f1d85e614b
When `out` is the same length as the digest output an extra iteration of HMAC was executed and then thrown away. Avoid that extra iteration. Note that an extra iteration is still done in the degenerate case where `out` is empty, because it's better to optimize for the case where `out` isn't empty. The output is exactly the same as before.
79 lines
3.8 KiB
Plaintext
79 lines
3.8 KiB
Plaintext
# Test Cases from RFC 5869. Note that the parameter L is implied by the length
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# of |OKM| and so it was omitted.
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# A.1. Test Case 1 = Basic test case with SHA-256
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Hash = SHA256
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IKM = 0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b
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salt = 000102030405060708090a0b0c
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info = f0f1f2f3f4f5f6f7f8f9
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PRK = 077709362c2e32df0ddc3f0dc47bba6390b6c73bb50f9c3122ec844ad7c2b3e5
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OKM = 3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf34007208d5b887185865
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# A.2. Test Case 2 = Test with SHA-256 and longer inputs/outputs
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Hash = SHA256
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IKM = 000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f
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salt = 606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeaf
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info = b0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff
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PRK = 06a6b88c5853361a06104c9ceb35b45cef760014904671014a193f40c15fc244
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OKM = b11e398dc80327a1c8e7f78c596a49344f012eda2d4efad8a050cc4c19afa97c59045a99cac7827271cb41c65e590e09da3275600c2f09b8367793a9aca3db71cc30c58179ec3e87c14c01d5c1f3434f1d87
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# A.3. Test Case 3 = Test with SHA-256 and zero-length salt/info
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Hash = SHA256
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IKM = 0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b
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salt = ""
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info = ""
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PRK = 19ef24a32c717b167f33a91d6f648bdf96596776afdb6377ac434c1c293ccb04
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OKM = 8da4e775a563c18f715f802a063c5a31b8a11f5c5ee1879ec3454e5f3c738d2d9d201395faa4b61a96c8
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# A.4. Test Case 4 = Basic test case with SHA-1
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Hash = SHA1
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IKM = 0b0b0b0b0b0b0b0b0b0b0b
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salt = 000102030405060708090a0b0c
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info = f0f1f2f3f4f5f6f7f8f9
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PRK = 9b6c18c432a7bf8f0e71c8eb88f4b30baa2ba243
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OKM = 085a01ea1b10f36933068b56efa5ad81a4f14b822f5b091568a9cdd4f155fda2c22e422478d305f3f896
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# A.5. Test Case 5 = Test with SHA-1 and longer inputs/outputs
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Hash = SHA1
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IKM = 000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f
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salt = 606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeaf
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info = b0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff
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PRK = 8adae09a2a307059478d309b26c4115a224cfaf6
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OKM = 0bd770a74d1160f7c9f12cd5912a06ebff6adcae899d92191fe4305673ba2ffe8fa3f1a4e5ad79f3f334b3b202b2173c486ea37ce3d397ed034c7f9dfeb15c5e927336d0441f4c4300e2cff0d0900b52d3b4
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# A.6. Test Case 6 = Test with SHA-1 and zero-length salt/info
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Hash = SHA1
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IKM = 0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b
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salt = ""
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info = ""
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PRK = da8c8a73c7fa77288ec6f5e7c297786aa0d32d01
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OKM = 0ac1af7002b3d761d1e55298da9d0506b9ae52057220a306e07b6b87e8df21d0ea00033de03984d34918
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# A.7. Test Case 7 = Test with SHA-1, salt not provided (defaults to HashLen
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# zero octets), zero-length info
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Hash = SHA1
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IKM = 0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c
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salt = ""
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info = ""
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PRK = 2adccada18779e7c2077ad2eb19d3f3e731385dd
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OKM = 2c91117204d745f3500d636a62f64f0ab3bae548aa53d423b0d1f27ebba6f5e5673a081d70cce7acfc48
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# Variants of the above tests.
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# Variant of A.1. with zero-length output
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Hash = SHA256
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IKM = 0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b
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salt = 000102030405060708090a0b0c
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info = f0f1f2f3f4f5f6f7f8f9
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PRK = 077709362c2e32df0ddc3f0dc47bba6390b6c73bb50f9c3122ec844ad7c2b3e5
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OKM = ""
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# Variant of A.1. with hash-length output
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Hash = SHA256
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IKM = 0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b
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salt = 000102030405060708090a0b0c
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info = f0f1f2f3f4f5f6f7f8f9
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PRK = 077709362c2e32df0ddc3f0dc47bba6390b6c73bb50f9c3122ec844ad7c2b3e5
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OKM = 3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf
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