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Code Issues Releases Wiki Activity

move stuff around, save work

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This commit is contained in:
Ashley Hughes 2014-03-23 23:41:08 +00:00
parent fdb013a052
commit fcc7117770
1 changed files with 61 additions and 59 deletions
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120
OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java
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@ -497,12 +497,69 @@ public class PgpKeyOperation {
for (int i = 0; i < saveParcel.keys.size(); ++i) {
updateProgress(40 + 50 * (i - 1) / (saveParcel.keys.size() - 1), 100);
if (saveParcel.moddedKeys[i]) {
//to make public key, use a keygen and temp.publickeyring?
PGPSecretKey subKey = saveParcel.keys.get(i);
PGPPublicKey subPublicKey = subKey.getPublicKey();
PBESecretKeyDecryptor keyDecryptor2;
if (saveParcel.newKeys[i]) {
keyDecryptor2 = new JcePBESecretKeyDecryptorBuilder()
.setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME).build(
"".toCharArray());
} else {
keyDecryptor2 = new JcePBESecretKeyDecryptorBuilder()
.setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME).build(
saveParcel.oldPassPhrase.toCharArray());
}
PGPPrivateKey subPrivateKey = subKey.extractPrivateKey(keyDecryptor2);
// TODO: now used without algorithm and creation time?! (APG 1)
PGPKeyPair subKeyPair = new PGPKeyPair(subPublicKey, subPrivateKey);
hashedPacketsGen = new PGPSignatureSubpacketGenerator();
unhashedPacketsGen = new PGPSignatureSubpacketGenerator();
usageId = saveParcel.keysUsages.get(i);
canSign = (usageId & KeyFlags.SIGN_DATA) > 0; //todo - separate function for this
if (canSign) {
Date todayDate = new Date(); //both sig times the same
// cross-certify signing keys
hashedPacketsGen.setSignatureCreationTime(false, todayDate); //set outer creation time
PGPSignatureSubpacketGenerator subHashedPacketsGen = new PGPSignatureSubpacketGenerator();
subHashedPacketsGen.setSignatureCreationTime(false, todayDate); //set inner creation time
PGPContentSignerBuilder signerBuilder = new JcaPGPContentSignerBuilder(
subPublicKey.getAlgorithm(), PGPUtil.SHA1)
.setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME);
PGPSignatureGenerator sGen = new PGPSignatureGenerator(signerBuilder);
sGen.init(PGPSignature.PRIMARYKEY_BINDING, subPrivateKey);
sGen.setHashedSubpackets(subHashedPacketsGen.generate());
PGPSignature certification = sGen.generateCertification(masterPublicKey,
subPublicKey);
unhashedPacketsGen.setEmbeddedSignature(false, certification);
}
hashedPacketsGen.setKeyFlags(false, usageId);
if (saveParcel.keysExpiryDates.get(i) != null) {
GregorianCalendar creationDate = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
creationDate.setTime(subPublicKey.getCreationTime());
GregorianCalendar expiryDate = saveParcel.keysExpiryDates.get(i);
//note that the below, (a/c) - (b/c) is *not* the same as (a - b) /c
//here we purposefully ignore partial days in each date - long type has no fractional part!
long numDays = (expiryDate.getTimeInMillis() / 86400000) - (creationDate.getTimeInMillis() / 86400000);
if (numDays <= 0)
throw new PgpGeneralException(mContext.getString(R.string.error_expiry_must_come_after_creation));
hashedPacketsGen.setKeyExpirationTime(false, numDays * 86400);
} else {
hashedPacketsGen.setKeyExpirationTime(false, 0); //do this explicitly, although since we're rebuilding,
//this happens anyway
}
keyGen.addSubKey(subKeyPair, hashedPacketsGen.generate(), unhashedPacketsGen.generate());
//discard only certain certs
//secretkey.replacepublickey with updated public key
//secretkeyring.insertsecretkey with newly signed secret key
} else {
//else nothing, right?
