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 * [A Survey of Zero-Knowledge Proofs with Applications to Cryptography](http://www.austinmohr.com/work/files/zkp.pdf), great intro on original ZKP protocols.
 * 
 
+#### Homomorphic encryption
+
+* The Swiss Army Knife of Cryptography [1](https://windowsontheory.org/2012/05/01/the-swiss-army-knife-of-cryptography/) [2](https://windowsontheory.org/2012/05/02/building-the-swiss-army-knife/)
+* [] 
+
 #### Key Management
 
 * [Recommendation for Key Management – Part 1: General](http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-57pt1r4.pdf): methodologically very relevant document on goals and procedures of key management.