Accipitridae questions

Accipitridae answers

• What type of encryption to use for 48-bit to 48-bit?
• Pohlig–Hellman algorithm for computing discrete logarithms
• RSA private key encryption
• How does the receiver of a cipher text know the IV used for encryption?
• Getting N random numbers whose sum is M
• Using pen strokes with fuzzy tolerance algorithm as encryption key
• authentication token is encrypted but not signed - weakness?
• What encryption scheme meets requirement of decimal plaintext & ciphertext and preserves length?
• Bounding this program to determine the sum of reciprocal integers not containing zero
• Order-independent ciphers