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GH587: Extend ECDH tests to more curves. Add more ECDH KATs.
squelch sign-compare warning Signed-off-by: Rich Salz <rsalz@openssl.org> Reviewed-by: Kurt Roeckx <kurt@openssl.org>
This commit is contained in:
Billy Brumley
Rich Salz
parent
e6f601cef5
commit
b438f0ed8f
260
test/ecdhtest.c
260
test/ecdhtest.c
@ -103,7 +103,7 @@ static void *KDF1_SHA1(const void *in, size_t inlen, void *out,
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return SHA1(in, inlen, out);
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}
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static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out)
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static int test_ecdh_curve(int nid, BN_CTX *ctx, BIO *out)
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{
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EC_KEY *a = NULL;
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EC_KEY *b = NULL;
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@ -130,7 +130,7 @@ static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out)
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goto err;
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BIO_puts(out, "Testing key generation with ");
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BIO_puts(out, text);
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BIO_puts(out, OBJ_nid2sn(nid));
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# ifdef NOISY
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BIO_puts(out, "\n");
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# else
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@ -287,77 +287,90 @@ static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out)
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return (ret);
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}
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/* Keys and shared secrets from RFC 7027 */
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typedef struct {
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const int nid;
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const char *da;
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const char *db;
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const char *Z;
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} ecdh_kat_t;
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static const unsigned char bp256_da[] = {
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0x81, 0xDB, 0x1E, 0xE1, 0x00, 0x15, 0x0F, 0xF2, 0xEA, 0x33, 0x8D, 0x70,
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0x82, 0x71, 0xBE, 0x38, 0x30, 0x0C, 0xB5, 0x42, 0x41, 0xD7, 0x99, 0x50,
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0xF7, 0x7B, 0x06, 0x30, 0x39, 0x80, 0x4F, 0x1D
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};
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static const unsigned char bp256_db[] = {
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0x55, 0xE4, 0x0B, 0xC4, 0x1E, 0x37, 0xE3, 0xE2, 0xAD, 0x25, 0xC3, 0xC6,
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0x65, 0x45, 0x11, 0xFF, 0xA8, 0x47, 0x4A, 0x91, 0xA0, 0x03, 0x20, 0x87,
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0x59, 0x38, 0x52, 0xD3, 0xE7, 0xD7, 0x6B, 0xD3
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};
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static const unsigned char bp256_Z[] = {
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0x89, 0xAF, 0xC3, 0x9D, 0x41, 0xD3, 0xB3, 0x27, 0x81, 0x4B, 0x80, 0x94,
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0x0B, 0x04, 0x25, 0x90, 0xF9, 0x65, 0x56, 0xEC, 0x91, 0xE6, 0xAE, 0x79,
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0x39, 0xBC, 0xE3, 0x1F, 0x3A, 0x18, 0xBF, 0x2B
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};
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static const unsigned char bp384_da[] = {
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0x1E, 0x20, 0xF5, 0xE0, 0x48, 0xA5, 0x88, 0x6F, 0x1F, 0x15, 0x7C, 0x74,
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0xE9, 0x1B, 0xDE, 0x2B, 0x98, 0xC8, 0xB5, 0x2D, 0x58, 0xE5, 0x00, 0x3D,
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0x57, 0x05, 0x3F, 0xC4, 0xB0, 0xBD, 0x65, 0xD6, 0xF1, 0x5E, 0xB5, 0xD1,
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0xEE, 0x16, 0x10, 0xDF, 0x87, 0x07, 0x95, 0x14, 0x36, 0x27, 0xD0, 0x42
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};
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static const unsigned char bp384_db[] = {
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0x03, 0x26, 0x40, 0xBC, 0x60, 0x03, 0xC5, 0x92, 0x60, 0xF7, 0x25, 0x0C,
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0x3D, 0xB5, 0x8C, 0xE6, 0x47, 0xF9, 0x8E, 0x12, 0x60, 0xAC, 0xCE, 0x4A,
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0xCD, 0xA3, 0xDD, 0x86, 0x9F, 0x74, 0xE0, 0x1F, 0x8B, 0xA5, 0xE0, 0x32,
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0x43, 0x09, 0xDB, 0x6A, 0x98, 0x31, 0x49, 0x7A, 0xBA, 0xC9, 0x66, 0x70
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};
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static const unsigned char bp384_Z[] = {
