Class: Ccrypto::DigestMatcher

Inherits:
Object
  • Object
show all
Defined in:
lib/ccrypto/digest_matcher.rb

Overview

Match specific digest algo into common name inside the Ccrypto realm. The name is essential to let program to decide what to do Indirectly this should be the master list of supported digest algo inside the library

Constant Summary collapse

MatcherTestStr = 
"antrapol ensures data is secure when and where you want it to be".freeze

Class Method Summary collapse

Class Method Details

.find_digest_key(digest) ⇒ Object 



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# File 'lib/ccrypto/digest_matcher.rb', line 43

def self.find_digest_key(digest)
  if @dtable.nil?
    # key is always symbol
    # Decision to use symbol instead of string is symbol has limited way to encode:
    # e.g. not able to include space or "-"
    # If use String the permutation has more combination which increase the chance of
    # ambiguity
    @dtable = {
      blake2b160: "0pLDxiKPKtVreDFhuDjDyeHwbB4=",
      blake2b256: "gNdYJkgjFG3iRHjbAh6ov3csxZnR21iPv2v2kLoQjfg=",
      blake2b384: "CbsfQsXyD35cMGZua4e6zx8BbGcSj0l56gOiiALVnKlYpCxWmpTYMjJxAmeVgjMu",
      blake2b512: "QiiQhD4DndbOlaZMczD78BAdovWG5UM3Ba4XtmiXGKVvosPFgMn3xnb5qZ0DmKCgMrCLNwNulpIZrBukfMImww==",
      blake2s128: "3jy26+gJFpYpyw1fTS6cgA==",
      blake2s160: "wTZb6KBFCN3wt21wFW8hAzs3Io0=",
      blake2s224: "+eHnZDIeFdj0VFK7OzETys8HzPzE+02DHIPI3A==",
      blake2s256: "PD5L2mMOlSI6pJHT6Va/x6EDas0vZKjWPJ2+3nE/9Jk=",
      blake3256:  "nZKbHB35VnexVgZ+6TQ2i7rDjBjy/yPPeZn2FHAvqo0=",
      dstu7564_256: "OL9g8GSInAjTmNYKwiA7wzIAq3sElpJvK7gsDcPKvz0=",
      dstu7564_384: "IS9kM7dStF5pnxTdnJHMzQzZH/RB4vtowHPzBUjpr0EYE2rFCIC+L7Iw/EUTQUDG",
      dstu7564_512: "vHf5CRg+eE9369X66djajCEvZDO3UrReaZ8U3ZyRzM0M2R/0QeL7aMBz8wVI6a9BGBNqxQiAvi+yMPxFE0FAxg==",
      gost3411: "V4SIGhgZ3iwbrELe0AtK4f0i1YWaLoiNtVXCsqEQ1Wk=",
      gost3411_2012_256: "gVQfx7U8Vd5XiKS0EjGFgbGVu0ZGj0hPRvoGz+F62FE=",
      gost3411_2012_512: "ZMzHqL34UQyUSOvJgHBYlxJg7F+nTL/Qk2BU6fmDa7l968I2D47GDVL+3aA6LG8ZCvRyLAzbh/MvsKlX833WKQ==",
      haraka256: "2pKCohySDK5bQx1G4H2C+4u8f1B09JQRnBo6f01xQHQ=",
      haraka512: "g6KV4sJyErkk+HXWdTm7PH/RruqQAwploXK6dMhHC+w=",
      keccak224: "3gFqjSP2Pc91QyH5xdaHck6aAoWnR+mjHbtFBg==",
      keccak256: "96OfrPDMlOaRrQSfgbnFzrBhTDIRu0SPqEReyblUJ4k=",
      keccak288: "v6vOPybqNq/Nmh2F675IzjWC2fjPBXl4grIb5SDKPU/uiMWj",
      keccak384: "x/pKD7QmWywC14LYltOluCDH0U74S3YZONomZlTwQep+HGud70cYOQ/7ie+sMml6",
      keccak512: "jSKQMB0fPrQV2zqYeSw59iDvwMsQwyE300dt5hNg4xPD69JP5W56v78LoV3jakJ+x4c+ZIE8NudPH5mGLo9Iag==",
      parallelhash128_256: "bfpgOoHKnrqUHTrOj0bMa6WZRTSrEYIcidQaOG//A2M=",
      parallelhash256_512: "c9DA3ooYlZNbGtxQgmfDrCltzXTmoTSmyJPO+2DrDcxcCUSodsOHctslFg/RbCVeN7LXh+sPXOd9NfRuaLPPxQ==",
      ripemd128: "icy8Y0N0gU8O87hG+MwR1Q==",
      ripemd160: "flnmtKvfan+4WH97spKi8XtAHrE=",
      ripemd256: "Mf7adgrLqqrcpxZ752ad6v6tU7prl9FnBq2TYNPPoWk=",
      ripemd320: "YdBKsjywQJ7bmByl+6Zn9J6RWAUeyeYmvSM3SoCImv028PIuHO8m3w==",
      sha1: "RwUUHm8U866yoBNfGM4V2Ad2/D4=",
      sha224: "zpQtV56miDL6LejIkXJ30o+9OtqcRsGq+EZX/A==",
      sha256: "sNTq2sf8uzHKDiUt+Y1Vr/HVrW8AgLevQZ/HHKJubDA=",
      sha384: "5KqG3DsSm6KxmAeS+buH0avldfM2DcR1b9GMRZjlK1F5jR5Lwg0TGbRRJ5U3ylFB",
