rossum questions

rossum answers

• 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?
• One-to-one integer mapping function
• Is there an efficient way to generate N random integers in a range that have a given sum or average?
• I'd like to understand Java's SecureRandom object