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		3552	5.89
145	Modular Exponentiation			849	8.37
66	Caesar Cipher Cracker			773	8.54
143	Extended Euclidean Algorithm			468	9.41
144	Modular Inverse			301	10.17
152	RSA Cryptography			178	11.08
148	Public Key Cryptography Intro			150	11.38
168	Caesar meets BF			138	11.52
153	Fermat goes hacking RSA			109	11.93
277	The Adventure of Morse Code		zelevin	62	12.89
132	Stream Cipher Breaking			87	12.31
243	Grille Encryption			31	14.07
295	Vigenere Cipher Cracker			21	14.72
345	Elliptic Curves Basics			9	16.09
240	Playfair Cipher Cracking			9	16.09