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0x0B, 0xD9, 0xD3, 0xA7, 0xEA, 0x0B, 0x3D, 0x51, 0x9D, 0x09, 0xD8, 0xE4,
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0x8D, 0x07, 0x85, 0xFB, 0x74, 0x4A, 0x6B, 0x35, 0x5E, 0x63, 0x04, 0xBC,
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0x51, 0xC2, 0x29, 0xFB, 0xBC, 0xE2, 0x39, 0xBB, 0xAD, 0xF6, 0x40, 0x37,
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0x15, 0xC3, 0x5D, 0x4F, 0xB2, 0xA5, 0x44, 0x4F, 0x57, 0x5D, 0x4F, 0x42
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};
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static const unsigned char bp512_da[] = {
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0x16, 0x30, 0x2F, 0xF0, 0xDB, 0xBB, 0x5A, 0x8D, 0x73, 0x3D, 0xAB, 0x71,
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0x41, 0xC1, 0xB4, 0x5A, 0xCB, 0xC8, 0x71, 0x59, 0x39, 0x67, 0x7F, 0x6A,
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0x56, 0x85, 0x0A, 0x38, 0xBD, 0x87, 0xBD, 0x59, 0xB0, 0x9E, 0x80, 0x27,
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0x96, 0x09, 0xFF, 0x33, 0x3E, 0xB9, 0xD4, 0xC0, 0x61, 0x23, 0x1F, 0xB2,
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0x6F, 0x92, 0xEE, 0xB0, 0x49, 0x82, 0xA5, 0xF1, 0xD1, 0x76, 0x4C, 0xAD,
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0x57, 0x66, 0x54, 0x22
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};
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static const unsigned char bp512_db[] = {
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0x23, 0x0E, 0x18, 0xE1, 0xBC, 0xC8, 0x8A, 0x36, 0x2F, 0xA5, 0x4E, 0x4E,
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0xA3, 0x90, 0x20, 0x09, 0x29, 0x2F, 0x7F, 0x80, 0x33, 0x62, 0x4F, 0xD4,
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0x71, 0xB5, 0xD8, 0xAC, 0xE4, 0x9D, 0x12, 0xCF, 0xAB, 0xBC, 0x19, 0x96,
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0x3D, 0xAB, 0x8E, 0x2F, 0x1E, 0xBA, 0x00, 0xBF, 0xFB, 0x29, 0xE4, 0xD7,
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0x2D, 0x13, 0xF2, 0x22, 0x45, 0x62, 0xF4, 0x05, 0xCB, 0x80, 0x50, 0x36,
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0x66, 0xB2, 0x54, 0x29
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};
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static const unsigned char bp512_Z[] = {
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0xA7, 0x92, 0x70, 0x98, 0x65, 0x5F, 0x1F, 0x99, 0x76, 0xFA, 0x50, 0xA9,
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0xD5, 0x66, 0x86, 0x5D, 0xC5, 0x30, 0x33, 0x18, 0x46, 0x38, 0x1C, 0x87,
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0x25, 0x6B, 0xAF, 0x32, 0x26, 0x24, 0x4B, 0x76, 0xD3, 0x64, 0x03, 0xC0,
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0x24, 0xD7, 0xBB, 0xF0, 0xAA, 0x08, 0x03, 0xEA, 0xFF, 0x40, 0x5D, 0x3D,
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0x24, 0xF1, 0x1A, 0x9B, 0x5C, 0x0B, 0xEF, 0x67, 0x9F, 0xE1, 0x45, 0x4B,
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0x21, 0xC4, 0xCD, 0x1F
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static const ecdh_kat_t ecdh_kats[] = {
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/* Keys and shared secrets from RFC 5114 */
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{ NID_X9_62_prime192v1,
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"323FA3169D8E9C6593F59476BC142000AB5BE0E249C43426",
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"631F95BB4A67632C9C476EEE9AB695AB240A0499307FCF62",
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"AD420182633F8526BFE954ACDA376F05E5FF4F837F54FEBE" },
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{ NID_secp224r1,
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"B558EB6C288DA707BBB4F8FBAE2AB9E9CB62E3BC5C7573E22E26D37F",
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"AC3B1ADD3D9770E6F6A708EE9F3B8E0AB3B480E9F27F85C88B5E6D18",
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"52272F50F46F4EDC9151569092F46DF2D96ECC3B6DC1714A4EA949FA" },
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{ NID_X9_62_prime256v1,
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"814264145F2F56F2E96A8E337A1284993FAF432A5ABCE59E867B7291D507A3AF",
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"2CE1788EC197E096DB95A200CC0AB26A19CE6BCCAD562B8EEE1B593761CF7F41",
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"DD0F5396219D1EA393310412D19A08F1F5811E9DC8EC8EEA7F80D21C820C2788" },
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{ NID_secp384r1,
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"D27335EA71664AF244DD14E9FD1260715DFD8A7965571C48D709EE7A7962A156"
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"D706A90CBCB5DF2986F05FEADB9376F1",
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"52D1791FDB4B70F89C0F00D456C2F7023B6125262C36A7DF1F80231121CCE3D3"
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"9BE52E00C194A4132C4A6C768BCD94D2",
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"5EA1FC4AF7256D2055981B110575E0A8CAE53160137D904C59D926EB1B8456E4"
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"27AA8A4540884C37DE159A58028ABC0E" },
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{ NID_secp521r1,
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"0113F82DA825735E3D97276683B2B74277BAD27335EA71664AF2430CC4F33459"
