|
|
} catch (NoSuchAlgorithmException unused) {
|
|
return "";
|
|
}
|
|
}
|
|
|
|
private static String calculateSHA256Fingerprint(byte[] bArr) throws NoSuchAlgorithmException {
|
|
return Base64.encodeToString(MessageDigest.getInstance("SHA256").digest(bArr), 2);
|
|
}
|
|
|
|
public static boolean isFbSigningCertificateValid(String str) {
|
|
return isFbSigningCertificateValid(str, FB4A_SHA256_HASH);
|
|
}
|
|
|
|
public static boolean isFbSigningCertificateValid(String str, String str2) {
|
|
return str2.equals(str);
|
|
}
|
|
}
|