note papers about photo crypto auth

src/notes/research/photo_crypto_auth.md

@@ -8,3 +8,15 @@
 problem:
 
 - what about photo without signature?
+
+## literature
+
+### *P3: Toward Privacy-Preserving Photo Sharing*, Moo-Ryong Ra, Ramesh Govindan, Antonio Ortega, NSDI 13
+
+split photo into public and private part, encrypt private part
+
+### *Mitigating Image-based Misinformation Campaigns*, Calvin Ardi, Harsha V. Madhyastha
+
+proposal:
+compare photo crypto metadata time+location w/ social media post text before
+manipulative post go viral. good for news. need to balance privacy