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"B9669EE78B3FFB9B8683015D344DCBFEF6FB9AF4C6C470BE254516CD3C1A1FB4"
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"7362",
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"00CEE3480D8645A17D249F2776D28BAE616952D1791FDB4B70F7C3378732AA1B"
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"22928448BCD1DC2496D435B01048066EBE4F72903C361B1A9DC1193DC2C9D089"
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"1B96",
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"00CDEA89621CFA46B132F9E4CFE2261CDE2D4368EB5656634C7CC98C7A00CDE5"
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"4ED1866A0DD3E6126C9D2F845DAFF82CEB1DA08F5D87521BB0EBECA77911169C"
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"20CC" },
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/* Keys and shared secrets from RFC 5903 */
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{ NID_X9_62_prime256v1,
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"C88F01F510D9AC3F70A292DAA2316DE544E9AAB8AFE84049C62A9C57862D1433",
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"C6EF9C5D78AE012A011164ACB397CE2088685D8F06BF9BE0B283AB46476BEE53",
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"D6840F6B42F6EDAFD13116E0E12565202FEF8E9ECE7DCE03812464D04B9442DE" },
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{ NID_secp384r1,
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"099F3C7034D4A2C699884D73A375A67F7624EF7C6B3C0F160647B67414DCE655"
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"E35B538041E649EE3FAEF896783AB194",
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"41CB0779B4BDB85D47846725FBEC3C9430FAB46CC8DC5060855CC9BDA0AA2942"
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"E0308312916B8ED2960E4BD55A7448FC",
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"11187331C279962D93D604243FD592CB9D0A926F422E47187521287E7156C5C4"
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"D603135569B9E9D09CF5D4A270F59746" },
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{ NID_secp521r1,
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"0037ADE9319A89F4DABDB3EF411AACCCA5123C61ACAB57B5393DCE47608172A0"
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"95AA85A30FE1C2952C6771D937BA9777F5957B2639BAB072462F68C27A57382D"
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"4A52",
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"0145BA99A847AF43793FDD0E872E7CDFA16BE30FDC780F97BCCC3F078380201E"
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"9C677D600B343757A3BDBF2A3163E4C2F869CCA7458AA4A4EFFC311F5CB15168"
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"5EB9",
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"01144C7D79AE6956BC8EDB8E7C787C4521CB086FA64407F97894E5E6B2D79B04"
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"D1427E73CA4BAA240A34786859810C06B3C715A3A8CC3151F2BEE417996D19F3"
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"DDEA" },
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/* Keys and shared secrets from RFC 7027 */
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{ NID_brainpoolP256r1,
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"81DB1EE100150FF2EA338D708271BE38300CB54241D79950F77B063039804F1D",
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"55E40BC41E37E3E2AD25C3C6654511FFA8474A91A0032087593852D3E7D76BD3",
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"89AFC39D41D3B327814B80940B042590F96556EC91E6AE7939BCE31F3A18BF2B" },
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{ NID_brainpoolP384r1,
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"1E20F5E048A5886F1F157C74E91BDE2B98C8B52D58E5003D57053FC4B0BD65D6"
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"F15EB5D1EE1610DF870795143627D042",
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"032640BC6003C59260F7250C3DB58CE647F98E1260ACCE4ACDA3DD869F74E01F"
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"8BA5E0324309DB6A9831497ABAC96670",
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"0BD9D3A7EA0B3D519D09D8E48D0785FB744A6B355E6304BC51C229FBBCE239BB"
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"ADF6403715C35D4FB2A5444F575D4F42" },
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{ NID_brainpoolP512r1,
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"16302FF0DBBB5A8D733DAB7141C1B45ACBC8715939677F6A56850A38BD87BD59"
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"B09E80279609FF333EB9D4C061231FB26F92EEB04982A5F1D1764CAD57665422",
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"230E18E1BCC88A362FA54E4EA3902009292F7F8033624FD471B5D8ACE49D12CF"
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"ABBC19963DAB8E2F1EBA00BFFB29E4D72D13F2224562F405CB80503666B25429",
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"A7927098655F1F9976FA50A9D566865DC530331846381C87256BAF3226244B76"
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"D36403C024D7BBF0AA0803EAFF405D3D24F11A9B5C0BEF679FE1454B21C4CD1F" }
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};
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/* Given private value and NID, create EC_KEY structure */
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static EC_KEY *mk_eckey(int nid, const unsigned char *p, size_t plen)
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static EC_KEY *mk_eckey(int nid, const char *str)
