Started to play around with js crypto code

test.js implements the basic functionality
(recommand to load it in v8 (d8 test.js --shell)

1 files changed, 28 insertions, 0 deletions

diff --git a/crypto/crypto.py b/crypto/crypto.py
new file mode 100644
index 0000000..f99001f
--- /dev/null
+++ b/crypto/crypto.py
@@ -0,0 +1,28 @@
+from keyczar import keys
+import ssh_rsa_key_util
+
+if __name__ == '__main__' :
+    #load asymmetric keys for 2 users. user1 key is generated,
+    #while user2 key is loaded from disk
+    keyuser1 = keys.RsaPrivateKey.Generate()
+    keyuser1public = keyuser1.public_key
+    ssh_keys_directory = '/home/guillaume/.ssh/'
+    keyuser2 = ssh_rsa_key_util.SshRsaPrivateKey.Read(ssh_keys_directory + 'id_rsa')
+    keyuser2public = keyuser2.public_key
+    
+    #symmetric key to encrypt the data
+    key = keys.AesKey.Generate()
+    #encrypt symmetric key for user 1 and 2
+    key1 = keyuser1public.Encrypt(key.key_string)
+    key2 = keyuser2public.Encrypt(key.key_string)
+    
+    msg = 'Guillaume is a genius!'
+    secretmsg = key.Encrypt(msg)
+    
+    #msg decoded by user 1
+    newkey1 = keys.AesKey(keyuser1.Decrypt(key1), key.hmac_key)
+    print newkey1.Decrypt(secretmsg)
+    
+    #msg decoded by user 2
+    newkey2 = keys.AesKey(keyuser1.Decrypt(key1), key.hmac_key)
+    print newkey2.Decrypt(secretmsg)