poncho

14,627 reputation

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	14,627 reputation	bio	website		visits	member for	1 year, 9 months
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122 Revisions

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Jul 27	revised	AES GCM symmetric encryption of data at rest in c#, ciphertext much longer than plaintext edited tags
Jul 14	revised	Is the encryption of a hash a good MAC? Fixed typo
Jul 12	revised	AES GCM implementation in c# edited tags
Jul 6	revised	I need an opinion of encryption method I thought of in High school Added cryptanalytic results
Jun 18	revised	Can I pre-define the points in Shamir's Secret Sharing algorithm added 132 characters in body
Jun 17	revised	Why Addition Mod 32? Fixed terminology, as technically addition modulo 2^{32} is not linear in any field; it is linear in a group
Jun 16	revised	Why is ciphertext from low entropy plaintext not compressible? fixed a little grammar
Jun 5	revised	Proof of work scheme with one and only one correct answer added 17 characters in body
Jun 5	revised	Proof of work scheme with one and only one correct answer added 712 characters in body
Jun 2	revised	“Signing” with public key added 28 characters in body
May 26	revised	How can encryption involve randomness? Fixed an obvious typo
May 25	revised	After implementing a novel encryption algorithm, how would one go about analyzing its security or get help from others in doing so? deleted 4 characters in body
May 15	revised	Real life collision when only using truncated hash Fixed math formatting
May 12	revised	Is XOR in a CBC-like mode secure? deleted 169 characters in body
May 11	revised	Initialization vector length insufficient in AES edited tags
Apr 22	revised	How secure is the Vigenère cipher in file encryption if you encrypt the password first? edited tags
Apr 20	revised	How to solve MixColumns Gave explicit evaluation of the example the submitter gave
Apr 19	revised	How to solve MixColumns Extended the answer to cover the next thing the OP is likely to stumble against
Apr 18	revised	How much bigger does a precomputed lookup table get when salt is added? edited body
Apr 13	revised	What are advantages of using a HMAC over RSA with SHA-1 hashes? edited body