diff options
Diffstat (limited to 'src/main/java/org/whispersystems/libaxolotl/kdf/DerivedRootSecrets.java')
-rw-r--r-- | src/main/java/org/whispersystems/libaxolotl/kdf/DerivedRootSecrets.java | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/main/java/org/whispersystems/libaxolotl/kdf/DerivedRootSecrets.java b/src/main/java/org/whispersystems/libaxolotl/kdf/DerivedRootSecrets.java new file mode 100644 index 00000000..82cc541d --- /dev/null +++ b/src/main/java/org/whispersystems/libaxolotl/kdf/DerivedRootSecrets.java @@ -0,0 +1,26 @@ +package org.whispersystems.libaxolotl.kdf; + +import org.whispersystems.libaxolotl.util.ByteUtil; + +public class DerivedRootSecrets { + + public static final int SIZE = 64; + + private final byte[] rootKey; + private final byte[] chainKey; + + public DerivedRootSecrets(byte[] okm) { + byte[][] keys = ByteUtil.split(okm, 32, 32); + this.rootKey = keys[0]; + this.chainKey = keys[1]; + } + + public byte[] getRootKey() { + return rootKey; + } + + public byte[] getChainKey() { + return chainKey; + } + +} |