      sha512: "T7J7I3/VFMRSKt8q8KrWi9fsnzjXpFNEvoL5eVGI1Vt0HHfmFH5SHNg6L4X3l5GBcg6X6zlUBSqZk1QiKy8b4g==",
      sha512_224: "On15IMF7xtTypEN2zlbl9LMD0++AX7Vo0uEGGw==",
      sha512_256: "t1xIQgjCiIapNoseg1q3DdQQO7rngCga9ewqZ44EqOg=",
      sha3_224: "VjXrA6pwc0z7BFPaGFCLGWB6o5LaOKAw8XGs1A==",
      sha3_256: "raUIZ+3KcfEJTtcCzQCSTmZPcZFhlOVUsjDghhfhPxo=",
      sha3_384: "wiBHqnLyOzMl228JaQq8Zd5E9GFJQlY3lWIE/14AyQbY0csl3wUPoqmIFEBJ5EVz",
      sha3_512: "5fNjwalHgZL2ROHQNtsdJhVIkrXOXCOfTZg0kNXGuGrDVCwl9ERVAG5wHNXKDFW/D72gqoW0XDUIwDt+DMyzyw==",
      shake128_256: "ChxTTokFs354PoInE4eXcZU3RLslAjBAgogFUlZKAr8=",
      shake256_512: "1c+ERFraWmph91mdDe7LEpmcjgl3fYocO4a5L09DBM7BsuUMrgXC/QOwW9Ug6U7bqzpLa2Wot9K1ilEhy9lsUw==",
      skein1024_1024: "LSCcR3WLi7KbAn30M8xDbZVn/DA0UJcJj4PrO/IH1nwFJ3Hac9v5XC1ckHvUzmQeaygzV1yyDbqnvmnhFx8WWRNhJ6/9doUHt5pPdH9czupjV1F1J0CrjFbgnQaruyAEWPJ/roOpWR28sVohAiXlZT73/jvFA1qUn46kFr1KOFo=",
      skein1024_384: "py97erCjOPwWNv4kE7KoV5op22Lkh0xq/JM5hw6ezu2+5Vm9ylvCgESbCFrgn+uy",
      skein1024_512: "OnAy/fSXBykZpAFSkqfmRFPtiFe2SpEeGH8JVY1jhllbhOqGyLyL+flY9Buymc8O+bkRM95IZphkwgD1R5nlmw==",
      skein256_128: "2IzEhmqfdrBzNJli8v9tHA==",
      skein256_160: "mBFGB+cBumPVLdjNHg06szlvwNo=",
      skein256_224: "ZG8Ia4m2/8W2+zI76zpensT84xYjZZeQBNmCOw==",
      skein256_256: "s3hhdiS2r+nTJxE2f0Vkx0MvDvPc9j35zbXbziDkovM=",
      skein512_128: "bb17DoKVvzqyA4IconI3vg==",
      skein512_160: "BzoVjJObMVkGMx+sa7uLS/kNCIk=",
      skein512_224: "LlxCIHa9sHm+g7wXTOesVpjSrk7TvOYMC5AknQ==",
      skein512_256: "4UUxlYOSqITg96ZtlBYBUtQeh1mLgOuoMFP47SmJ4RA=",
      skein512_384: "EDoBTYO6G2mbBCfYuan1lIuazB+ToGP4gUB8uj+248SUd0r57tY1mWEfOMQOoSiS",
      skein512_512: "94/CDISu4nyY2Pobuq9N5lGA0Jdybc3gfdudSmUbuHdXYdjnameJt9UvunQIO9MCufG0QyEgOBsjBNasPw46XQ==",
      sm3: "X1mEgSOAmjzrvU5jci1e2iK42HVyYvROhpxp0BiKw2s=",
      tiger: "Y5UJEZq2ZEFkoOFSak1WmRcstCFuRe9H",
      tuplehash128_256: "xTUUf5y3DDNvfYEY19ezdXygpzcx33nnpexAzU81HR4=",
      tuplehash256_512: "Ey2RfbNNCYMu9CpmEwNq+BMrd90TPCCPV1fgefGdY9bNObnb76l+z+ju3ZPZ12+eGAz3xTXAX7HKOWqrw/8r2w==",
      whirlpool: "CsHu74qufeIg1eG72WDiydOO+CkPg5XDIzMFL4izDmFg+YHWE/v1g/RYzTD3BipFUWrrHKz+1itoYTxuJ4w+Mg=="            
    }
  end

  @dtable.invert[digest]
end

.generate_digest(digestConf) ⇒ Object

Here is how the digest table value is generated

Raises:



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# File 'lib/ccrypto/digest_matcher.rb', line 19

def self.generate_digest(digestConf)
  raise DigestMatcherError, "CCrypto::DigestConfig is required. Given '#{digestConf}'" if not digestConf.is_a?(Ccrypto::DigestConfig)

  dig = Ccrypto::AlgoFactory.engine(digestConf)

  if digestConf.has_fixed_input_len_byte?
    len = digestConf.fixed_input_len_byte
    if len <= MatcherTestStr.length
      dat = MatcherTestStr[0...digestConf.fixed_input_len_byte]
    else
      dat = "#{MatcherTestStr} #{MatcherTestStr[0..(len-MatcherTestStr.length)-2]}"
    end

    logger.debug "Digest #{digestConf.inspect} has fixed_input_len_byte #{digestConf.fixed_input_len_byte}. Test data length : #{dat.length}"

  else
    dat = MatcherTestStr[0...8]
    logger.debug "Digest #{digestConf.inspect} has no fixed input length restriction. Test data length : #{dat.length}"

  end

  dig.digest(dat, :b64)
end