cryptopals

module

v0.0.0-...-43498e6 Latest Latest Go to latest Published: Apr 17, 2023 License: BSD-3-Clause

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
Learn more about best practices

Repository

github.com/derat/cryptopals

Links

Open Source Insights

README ¶

Moved to https://codeberg.org/derat/cryptopals

Directories ¶

Path	Synopsis
challenges
01 command Convert hex to base64	Convert hex to base64
02 command Fixed XOR: Write a function that takes two equal-length buffers and produces their XOR combination.	Fixed XOR: Write a function that takes two equal-length buffers and produces their XOR combination.
03 command Single-byte XOR cipher	Single-byte XOR cipher
04 command Detect single-character XOR	Detect single-character XOR
05 command Implement repeating-key XOR	Implement repeating-key XOR
06 command Break repeating-key XOR	Break repeating-key XOR
07 command AES in ECB mode	AES in ECB mode
08 command Detect AES in ECB mode	Detect AES in ECB mode
09 command Implement PKCS#7 padding	Implement PKCS#7 padding
10 command Implement CBC mode	Implement CBC mode
11 command An ECB/CBC detection oracle	An ECB/CBC detection oracle
12 command Byte-at-a-time ECB decryption (Simple)	Byte-at-a-time ECB decryption (Simple)
13 command ECB cut-and-paste	ECB cut-and-paste
14 command Byte-at-a-time ECB decryption (Harder)	Byte-at-a-time ECB decryption (Harder)
15 command PKCS#7 padding validation	PKCS#7 padding validation
16 command CBC bitflipping attacks	CBC bitflipping attacks
17 command The CBC padding oracle	The CBC padding oracle
18 command Implement CTR, the stream cipher mode	Implement CTR, the stream cipher mode
19 command Break fixed-nonce CTR mode using substitutions	Break fixed-nonce CTR mode using substitutions
20 command Break fixed-nonce CTR statistically	Break fixed-nonce CTR statistically
21 command Implement the MT19937 Mersenne Twister RNG	Implement the MT19937 Mersenne Twister RNG
22 command Crack an MT19937 seed	Crack an MT19937 seed
23 command Clone an MT19937 RNG from its output	Clone an MT19937 RNG from its output
24 command Create the MT19937 stream cipher and break it	Create the MT19937 stream cipher and break it
25 command Break "random access read/write" AES CTR	Break "random access read/write" AES CTR
26 command CTR bitflipping	CTR bitflipping
27 command Recover the key from CBC with IV=Key	Recover the key from CBC with IV=Key
28 command Implement a SHA-1 keyed MAC	Implement a SHA-1 keyed MAC
29 command Break a SHA-1 keyed MAC using length extension	Break a SHA-1 keyed MAC using length extension
30 command Break an MD4 keyed MAC using length extension	Break an MD4 keyed MAC using length extension
31 command Implement and break HMAC-SHA1 with an artificial timing leak	Implement and break HMAC-SHA1 with an artificial timing leak
32 command Break HMAC-SHA1 with a slightly less artificial timing leak	Break HMAC-SHA1 with a slightly less artificial timing leak
common
md4 Package md4 implements the MD4 hash algorithm as defined in RFC 1320.	Package md4 implements the MD4 hash algorithm as defined in RFC 1320.
sha1 Package sha1 implements the SHA-1 hash algorithm as defined in RFC 3174.	Package sha1 implements the SHA-1 hash algorithm as defined in RFC 3174.

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