Replaced AES-OFB with AES-CTR, replaced Whirlpool with SHA-512, changed group key generation technique.
Replaced AES-OFB with AES-CTR, replaced Whirlpool with SHA-512, changed group key generation technique.

b4zz4/Barricada,Cryptodog/cryptocat,b4zz4/Barricada,DoNotUseThisCodeJUSTFORKS/cryptocat,PeterDaveHello/cryptocat,PeterDaveHello/cryptocat,Raynes/cryptocat,wakermahmud/cryptocat,DoNotUseThisCodeJUSTFORKS/cryptocat,DGO143/cryptocat,Raynes/cryptocat,DoNotUseThisCodeJUSTFORKS/cryptocat,arno01/cryptocat,Cryptodog/cryptocat,wakermahmud/cryptocat,Raynes/cryptocat,DGO143/cryptocat,b4zz4/Barricada,arno01/cryptocat,DGO143/cryptocat,b4zz4/Barricada