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Check for canonical public keys and signatures
Only enabled inside tests for now.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| // | ||
| // Unit tests for canonical signatures | ||
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| #include "json/json_spirit_writer_template.h" | ||
| #include <boost/test/unit_test.hpp> | ||
| #include <openssl/ecdsa.h> | ||
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| #include "key.h" | ||
| #include "script.h" | ||
| #include "util.h" | ||
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| using namespace std; | ||
| using namespace json_spirit; | ||
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|
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| // In script_tests.cpp | ||
| extern Array read_json(const std::string& filename); | ||
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| BOOST_AUTO_TEST_SUITE(canonical_tests) | ||
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| // OpenSSL-based test for canonical signature (without test for hashtype byte) | ||
| bool static IsCanonicalSignature_OpenSSL_inner(const std::vector<unsigned char>& vchSig) | ||
| { | ||
| if (vchSig.size() == 0) | ||
| return false; | ||
| const unsigned char *input = &vchSig[0]; | ||
| ECDSA_SIG *psig = NULL; | ||
| d2i_ECDSA_SIG(&psig, &input, vchSig.size()); | ||
| if (psig == NULL) | ||
| return false; | ||
| unsigned char buf[256]; | ||
| unsigned char *pbuf = buf; | ||
| unsigned int nLen = i2d_ECDSA_SIG(psig, NULL); | ||
| if (nLen != vchSig.size()) { | ||
| ECDSA_SIG_free(psig); | ||
| return false; | ||
| } | ||
| nLen = i2d_ECDSA_SIG(psig, &pbuf); | ||
| ECDSA_SIG_free(psig); | ||
| return (memcmp(&vchSig[0], &buf[0], nLen) == 0); | ||
| } | ||
|
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| // OpenSSL-based test for canonical signature | ||
| bool static IsCanonicalSignature_OpenSSL(const std::vector<unsigned char> &vchSignature) { | ||
| if (vchSignature.size() < 1) | ||
| return false; | ||
| if (vchSignature.size() > 127) | ||
| return false; | ||
| if (vchSignature[vchSignature.size() - 1] & 0x7C) | ||
| return false; | ||
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| std::vector<unsigned char> vchSig(vchSignature); | ||
| vchSig.pop_back(); | ||
| if (!IsCanonicalSignature_OpenSSL_inner(vchSig)) | ||
| return false; | ||
| return true; | ||
| } | ||
|
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| BOOST_AUTO_TEST_CASE(script_canon) | ||
| { | ||
| Array tests = read_json("sig_canonical.json"); | ||
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| BOOST_FOREACH(Value &tv, tests) { | ||
| string test = tv.get_str(); | ||
| if (IsHex(test)) { | ||
| std::vector<unsigned char> sig = ParseHex(test); | ||
| BOOST_CHECK_MESSAGE(IsCanonicalSignature(sig), test); | ||
| BOOST_CHECK_MESSAGE(IsCanonicalSignature_OpenSSL(sig), test); | ||
| } | ||
| } | ||
| } | ||
|
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| BOOST_AUTO_TEST_CASE(script_noncanon) | ||
| { | ||
| Array tests = read_json("sig_noncanonical.json"); | ||
|
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| BOOST_FOREACH(Value &tv, tests) { | ||
| string test = tv.get_str(); | ||
| if (IsHex(test)) { | ||
| std::vector<unsigned char> sig = ParseHex(test); | ||
| BOOST_CHECK_MESSAGE(!IsCanonicalSignature(sig), test); | ||
| BOOST_CHECK_MESSAGE(!IsCanonicalSignature_OpenSSL(sig), test); | ||
| } | ||
| } | ||
| } | ||
|
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| BOOST_AUTO_TEST_SUITE_END() |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| [ | ||
| "300602010002010001", | ||
| "3008020200ff020200ff01", | ||
| "304402203932c892e2e550f3af8ee4ce9c215a87f9bb831dcac87b2838e2c2eaa891df0c022030b61dd36543125d56b9f9f3a1f9353189e5af33cdda8d77a5209aec03978fa001", | ||
| "30450220076045be6f9eca28ff1ec606b833d0b87e70b2a630f5e3a496b110967a40f90a0221008fffd599910eefe00bc803c688c2eca1d2ba7f6b180620eaa03488e6585db6ba01", | ||
| "3046022100876045be6f9eca28ff1ec606b833d0b87e70b2a630f5e3a496b110967a40f90a0221008fffd599910eefe00bc803c688c2eca1d2ba7f6b180620eaa03488e6585db6ba01" | ||
| ] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| [ | ||
| "non-hex strings are ignored", | ||
|
|
||
| "too short:", "30050201FF020001", | ||
| "too long:", "30470221005990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba6105022200002d5876262c288beb511d061691bf26777344b702b00f8fe28621fe4e566695ed01", | ||
| "hashtype:", "304402205990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba610502202d5876262c288beb511d061691bf26777344b702b00f8fe28621fe4e566695ed11", | ||
| "type:", "314402205990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba610502202d5876262c288beb511d061691bf26777344b702b00f8fe28621fe4e566695ed01", | ||
| "total length:", "304502205990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba610502202d5876262c288beb511d061691bf26777344b702b00f8fe28621fe4e566695ed01", | ||
| "S len oob:", "301F01205990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb101", | ||
| "R+S:", "304502205990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba610502202d5876262c288beb511d061691bf26777344b702b00f8fe28621fe4e566695ed0001", | ||
|
|
||
| "R type:", "304401205990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba610502202d5876262c288beb511d061691bf26777344b702b00f8fe28621fe4e566695ed01", | ||
| "R len = 0:", "3024020002202d5876262c288beb511d061691bf26777344b702b00f8fe28621fe4e566695ed01", | ||
| "R<0:", "304402208990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba610502202d5876262c288beb511d061691bf26777344b702b00f8fe28621fe4e566695ed01", | ||
| "R padded:", "30450221005990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba610502202d5876262c288beb511d061691bf26777344b702b00f8fe28621fe4e566695ed01", | ||
|
|
||
|
|
||
| "S type:", "304402205990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba610501202d5876262c288beb511d061691bf26777344b702b00f8fe28621fe4e566695ed01", | ||
| "S len = 0:", "302402205990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba6105020001", | ||
| "S<0:", "304402205990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba61050220fd5876262c288beb511d061691bf26777344b702b00f8fe28621fe4e566695ed01", | ||
| "S padded:", "304502205990e0584b2b238e1dfaad8d6ed69ecc1a4a13ac85fc0b31d0df395eb1ba61050221002d5876262c288beb511d061691bf26777344b702b00f8fe28621fe4e566695ed01" | ||
| ] |
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