A randomized protocol for signing contracts
Communications of the ACM
A public key cryptosystem and a signature scheme based on discrete logarithms
Proceedings of CRYPTO 84 on Advances in cryptology
A chosen text attack on the RSA cryptosystem and some discrete logarithm schemes
Lecture notes in computer sciences; 218 on Advances in cryptology---CRYPTO 85
The knowledge complexity of interactive proof systems
SIAM Journal on Computing
A method for obtaining digital signatures and public-key cryptosystems
Communications of the ACM - Special 25th Anniversary Issue
Communications of the ACM
Private and Cheating-Free Outsourcing of Algebraic Computations
PST '08 Proceedings of the 2008 Sixth Annual Conference on Privacy, Security and Trust
Fully homomorphic encryption using ideal lattices
Proceedings of the forty-first annual ACM symposium on Theory of computing
Securely outsourcing linear algebra computations
ASIACCS '10 Proceedings of the 5th ACM Symposium on Information, Computer and Communications Security
Public-key cryptosystems based on composite degree residuosity classes
EUROCRYPT'99 Proceedings of the 17th international conference on Theory and application of cryptographic techniques
Efficient 15,360-bit RSA using woop-optimised montgomery arithmetic
Cryptography and Coding'07 Proceedings of the 11th IMA international conference on Cryptography and coding
Non-interactive verifiable computing: outsourcing computation to untrusted workers
CRYPTO'10 Proceedings of the 30th annual conference on Advances in cryptology
Fully homomorphic encryption from ring-LWE and security for key dependent messages
CRYPTO'11 Proceedings of the 31st annual conference on Advances in cryptology
(Leveled) fully homomorphic encryption without bootstrapping
Proceedings of the 3rd Innovations in Theoretical Computer Science Conference
How to securely outsource cryptographic computations
TCC'05 Proceedings of the Second international conference on Theory of Cryptography
Public key compression and modulus switching for fully homomorphic encryption over the integers
EUROCRYPT'12 Proceedings of the 31st Annual international conference on Theory and Applications of Cryptographic Techniques
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Security in clouds often focuses on preventing clients from gaining information about other clients' computations. However, cloud providers might also be a source for loss of confidentiality. We present a protocol to delegate computations into clouds with encrypted data. The protocol is based on homomorphic properties of encryption algorithms. The protocol can also be used to amend existing applications by software patches of binaries. We evaluate the protocol by a proof-of-concept implementation to investigate practicability, and discuss variants and extensions to increase the prototype's efficiency.