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		3528	5.89
145	Modular Exponentiation			842	8.38
66	Caesar Cipher Cracker			766	8.54
143	Extended Euclidean Algorithm			466	9.41
144	Modular Inverse			298	10.18
152	RSA Cryptography			175	11.10
148	Public Key Cryptography Intro			147	11.40
168	Caesar meets BF			137	11.52
153	Fermat goes hacking RSA			108	11.93
277	The Adventure of Morse Code		zelevin	62	12.89
132	Stream Cipher Breaking			87	12.31
243	Grille Encryption			31	14.06
295	Vigenere Cipher Cracker			21	14.71
345	Elliptic Curves Basics			9	16.08
240	Playfair Cipher Cracking			9	16.08