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* lib: aes: add InvMixColumnsrsiddharth2020-11-221-0/+19
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* lib: gf: fix GFMultiplyrsiddharth2020-11-221-2/+2
| | | | | The logXPlusOneOf[a] + logXPlusOneOf[b] addition can go over 255, so make it a uint16 addition.
* lib: aes: add InvSubBytesrsiddharth2020-11-211-0/+33
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* lib: aes: add InvShiftRowsrsiddharth2020-11-211-0/+13
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* lib: aes: add AddRoundKeyrsiddharth2020-11-171-0/+24
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* lib: update MkState docstringrsiddharth2020-11-171-1/+1
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* lib: add MkStatersiddharth2020-11-161-0/+17
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* lib/aes.go: fix KeyExpansion docstringrsiddharth2020-11-161-1/+1
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* lib/aes.go: add KeyExpansionrsiddharth2020-11-141-0/+97
| | | | Written while listening to Neil Young's Decade.
* lib: add BytesToHexStrrsiddharth2020-11-141-0/+9
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* lib: add GFMultiplyrsiddharth2020-11-081-0/+128
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* lib: AlphaScore -> AlphaPunchScorersiddharth2020-09-061-1/+1
| | | | | * lib/str.go (AlphaScore): Rename to... (AlphaPunchScore): ...this.
* lib: isAlpha -> isAlphaPunchrsiddharth2020-09-061-2/+3
| | | | | | * lib/str.go (isAlpha): Rename to... (isAlphaPunch): ...this. (AlphaScore): change isAlpha call to isAlphaPunch call.
* lib: remove genKeyrsiddharth2020-09-061-14/+0
| | | | * lib/hamming.go (genKey): Remove function.
* lib: update KeySizeWithMinDistancersiddharth2020-09-061-3/+3
| | | | | | * lib/hamming.go (KeySizeWithMinDistance): Add argument 'bs'. Use first K bytes and next K bytes of 'bs' for 'p' and 'q'.
* lib: remove KeySizeWithMinDistanceIterrsiddharth2020-09-061-15/+0
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* lib: add BreakIntoBlocksrsiddharth2020-09-061-1/+1
| | | | * lib/blocks.go (BreakIntoBlocks): Fix typo -- 8 -> keysize.
* lib: update XORCrackSingleKeyrsiddharth2020-09-061-5/+5
| | | | | * lib/brute.go (XORCrackSingleKey): Simplify function; use FillBytes and FixedXORBytes
* lib: update isAlpharsiddharth2020-09-061-0/+6
| | | | * lib/str.go (isAlpha): Add common punctuation.
* lib: add FillBytesrsiddharth2020-09-061-0/+11
| | | | * lib/str.go (FillBytes): New function.
* lib: add FixedXORBytesrsiddharth2020-09-061-0/+12
| | | | * lib/xor.go (FixedXORBytes): New function.
* lib: add TransposeBlocksrsiddharth2020-09-061-0/+17
| | | | * lib/blocks.go (TransposeBlocks): New function.
* lib: add BreakIntoBlocksrsiddharth2020-09-061-0/+32
| | | | * lib/blocks.go (BreakIntoBlocks): New function.
* lib: add AlphaScorersiddharth2020-09-051-0/+10
| | | | * lib/str.go (AlphaScore): New function.
* lib: add isAlpharsiddharth2020-09-051-0/+10
| | | | * lib/str.go (isAlpha): New function.
* lib: move around stripSpaceCharsrsiddharth2020-09-052-15/+15
| | | | | * lib/b64.go (stripSpaceChars): Move to... * lib/str.go (stripSpaceChars): ...here.
* lib: add Base64ToBytesrsiddharth2020-09-051-0/+32
| | | | | | * lib/b64.go (Base64ToBytes): New function. lib/b64.go
* lib: add indexrsiddharth2020-09-051-0/+10
| | | | * lib/b64.go (index): New function.
* lib: add stripSpaceCharsrsiddharth2020-09-051-0/+15
| | | | * lib/b64.go (stripSpaceChars): New function.
* lib: add KeySizeWithMinDistanceIterrsiddharth2020-09-051-0/+14
| | | | * lib/hamming.go (KeySizeWithMinDistanceIter): New function.
* lib: add KeySizeWithMinDistancersiddharth2020-09-051-0/+23
| | | | * lib/hamming.go (KeySizeWithMinDistance): New function.
* lib: update HammingDistancersiddharth2020-09-051-1/+1
| | | | lib/hamming.go (HammingDistance): Change type of arguments to []byte.
* lib: add genKeyrsiddharth2020-09-051-0/+14
| | | | * lib/hamming.go (genKey): New function.
* lib: add HammingDistancersiddharth2020-09-041-0/+27
| | | | * lib/hamming.go (HammingDistance, setBits): New functions.
* lib/hex.go: update ByteToHexStrrsiddharth2020-08-311-10/+10
| | | | * lib/hex.go (ByteToHexStr): Move around.
* lib: BytesToHexStr -> AsciiStrToHexStrrsiddharth2020-08-311-2/+3
| | | | | | * challenge/c05.go (C5): Change BytesToHexStr call to AsciiStrToHexStr * lib/hex.go (BytesToHexStr): Rename to... (AsciiStrToHexStr): ...this. Change argument to string.
* lib: update HexToBase64rsiddharth2020-08-301-1/+1
| | | | | * lib/b64.go (HexToBase64): Use hex instead of base 2 for the second AND to get the last 6 bits.
* challenge: do challenge 5rsiddharth2020-08-302-0/+42
| | | | | | | * challenge/c05.go: Implement challenge 5. * cryptopals.go (main): Add handling to run challenge 5. * lib/hex.go (BytesToHexStr): New function. * lib/xor.go (RepeatingXOR): New function.
* challenge: do challenge 3rsiddharth2020-08-293-0/+100
| | | | | | | | * challenge/c03.go: Implement challenge 3 * cryptopals.go (main): Add handling to run challenge 3 * lib/brute.go (XORCrackSingleKey): New function. * lib/hex.go (HexStrToAsciiStr, ByteToHexStr): New functions. * lib/str.go (FillStr): New function.
* lib/xor.go: FixedXOR: add doc string.rsiddharth2020-08-291-0/+1
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* rename package enc -> hexrsiddharth2020-08-293-0/+72
* Makefile (fmt): fmt lib instead of enc * challenge/c01.go: Use lib instead of enc * challenge/c02.go: Use lib instead of enc * enc/b64.go -> lib/b64.go * enc/hex.go -> lib/hex.go * enc/xor.go -> lib/xor.go
siddharth ravikumar snafu