Are there any classical proven secure cryptographic algorithms other than OTP?
87460
What is the relation between computational security and provable security?
33680
Malleability attacks against encryption without authentication
41240
Generating a cryptographically secure, many-time use, symmetric encryption key
53043
Checking if Unlimited Cryptography is available
98404
Is there a simple hash function that one can compute without a computer?
20664
What is the lowest level of mathematics required in order to understand how encryption algorithms work?
121251
Do known-plaintext attacks exist for public key encryption?
85028
Are there any differences between PIR, oblivious transfer and differential privacy?
91313
Is there any strong enough pen-and-paper or mind cipher?
138241
Is there an encryption method where the order of decryption is irrelevant to the order of encryption?
40397
P = NP and current cryptographic systems
138517
Is there a cryptography algorithm that will remain safe if P=NP?
133867
Security proofs for CBC mode
146272
Why is double encryption that's equivalent to single encryption no better than single encryption?
93432
Secure order preserving hash function
18762
Do any (non-hardware) RNGs exist which could be used to create an OTP for crypto purposes?
98841
Is it okay to use an HMAC of the plaintext and a (possibly distinct) key as the IV for symmetric cryptography?