Problems

Note that you can solve most task in any order!
Already solved ones are at the bottom of the table.

Tagged with: cryptography - total 15 (clear filter)

Id	Title	Translations	Author	Solved	Blessing
47	Caesar Shift Cipher	SK		3450	5.87
145	Modular Exponentiation			815	8.38
66	Caesar Cipher Cracker			733	8.56
143	Extended Euclidean Algorithm			449	9.41
144	Modular Inverse			282	10.22
152	RSA Cryptography			170	11.09
168	Caesar meets BF			137	11.46
148	Public Key Cryptography Intro			141	11.41
153	Fermat goes hacking RSA			105	11.92
277	The Adventure of Morse Code		zelevin	58	12.94
132	Stream Cipher Breaking			84	12.31
243	Grille Encryption			27	14.23
295	Vigenere Cipher Cracker			13	15.44
345	Elliptic Curves Basics			8	16.21
240	Playfair Cipher Cracking			8	16.21