Include key.h in ntru.h so users only need to include ntru.h
Fix formatting
Delete redundant declarations
Move a comment to a more appropriate place
Remove an unused struct member
Remove an unused variable
Faster invertibility check
Minor optimization
Add key generation timings
Remove an unused function
Replace weird code with sane code
Remove unneeded struct keywords
Introduce NTRU_SUCCESS
Include err.h in ntru.h
Use ntru_pub_len() to determine length of public key
Replace tabs with spaces
Fix return value
Implement deterministic encryption
Add another test case
Return an int from ntru_rand_prod()