Tails questions

Tails answers

• HMC SHA1 hash - Java producing different hash output than C#
• High performance encrypt/decrypt in both PHP AND MySQL
• AESCrypt decryption between iOS and PHP
• How to store the key used to encrypt files
• Concurrency in Amazon S3
• How or when to follow redirected OpenIDs?
• Small footprint clock synchronization without NTP
• PHP extract link from <a> tag [duplicate]
• AES Encryption - Key versus IV