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Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java')
-rw-r--r--OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java3
1 files changed, 3 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java
index c6c064a25..7dedcb242 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java
@@ -22,6 +22,7 @@ import org.spongycastle.bcpg.CompressionAlgorithmTags;
import org.spongycastle.bcpg.HashAlgorithmTags;
import org.spongycastle.bcpg.PublicKeyAlgorithmTags;
import org.spongycastle.bcpg.SymmetricKeyAlgorithmTags;
+import org.spongycastle.bcpg.sig.Features;
import org.spongycastle.bcpg.sig.KeyFlags;
import org.spongycastle.jce.spec.ElGamalParameterSpec;
import org.spongycastle.openpgp.PGPEncryptedData;
@@ -894,6 +895,8 @@ public class PgpKeyOperation {
hashedPacketsGen.setPreferredSymmetricAlgorithms(true, PREFERRED_SYMMETRIC_ALGORITHMS);
hashedPacketsGen.setPreferredHashAlgorithms(true, PREFERRED_HASH_ALGORITHMS);
hashedPacketsGen.setPreferredCompressionAlgorithms(true, PREFERRED_COMPRESSION_ALGORITHMS);
+ // Request senders add additional checksums to the message (useful when verifying unsigned messages.)
+ hashedPacketsGen.setFeature(true, Features.FEATURE_MODIFICATION_DETECTION);
hashedPacketsGen.setPrimaryUserID(false, primary);
hashedPacketsGen.setKeyFlags(false, flags);
if (expiry > 0) {