From 2c8bcffff3d04a84e7fb51efac6b099a477a98f1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Dominik=20Sch=C3=BCrmann?= Date: Tue, 19 Aug 2014 10:37:27 +0200 Subject: [PATCH] add feature to key sig subpacket to indicate that we want MDC --- .../org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java | 3 +++ 1 file changed, 3 insertions(+) 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) {