Shamir Secret Sharing - Traitor

35 Points

A delta for the treasure

Author

Vozec, 5 February 2024

Level

Validations

212 Challengers 1%

Note

22 Votes

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1 Solution

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Challenge Results

Pseudo	Challenge	Lang	Date
stackant	Shamir Secret Sharing - Traitor		6 September 2026 at 01:14
GreyXor	Shamir Secret Sharing - Traitor		4 September 2026 at 10:21
AACDAI	Shamir Secret Sharing - Traitor		28 August 2026 at 02:17
undertaker	Shamir Secret Sharing - Traitor		25 August 2026 at 11:15
mike175	Shamir Secret Sharing - Traitor		21 August 2026 at 03:24
Jul802es	Shamir Secret Sharing - Traitor		20 August 2026 at 13:02
zero_finder	Shamir Secret Sharing - Traitor		16 August 2026 at 13:51
HyouKa	Shamir Secret Sharing - Traitor		3 August 2026 at 15:50
darkyak	Shamir Secret Sharing - Traitor		29 July 2026 at 18:59
taylorsimon01	Shamir Secret Sharing - Traitor		26 July 2026 at 04:55

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75 Challenges

Results	Name	Validations	Number of points	Difficulty	Author	Note	Solution	Date
	Encoding - ASCII	25% 99805	5		Xartrick		10	4 December 2012
	Encoding - UU	19% 76373	5		g0uZ		10	7 October 2006
	Hash - DCC	3% 10798	5		Podalirius		1	13 July 2021
	Hash - DCC2	3% 9824	5		Podalirius		1	13 July 2021
	Hash - LM	3% 10201	5		Podalirius		2	13 July 2021
	Hash - Message Digest 5	17% 65447	5		g0uZ		7	31 January 2010
	Hash - NT	3% 8372	5		Podalirius		2	13 July 2021
	Hash - SHA-2	9% 34750	5		koma		4	3 June 2012
	Shift cipher	6% 22808	10		m31z0nyx		10	16 February 2011
	CISCO - Salted Password	2% 6813	10		Tidusrose		3	13 July 2021
	Pixel Madness	5% 17539	15		Ryscrow		10	3 February 2011
	ELF64 - PID encryption	3% 8753	15		Lu33Y		10	8 February 2012
	File - PKZIP	4% 14539	15		g0uZ		6	30 August 2010
	Monoalphabetic substitution - Caesar	5% 18559	15		Arod		5	22 October 2011
	Circular Bit Shift	1% 2466	20		BlackRaven		3	21 March 2023
	Known plaintext - XOR	3% 10317	20		Ryscrow		5	3 February 2011
	Code - Pseudo Random Number Generator	2% 4238	20		Tosh		6	19 December 2012
	Encoding - Codebook	1% 748	20		n3rada		1	21 March 2023
	File - PKZIP 2	1% 713	20		kevin.mille		2	8 November 2024
	File - Insecure storage 1	3% 9975	20		g0uZ		7	6 February 2012
	Polyalphabetic substitution - Vigenère	3% 11347	20		Arod		3	26 October 2011
	System - Android lock pattern	2% 7505	20		Silentd		5	23 December 2012
	Transposition - Rail Fence	2% 7117	20		YellowS4		4	6 April 2014
	AES - CBC - Bit-Flipping Attack	1% 1863	25		Tie21		5	17 June 2018
	AES - ECB	1% 3068	25		cez40		4	29 November 2015
	AES - ECB - Copy Paste	1% 550	25		Vozec		1	5 February 2024
	DSA - Implementation error	1% 281	25		Vozec		1	13 December 2024
	LFSR - Known plaintext	1% 1347	25		Brissouille		2	28 November 2017
	RSA - Factorisation	2% 5668	25		HacKSpider		5	12 September 2010