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{
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int ok = 0;
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EC_KEY *k = NULL;
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@ -367,7 +380,8 @@ static EC_KEY *mk_eckey(int nid, const unsigned char *p, size_t plen)
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k = EC_KEY_new_by_curve_name(nid);
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if (!k)
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goto err;
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priv = BN_bin2bn(p, plen, NULL);
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if(!BN_hex2bn(&priv, str))
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goto err;
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if (!priv)
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goto err;
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if (!EC_KEY_set_private_key(k, priv))
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@ -395,41 +409,50 @@ static EC_KEY *mk_eckey(int nid, const unsigned char *p, size_t plen)
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* value.
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*/
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static int ecdh_kat(BIO *out, const char *cname, int nid,
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const unsigned char *k1, size_t k1_len,
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const unsigned char *k2, size_t k2_len,
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const unsigned char *Z, size_t Zlen)
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static int ecdh_kat(BIO *out, const ecdh_kat_t *kat)
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{
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int rv = 0;
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EC_KEY *key1 = NULL, *key2 = NULL;
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unsigned char *Ztmp = NULL;
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size_t Ztmplen;
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BIGNUM *bnz = NULL;
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unsigned char *Ztmp = NULL, *Z = NULL;
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size_t Ztmplen, Zlen;
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BIO_puts(out, "Testing ECDH shared secret with ");
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BIO_puts(out, cname);
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key1 = mk_eckey(nid, k1, k1_len);
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key2 = mk_eckey(nid, k2, k2_len);
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BIO_puts(out, OBJ_nid2sn(kat->nid));
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if(!BN_hex2bn(&bnz, kat->Z))
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goto err;
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key1 = mk_eckey(kat->nid, kat->da);
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key2 = mk_eckey(kat->nid, kat->db);
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if (!key1 || !key2)
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goto err;
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Ztmplen = (EC_GROUP_get_degree(EC_KEY_get0_group(key1)) + 7) / 8;
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if (Ztmplen != Zlen)
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Zlen = BN_num_bytes(bnz);
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if (Zlen > Ztmplen)
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goto err;
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if((Ztmp = OPENSSL_zalloc(Ztmplen)) == NULL)
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goto err;
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if((Z = OPENSSL_zalloc(Ztmplen)) == NULL)
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goto err;
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/* Z offset compensates for bn2bin stripping leading 0x00 bytes */
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if(!BN_bn2bin(bnz, Z + Ztmplen - Zlen))
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goto err;
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Ztmp = OPENSSL_malloc(Ztmplen);
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if (!ECDH_compute_key(Ztmp, Ztmplen,
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EC_KEY_get0_public_key(key2), key1, 0))
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goto err;
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if (memcmp(Ztmp, Z, Zlen))
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if (memcmp(Ztmp, Z, Ztmplen))
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goto err;
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memset(Ztmp, 0, Zlen);
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memset(Ztmp, 0, Ztmplen);
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if (!ECDH_compute_key(Ztmp, Ztmplen,
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EC_KEY_get0_public_key(key1), key2, 0))
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goto err;
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if (memcmp(Ztmp, Z, Zlen))
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if (memcmp(Ztmp, Z, Ztmplen))