}
if (saveParcel.newKeys[i]) {
if (saveParcel.newKeys[i]) { //might not be necessary
//set the passphrase to the old one, so we can update the whole keyring passphrase later
PBESecretKeyEncryptor keyEncryptorOld = new JcePBESecretKeyEncryptorBuilder(
PGPEncryptedData.CAST5, sha1Calc)
@ -520,61 +577,6 @@ public class PgpKeyOperation {
}
updateProgress(R.string.progress_adding_sub_keys, 40, 100);
for (int i = 1; i < saveParcel.keys.size(); ++i) {
updateProgress(40 + 50 * (i - 1) / (saveParcel.keys.size() - 1), 100);
PGPSecretKey subKey = saveParcel.keys.get(i);
PGPPublicKey subPublicKey = subKey.getPublicKey();
PBESecretKeyDecryptor keyDecryptor2 = new JcePBESecretKeyDecryptorBuilder()
.setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME).build(
saveParcel.oldPassPhrase.toCharArray());
PGPPrivateKey subPrivateKey = subKey.extractPrivateKey(keyDecryptor2);
// TODO: now used without algorithm and creation time?! (APG 1)
PGPKeyPair subKeyPair = new PGPKeyPair(subPublicKey, subPrivateKey);
hashedPacketsGen = new PGPSignatureSubpacketGenerator();
unhashedPacketsGen = new PGPSignatureSubpacketGenerator();
usageId = saveParcel.keysUsages.get(i);
canSign = (usageId & KeyFlags.SIGN_DATA) > 0; //todo - separate function for this
if (canSign) {
Date todayDate = new Date(); //both sig times the same
// cross-certify signing keys
hashedPacketsGen.setSignatureCreationTime(false, todayDate); //set outer creation time
PGPSignatureSubpacketGenerator subHashedPacketsGen = new PGPSignatureSubpacketGenerator();
subHashedPacketsGen.setSignatureCreationTime(false, todayDate); //set inner creation time
PGPContentSignerBuilder signerBuilder = new JcaPGPContentSignerBuilder(
subPublicKey.getAlgorithm(), PGPUtil.SHA1)
.setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME);
PGPSignatureGenerator sGen = new PGPSignatureGenerator(signerBuilder);
sGen.init(PGPSignature.PRIMARYKEY_BINDING, subPrivateKey);
sGen.setHashedSubpackets(subHashedPacketsGen.generate());
PGPSignature certification = sGen.generateCertification(masterPublicKey,
subPublicKey);
unhashedPacketsGen.setEmbeddedSignature(false, certification);
}
hashedPacketsGen.setKeyFlags(false, usageId);
if (saveParcel.keysExpiryDates.get(i) != null) {
GregorianCalendar creationDate = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
creationDate.setTime(subPublicKey.getCreationTime());
GregorianCalendar expiryDate = saveParcel.keysExpiryDates.get(i);
//note that the below, (a/c) - (b/c) is *not* the same as (a - b) /c
//here we purposefully ignore partial days in each date - long type has no fractional part!
long numDays = (expiryDate.getTimeInMillis() / 86400000) - (creationDate.getTimeInMillis() / 86400000);
if (numDays <= 0)
throw new PgpGeneralException(mContext.getString(R.string.error_expiry_must_come_after_creation));
hashedPacketsGen.setKeyExpirationTime(false, numDays * 86400);
} else {
hashedPacketsGen.setKeyExpirationTime(false, 0); //do this explicitly, although since we're rebuilding,
//this happens anyway
}
keyGen.addSubKey(subKeyPair, hashedPacketsGen.generate(), unhashedPacketsGen.generate());
}
//update the passphrase
mKR = PGPSecretKeyRing.copyWithNewPassword(mKR, keyDecryptor, keyEncryptor);
updateProgress(R.string.progress_saving_key_ring, 90, 100);