	RSA - Decipher Oracle	1% 2345	25		Zweisamkeit		4	11 May 2017
	Service - Timing attack	1% 3127	25		g0uZ , koma		5	28 October 2012
	Monoalphabetic substitution - Polybe	2% 4274	25		koma		6	6 December 2011
	Twisted secret	1% 703	25		NonStandardModel		2	14 August 2020
	Initialisation Vector	1% 2531	25		manticore , notfound404		6	25 August 2015
	Hill Cipher	1% 442	30		LetMeR00t		1	21 March 2023
	GEDEFU	1% 681	30		makhno		1	13 September 2016
	OTP - Implementation error	1% 655	30		Podalirius		3	22 March 2021
	RSA - Corrupted key 1	1% 596	30		blackndoor		2	28 November 2017
	RSA - Continued fractions	1% 1748	30		sambecks		1	8 September 2015
	RSA - Common modulus	1% 2325	30		franb		3	24 December 2016
	Service - Hash length extension attack	1% 1324	30		koma		1	19 August 2015
	Shamir Secret Sharing - Introduction	1% 543	30		Vozec		2	5 February 2024
	AES - 4 Rounds	1% 480	35		Cryptanalyse		0	5 September 2018
	ECDSA - Introduction	1% 467	35		Jrmbt		2	22 September 2019
	ElGamal - Fault attack (Introduction)	1% 156	35		Vozec		0	13 December 2024
	RSA - Padding	1% 395	35		Tosh		0	9 October 2016
	RSA - Signature	1% 321	35		sar		1	9 March 2020
	Shamir Secret Sharing - Traitor	1% 212	35		Vozec		1	5 February 2024
	AES128 - CTR	1% 898	40		Tosh		2	28 August 2015
	PHP - mt_rand	1% 254	40		NonStandardModel		0	28 March 2022
	Discrete logarithm problem	1% 1512	40		RFC4949		3	8 June 2014
	RSA - Corrupted key 2	1% 421	40		blackndoor		1	11 January 2018
	RSA - Corrupted key 3	1% 286	40		blackndoor		0	5 September 2019
	RSA - Multiple recipients	1% 1851	40		franb		4	29 November 2015
	AES - Fault attack #1	1% 293	50		Cryptanalyse		1	20 September 2018
	FEAL - Differential Cryptanalysis	1% 113	50		Tosh		1	28 March 2022
	Goldreich Goldwasser Halevi \| Weak Parameter	1% 113	50		Vozec		0	13 December 2024
	Enigma Machine	1% 342	50		peyman		2	12 October 2016
	Side Channel - AES : CPA	1% 194	50		cb34		0	28 March 2022
	ECDHE	1% 347	60		Tosh		2	20 November 2016
	NTRU \| Multiple Transmission	1% 106	60		Vozec		0	13 December 2024
	NTRU \| Weak Parameter	1% 98	60		Vozec		0	13 December 2024
	RSA - H-rabin	1% 175	60		Vozec		0	21 March 2023
	RSA - Lee cooper	1% 255	60		blackndoor , Synacktiv		1	7 November 2019
	Service - CBC Padding	1% 1525	60		koma		2	4 October 2012
	Side Channel - AES : first round	1% 208	60		walafc0		0	28 March 2022
	Polyalphabetic substitution - One Time Pad	1% 488	60		Thanat0s		0	2 June 2013
	White-Box Cryptography	1% 370	60		Cryptanalyse		3	21 October 2018
	AES - Weaker variant	1% 251	70		Cryptanalyse		1	29 August 2018
	Shamir Secret Sharing - Reduction	1% 167	70		Vozec		0	5 February 2024
	Hash - SHA-3	1% 305	75		Revenger		1	10 December 2016
	AES - Fault attack #2	1% 213	80		Cryptanalyse		1	20 September 2018
	Shamir Secret Sharing - Irreducible ?	1% 128	90		Mr7F		1	5 February 2024
	AES-PMAC	1% 101	100		Cryptanalyse		0	26 May 2019
	ECDSA - Implementation error	1% 143	100		Tosh		0	29 September 2019