7 #if CRYPTOPP_MSC_VERSION 9 # pragma warning(disable: 4127 4189 4505) 12 #if CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE 13 # pragma GCC diagnostic push 14 # pragma GCC diagnostic ignored "-Wunused-function" 17 #ifndef CRYPTOPP_IMPORTS 34 #if defined(CRYPTOPP_DEBUG) && !defined(CRYPTOPP_DOXYGEN_PROCESSING) 35 static void ECDSA_TestInstantiations()
49 ANONYMOUS_NAMESPACE_BEGIN
52 unsigned int l = x.ByteCount();
69 for (
unsigned int i=n; DiscreteLogWorkFactor(i)<m/2; i+=n)
80 ANONYMOUS_NAMESPACE_END
88 EcRecommendedParameters(
const OID &oid,
unsigned int t2,
unsigned int t3,
unsigned int t4,
const char *a,
const char *b,
const char *g,
const char *n,
unsigned int h)
89 : oid(oid), a(a), b(b), g(g), n(n), h(h), t0(0), t1(0), t2(t2), t3(t3), t4(t4) {}
90 EcRecommendedParameters(
const OID &oid,
unsigned int t0,
unsigned int t1,
unsigned int t2,
unsigned int t3,
unsigned int t4,
const char *a,
const char *b,
const char *g,
const char *n,
unsigned int h)
91 : oid(oid), a(a), b(b), g(g), n(n), h(h), t0(t0), t1(t1), t2(t2), t3(t3), t4(t4) {}
103 const char *a, *b, *g, *n;
104 unsigned int h, t0, t1, t2, t3, t4;
109 EcRecommendedParameters(
const OID &oid,
const char *p,
const char *a,
const char *b,
const char *g,
const char *n,
unsigned int h)
110 : oid(oid), p(p), a(a), b(b), g(g), n(n), h(h) {}
120 const char *p, *a, *b, *g, *n;
126 template <
typename T>
128 template <
typename T>
130 template <
typename T>
140 "000000000000000000000000000000000000000001",
141 "000000000000000000000000000000000000000001",
142 "0402FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE80289070FB05D38FF58321F2E800536D538CCDAA3D9",
143 "04000000000000000000020108A2E0CC0D99F8A5EF",
147 "07B6882CAAEFA84F9554FF8428BD88E246D2782AE2",
148 "0713612DCDDCB40AAB946BDA29CA91F73AF958AFD9",
149 "040369979697AB43897789566789567F787A7876A65400435EDB42EFAFB2989D51FEFCE3C80988F41FF883",
150 "03FFFFFFFFFFFFFFFFFFFF48AAB689C29CA710279B",
154 "000000000000000000000000000000000000000000000000000000000000",
155 "000000000000000000000000000000000000000000000000000000000001",
156 "0429A0B6A887A983E9730988A68727A8B2D126C44CC2CC7B2A6555193035DC76310804F12E549BDB011C103089E73510ACB275FC312A5DC6B76553F0CA",
157 "2000000000000000000000000000005A79FEC67CB6E91F1C1DA800E478A5",
161 "003088250CA6E7C7FE649CE85820F7",
162 "00E8BEE4D3E2260744188BE0E9C723",
163 "04009D73616F35F4AB1407D73562C10F00A52830277958EE84D1315ED31886",
164 "0100000000000000D9CCEC8A39E56F",
168 "00689918DBEC7E5A0DD6DFC0AA55C7",
169 "0095E9A9EC9B297BD4BF36E059184F",
170 "0401A57A6A7B26CA5EF52FCDB816479700B3ADC94ED1FE674C06E695BABA1D",
171 "010000000000000108789B2496AF93",
175 "000000000000000000000000000000000000000001",
176 "020A601907B8C953CA1481EB10512F78744A3205FD",
177 "0403F0EBA16286A2D57EA0991168D4994637E8343E3600D51FBC6C71A0094FA2CDD545B11C5C0C797324F1",
178 "040000000000000000000292FE77E70C12A4234C33",
182 "000000000000000000000000000000000000000000000000000000000000000000000000",
183 "000000000000000000000000000000000000000000000000000000000000000000000001",
184 "040503213F78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC245849283601CCDA380F1C9E318D90F95D07E5426FE87E45C0E8184698E45962364E34116177DD2259",
185 "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE9AE2ED07577265DFF7F94451E061E163C61",
189 "000000000000000000000000000000000000000000000000000000000000000000000001",
190 "027B680AC8B8596DA5A4AF8A19A0303FCA97FD7645309FA2A581485AF6263E313B79A2F5",
191 "0405F939258DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B1205303676854FE24141CB98FE6D4B20D02B4516FF702350EDDB0826779C813F0DF45BE8112F4",
192 "03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEF90399660FC938A90165B042A7CEFADB307",
196 "07A11B09A76B562144418FF3FF8C2570B8",
197 "0217C05610884B63B9C6C7291678F9D341",
