rossum questions

rossum answers

• SHA512 hashing with secret key
• linux's /dev/urandom forward prediction
• Generating easy to remember numbers
• How implements ISO9797 M2 Padding in java
• Encrypt an integer to get only numeric characters in JAVA
• Is there any way or algorithm to generate unique random numbers without store?
• AES Encryption Android <-> iOS different results on message length > 15 byte
• How to find a cycle/repeats in a string?
• Converting Primitive int array to list
• Obscure / encrypt an order number as another number: symmetrical, "random" appearance?