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Code Issues Releases Wiki Activity

new keys are cross-certified

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This commit is contained in:
Ashley Hughes 2014-01-13 14:36:30 +00:00
parent 92aa5b36bb
commit 71fd7574ec
2 changed files with 13 additions and 6 deletions
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1
OpenPGP-Keychain/res/raw/help_start.html
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@ -17,7 +17,6 @@ And don't add newlines before or after p tags because of transifex -->
<ul> <ul>
<li>K9 Mail integration not published</li> <li>K9 Mail integration not published</li>
<li>Importing existing keys will be stripped of certificates right now</li> <li>Importing existing keys will be stripped of certificates right now</li>
<li>Key cross-certification is NOT supported, so signing with those keys will get a warning when the signature is checked.</li>
<li>PGP/MIME in K9 Mail is missing</li> <li>PGP/MIME in K9 Mail is missing</li>
</ul> </ul>
<p>If you want to contribute, fork it and do a pull request on Github: <a href="https://github.com/dschuermann/openpgp-keychain">https://github.com/dschuermann/openpgp-keychain</a></p> <p>If you want to contribute, fork it and do a pull request on Github: <a href="https://github.com/dschuermann/openpgp-keychain">https://github.com/dschuermann/openpgp-keychain</a></p>

16
OpenPGP-Keychain/src/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java
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@ -289,6 +289,8 @@ public class PgpKeyOperation {
updateProgress(R.string.progress_certifying_master_key, 20, 100); updateProgress(R.string.progress_certifying_master_key, 20, 100);
//TODO: if we are editing a key, keep old certs, don't remake certs we don't have to.
for (String userId : userIds) { for (String userId : userIds) {
PGPContentSignerBuilder signerBuilder = new JcaPGPContentSignerBuilder( PGPContentSignerBuilder signerBuilder = new JcaPGPContentSignerBuilder(
masterPublicKey.getAlgorithm(), HashAlgorithmTags.SHA1) masterPublicKey.getAlgorithm(), HashAlgorithmTags.SHA1)
@ -302,8 +304,6 @@ public class PgpKeyOperation {
masterPublicKey = PGPPublicKey.addCertification(masterPublicKey, userId, certification); masterPublicKey = PGPPublicKey.addCertification(masterPublicKey, userId, certification);
} }
// TODO: cross-certify the master key with every sub key (APG 1)
PGPKeyPair masterKeyPair = new PGPKeyPair(masterPublicKey, masterPrivateKey); PGPKeyPair masterKeyPair = new PGPKeyPair(masterPublicKey, masterPrivateKey);
PGPSignatureSubpacketGenerator hashedPacketsGen = new PGPSignatureSubpacketGenerator(); PGPSignatureSubpacketGenerator hashedPacketsGen = new PGPSignatureSubpacketGenerator();
@ -374,13 +374,21 @@ public class PgpKeyOperation {
usageId = keysUsages.get(i); usageId = keysUsages.get(i);
canSign = (usageId == Id.choice.usage.sign_only || usageId == Id.choice.usage.sign_and_encrypt); canSign = (usageId == Id.choice.usage.sign_only || usageId == Id.choice.usage.sign_and_encrypt);
canEncrypt = (usageId == Id.choice.usage.encrypt_only || usageId == Id.choice.usage.sign_and_encrypt); canEncrypt = (usageId == Id.choice.usage.encrypt_only || usageId == Id.choice.usage.sign_and_encrypt);
if (canSign) { if (canSign) { //TODO: ensure signing times are the same, like gpg
keyFlags |= KeyFlags.SIGN_DATA; keyFlags |= KeyFlags.SIGN_DATA;
//cross-certify signing keys
PGPContentSignerBuilder signerBuilder = new JcaPGPContentSignerBuilder(
subKey.getPublicKey().getAlgorithm(), PGPUtil.SHA1)
.setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME);
PGPSignatureGenerator sGen = new PGPSignatureGenerator(signerBuilder);
sGen.init(PGPSignature.PRIMARYKEY_BINDING, subPrivateKey);
PGPSignature certification = sGen.generateCertification(masterPublicKey, subPublicKey);
unhashedPacketsGen.setEmbeddedSignature(false, certification);
} }
if (canEncrypt) { if (canEncrypt) {
keyFlags |= KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE; keyFlags |= KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE;
} }
hashedPacketsGen.setKeyFlags(true, keyFlags); hashedPacketsGen.setKeyFlags(false, keyFlags);
// TODO: this doesn't work quite right yet (APG 1) // TODO: this doesn't work quite right yet (APG 1)
// if (keyEditor.getExpiryDate() != null) { // if (keyEditor.getExpiryDate() != null) {