Add check for exporting two keys to same smart card slot.

This commit is contained in:
Joey Castillo 2015-05-13 14:29:51 -04:00
parent de2006a61f
commit bc48ce4210
3 changed files with 40 additions and 0 deletions

View File

@ -495,6 +495,8 @@ public abstract class OperationResult implements Parcelable {
MSG_MF_ERROR_SIG (LogLevel.ERROR, R.string.msg_mf_error_sig),
MSG_MF_ERROR_SUBKEY_MISSING(LogLevel.ERROR, R.string.msg_mf_error_subkey_missing),
MSG_MF_ERROR_CONFLICTING_NFC_COMMANDS(LogLevel.ERROR, R.string.msg_mf_error_conflicting_nfc_commands),
MSG_MF_ERROR_DUPLICATE_KEYTOCARD_FOR_SLOT(LogLevel.ERROR, R.string.msg_mf_error_duplicate_keytocard_for_slot),
MSG_MF_ERROR_INVALID_FLAGS_FOR_KEYTOCARD(LogLevel.ERROR, R.string.msg_mf_error_invalid_flags_for_keytocard),
MSG_MF_ERROR_BAD_NFC_ALGO(LogLevel.ERROR, R.string.edit_key_error_bad_nfc_algo),
MSG_MF_ERROR_BAD_NFC_SIZE(LogLevel.ERROR, R.string.edit_key_error_bad_nfc_size),
MSG_MF_ERROR_BAD_NFC_STRIPPED(LogLevel.ERROR, R.string.edit_key_error_bad_nfc_stripped),

View File

@ -410,6 +410,10 @@ public class PgpKeyOperation {
return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
}
// Ensure we don't have multiple keys for the same slot.
boolean hasSign = false;
boolean hasEncrypt = false;
boolean hasAuth = false;
for(SaveKeyringParcel.SubkeyChange change : saveParcel.mChangeSubKeys) {
if (change.mMoveKeyToCard) {
// If this is a keytocard operation, see if it was completed: look for a hash
@ -424,6 +428,38 @@ public class PgpKeyOperation {
change.mDummyDivert = serialNumber;
}
}
if (change.mMoveKeyToCard) {
// Pending keytocard operation. Need to make sure that we don't have multiple
// subkeys pending for the same slot.
CanonicalizedSecretKey wsK = wsKR.getSecretKey(change.mKeyId);
if ((wsK.canSign() || wsK.canCertify())) {
if (hasSign) {
log.add(LogType.MSG_MF_ERROR_DUPLICATE_KEYTOCARD_FOR_SLOT, indent + 1);
return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
} else {
hasSign = true;
}
} else if ((wsK.canEncrypt())) {
if (hasEncrypt) {
log.add(LogType.MSG_MF_ERROR_DUPLICATE_KEYTOCARD_FOR_SLOT, indent + 1);
return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
} else {
hasEncrypt = true;
}
} else if ((wsK.canAuthenticate())) {
if (hasAuth) {
log.add(LogType.MSG_MF_ERROR_DUPLICATE_KEYTOCARD_FOR_SLOT, indent + 1);
return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
} else {
hasAuth = true;
}
} else {
log.add(LogType.MSG_MF_ERROR_INVALID_FLAGS_FOR_KEYTOCARD, indent + 1);
return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
}
}
}
if (isDummy(masterSecretKey) || saveParcel.isRestrictedOnly()) {

View File

@ -929,6 +929,8 @@
<string name="msg_mf_error_sig">"Signature exception!"</string>
<string name="msg_mf_error_subkey_missing">"Tried to operate on missing subkey %s!"</string>
<string name="msg_mf_error_conflicting_nfc_commands">"Cannot move key to card in same operation that creates an on-card signature."</string>
<string name="msg_mf_error_duplicate_keytocard_for_slot">"Smart card supports only one slot per key type."</string>
<string name="msg_mf_error_invalid_flags_for_keytocard">"Inappropriate key flags for smart card key."</string>
<string name="msg_mf_master">"Modifying master certifications"</string>
<string name="msg_mf_notation_empty">"Adding empty notation packet"</string>
<string name="msg_mf_notation_pin">"Adding PIN notation packet"</string>