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fgrieu ♦

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108,147

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random-number-generator

484/400 score

79/80 answers

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780 posts edited

45 helpful flags

6,620 votes cast

Answers (1,705)

Votes Activity Newest

147	How big an RSA key is considered secure today?
124	If WhatsApp cannot read our message, how can the media forwarding happen in an instant?
64	How can I make sure non-open source programs are really using end-to-end encryption?
61	Impacts of not using RSA exponent of 65537
58	Is the software that uses PGP broken, or is it PGP itself?

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Reputation (108,147)

+10	Actual RSA encryption & decryption of strings?
+20	What use is the signature without the message under RSA?
+10	Cycles in SHA-256
+15	Textbook RSA signature forgery when e=65537

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Questions (151)

Votes Activity Newest

49	What security authorities and standards reject $e=3$ in RSA, when, and with what rationale?
48	How is the Swiss post e-voting system supposed to work, and how was it wrong?
39	What is “Fast Prime”?
33	Who first published the interest of more than two prime factors in RSA?
31	Applicability of IBM's projected 50-qubit quantum computer Q to cryptanalysis?

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Tags (320)

2k rsa × 360	583 cryptanalysis × 112
1k encryption × 266	484 random-number-generator × 85
1k hash × 252	456 signature × 105
979 public-key × 160	448 collision-resistance × 73
688 aes × 141	435 sha-256 × 65

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Bookmarks (94)

Votes Activity Newest Views Added

49	What security authorities and standards reject $e=3$ in RSA, when, and with what rationale?
33	Who first published the interest of more than two prime factors in RSA?
31	Hardness of finding mutual discrete logarithms of small generators in $\mathbb{Z}_p$
23	Selective format-compliant JPEG encryption?
21	Is there a hash function which has no collisions?

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Accounts (46)

	Cryptography♦	108,147 rep	9 gold badges227 silver badges458 bronze badges
	Stack Overflow	2,457 rep	1 gold badge17 silver badges44 bronze badges
	Mathematics	1,358 rep	9 silver badges23 bronze badges
	Skeptics	1,004 rep	2 gold badges8 silver badges12 bronze badges
	Electrical Engineering	879 rep	2 gold badges9 silver badges19 bronze badges

Badges (113)

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Announcer × 54	Synonymizer
Enlightened × 91	Lifejacket × 2
Nice Answer × 201	authentication
Popular Question × 43	Revival × 35
Necromancer × 27	Good Answer × 39

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Active bounty (1)

Active Offered Earned

+500	How many additions modulo $2^k$ and multiplications in $\mathbb F_{2^k}$ to resist cryptanalysis?

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Votes cast (6,620)

all time			by type			month		week		day
5,592	up		2,713	question		28		8		2
1,028	down		3,907	answer		28		8		2

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