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goto err;
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rv = 1;
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err:
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EC_KEY_free(key1);
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EC_KEY_free(key2);
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OPENSSL_free(Ztmp);
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OPENSSL_free(Z);
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BN_free(bnz);
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if (rv)
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BIO_puts(out, " ok\n");
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else {
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@ -439,16 +462,12 @@ static int ecdh_kat(BIO *out, const char *cname, int nid,
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return rv;
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}
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# define test_ecdh_kat(bio, curve, bits) \
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ecdh_kat(bio, curve, NID_brainpoolP##bits##r1, \
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bp##bits##_da, sizeof(bp##bits##_da), \
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bp##bits##_db, sizeof(bp##bits##_db), \
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bp##bits##_Z, sizeof(bp##bits##_Z))
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int main(int argc, char *argv[])
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{
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BN_CTX *ctx = NULL;
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int ret = 1;
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int nid, ret = 1;
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EC_builtin_curve *curves = NULL;
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size_t crv_len = 0, n = 0;
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BIO *out;
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CRYPTO_set_mem_debug(1);
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@ -464,53 +483,30 @@ int main(int argc, char *argv[])
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if ((ctx = BN_CTX_new()) == NULL)
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goto err;
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/* NIST PRIME CURVES TESTS */
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if (!test_ecdh_curve
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(NID_X9_62_prime192v1, "NIST Prime-Curve P-192", ctx, out))
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goto err;
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if (!test_ecdh_curve(NID_secp224r1, "NIST Prime-Curve P-224", ctx, out))
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goto err;
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if (!test_ecdh_curve
|
||||
(NID_X9_62_prime256v1, "NIST Prime-Curve P-256", ctx, out))
|
||||
goto err;
|
||||
if (!test_ecdh_curve(NID_secp384r1, "NIST Prime-Curve P-384", ctx, out))
|
||||
goto err;
|
||||
if (!test_ecdh_curve(NID_secp521r1, "NIST Prime-Curve P-521", ctx, out))
|
||||
goto err;
|
||||
# ifndef OPENSSL_NO_EC2M
|
||||
/* NIST BINARY CURVES TESTS */
|
||||
if (!test_ecdh_curve(NID_sect163k1, "NIST Binary-Curve K-163", ctx, out))
|
||||
goto err;
|
||||
if (!test_ecdh_curve(NID_sect163r2, "NIST Binary-Curve B-163", ctx, out))
|
||||
goto err;
|
||||
if (!test_ecdh_curve(NID_sect233k1, "NIST Binary-Curve K-233", ctx, out))
|
||||
goto err;
|
||||
if (!test_ecdh_curve(NID_sect233r1, "NIST Binary-Curve B-233", ctx, out))
|
||||
goto err;
|
||||
if (!test_ecdh_curve(NID_sect283k1, "NIST Binary-Curve K-283", ctx, out))
|
||||
goto err;
|
||||
if (!test_ecdh_curve(NID_sect283r1, "NIST Binary-Curve B-283", ctx, out))
|
||||
goto err;
|
||||
if (!test_ecdh_curve(NID_sect409k1, "NIST Binary-Curve K-409", ctx, out))
|
||||
goto err;
|
||||
if (!test_ecdh_curve(NID_sect409r1, "NIST Binary-Curve B-409", ctx, out))
|
||||
goto err;
|
||||
if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out))
|
||||
goto err;
|
||||
if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out))
|
||||
goto err;
|
||||
# endif
|
||||
if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP256r1", 256))
|
||||
goto err;
|
||||
if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP384r1", 384))
|
||||
goto err;
|
||||
if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP512r1", 512))
|
||||
goto err;
|
||||
/* get a list of all internal curves */
|
||||
crv_len = EC_get_builtin_curves(NULL, 0);
|
||||
curves = OPENSSL_malloc(sizeof(*curves) * crv_len);
|
||||
if (curves == NULL) goto err;
|
||||
|
||||
if (!EC_get_builtin_curves(curves, crv_len)) goto err;
|
||||
|
||||
/* NAMED CURVES TESTS */
|
||||
for (n = 0; n < crv_len; n++) {
|
||||
nid = curves[n].nid;
|
||||
if (!test_ecdh_curve(nid, ctx, out)) goto err;
|
||||
}
|
||||
|
||||
/* KATs */
|
||||
for (n = 0; n < (sizeof(ecdh_kats)/sizeof(ecdh_kat_t)); n++) {
|
||||
if (!ecdh_kat(out, &ecdh_kats[n]))
|
||||
goto err;
|
||||
}
|
||||
|
||||
ret = 0;
|
||||
|
||||
err:
|
||||
ERR_print_errors_fp(stderr);
|
||||
OPENSSL_free(curves);
|
||||
BN_CTX_free(ctx);
|
||||
BIO_free(out);
|
||||
CRYPTO_cleanup_all_ex_data();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user