Add support for AES-GCM-ESP as an IPSec algorithm

Allows native AES-GCM-ESP to be used as an IPSec transport/tunnel mode
algorithm with kernel support

Bug: 63589918
Test: IPsecService tests added, existing ones pass
Change-Id: Ie1a9a902be205f269aa37bf956198f2e5b177c21
This commit is contained in:
Benedict Wong
2017-08-22 21:42:33 -07:00
parent 87d6fc04b2
commit 53d60a2d24
4 changed files with 80 additions and 5 deletions

View File

@@ -882,8 +882,14 @@ public class IpSecService extends IIpSecService.Stub {
for (int direction : DIRECTIONS) {
IpSecAlgorithm crypt = config.getEncryption(direction);
IpSecAlgorithm auth = config.getAuthentication(direction);
if (crypt == null && auth == null) {
throw new IllegalArgumentException("Encryption and Authentication are both null");
IpSecAlgorithm authenticatedEncryption = config.getAuthenticatedEncryption(direction);
if (authenticatedEncryption == null && crypt == null && auth == null) {
throw new IllegalArgumentException(
"No Encryption or Authentication algorithms specified");
} else if (authenticatedEncryption != null && (auth != null || crypt != null)) {
throw new IllegalArgumentException(
"Authenticated Encryption is mutually"
+ " exclusive with other Authentication or Encryption algorithms");
}
if (mSpiRecords.getAndCheckOwner(config.getSpiResourceId(direction)) == null) {
@@ -922,6 +928,7 @@ public class IpSecService extends IIpSecService.Stub {
for (int direction : DIRECTIONS) {
IpSecAlgorithm auth = c.getAuthentication(direction);
IpSecAlgorithm crypt = c.getEncryption(direction);
IpSecAlgorithm authCrypt = c.getAuthenticatedEncryption(direction);
spis[direction] = mSpiRecords.getAndCheckOwner(c.getSpiResourceId(direction));
int spi = spis[direction].getSpi();
@@ -942,6 +949,9 @@ public class IpSecService extends IIpSecService.Stub {
(crypt != null) ? crypt.getName() : "",
(crypt != null) ? crypt.getKey() : null,
(crypt != null) ? crypt.getTruncationLengthBits() : 0,
(authCrypt != null) ? authCrypt.getName() : "",
(authCrypt != null) ? authCrypt.getKey() : null,
(authCrypt != null) ? authCrypt.getTruncationLengthBits() : 0,
encapType,
encapLocalPort,
encapRemotePort);