198 "040081BAF91FDF9833C40F9C181343638399078C6E7EA38C001F73C8134B1B4EF9E150",
199 "0400000000000000023123953A9464B54D",
203 "03E5A88919D7CAFCBF415F07C2176573B2",
204 "04B8266A46C55657AC734CE38F018F2192",
205 "040356DCD8F2F95031AD652D23951BB366A80648F06D867940A5366D9E265DE9EB240F",
206 "0400000000000000016954A233049BA98F",
210 "0017858FEB7A98975169E171F77B4087DE098AC8A911DF7B01",
211 "00FDFB49BFE6C3A89FACADAA7A1E5BBC7CC1C2E5D831478814",
212 "0401F481BC5F0FF84A74AD6CDF6FDEF4BF6179625372D8C0C5E10025E399F2903712CCF3EA9E3A1AD17FB0B3201B6AF7CE1B05",
213 "01000000000000000000000000C7F34A778F443ACC920EBA49",
217 "0163F35A5137C2CE3EA6ED8667190B0BC43ECD69977702709B",
218 "00C9BB9E8927D4D64C377E2AB2856A5B16E3EFB7F61D4316AE",
219 "0400D9B67D192E0367C803F39E1A7E82CA14A651350AAE617E8F01CE94335607C304AC29E7DEFBD9CA01F596F927224CDECF6C",
220 "010000000000000000000000015AAB561B005413CCD4EE99D5",
224 "000000000000000000000000000000000000000000000000000000000000",
225 "000000000000000000000000000000000000000000000000000000000001",
226 "04017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD612601DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3",
227 "8000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF",
231 "000000000000000000000000000000000000000000000000000000000001",
232 "0066647EDE6C332C7F8C0923BB58213B333B20E9CE4281FE115F7D8F90AD",
233 "0400FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B01006A08A41903350678E58528BEBF8A0BEFF867A7CA36716F7E01F81052",
234 "01000000000000000000000000000013E974E72F8A6922031D2603CFE0D7",
238 "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
239 "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
240 "040060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE902374601E369050B7C4E42ACBA1DACBF04299C3460782F918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B",
241 "7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF",
245 "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
246 "0021A5C2C8EE9FEB5C4B9A753B7B476B7FD6422EF1F3DD674761FA99D6AC27C8A9A197B272822F6CD57A55AA4F50AE317B13545F",
247 "04015D4860D088DDB3496B0C6064756260441CDE4AF1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A70061B1CFAB6BE5F32BBFA78324ED106A7636B9C5A7BD198D0158AA4F5488D08F38514F1FDF4B4F40D2181B3681C364BA0273C706",
248 "010000000000000000000000000000000000000000000000000001E2AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173",
252 "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
253 "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
254 "04026EB7A859923FBC82189631F8103FE4AC9CA2970012D5D46024804801841CA44370958493B205E647DA304DB4CEB08CBBD1BA39494776FB988B47174DCA88C7E2945283A01C89720349DC807F4FBF374F4AEADE3BCA95314DD58CEC9F307A54FFC61EFC006D8A2C9D4979C0AC44AEA74FBEBBB9F772AEDCB620B01A7BA7AF1B320430C8591984F601CD4C143EF1C7A3",
255 "020000000000000000000000000000000000000000000000000000000000000000000000131850E1F19A63E4B391A8DB917F4138B630D84BE5D639381E91DEB45CFE778F637C1001",
259 "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
260 "02F40E7E2221F295DE297117B7F3D62F5C6A97FFCB8CEFF1CD6BA8CE4A9A18AD84FFABBD8EFA59332BE7AD6756A66E294AFD185A78FF12AA520E4DE739BACA0C7FFEFF7F2955727A",
261 "040303001D34B856296C16C0D40D3CD7750A93D1D2955FA80AA5F40FC8DB7B2ABDBDE53950F4C0D293CDD711A35B67FB1499AE60038614F1394ABFA3B4C850D927E1E7769C8EEC2D19037BF27342DA639B6DCCFFFEB73D69D78C6C27A6009CBBCA1980F8533921E8A684423E43BAB08A576291AF8F461BB2A8B3531D2F0485C19B16E2F1516E23DD3C1A4827AF1B8AC15B",
262 "03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE661CE18FF55987308059B186823851EC7DD9CA1161DE93D5174D66E8382E9BB2FE84E47",
266 end = rec +
sizeof(rec)/
sizeof(rec[0]);
275 "FFFFFFFE FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF 00000000 FFFFFFFF FFFFFFFF",
276 "FFFFFFFE FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF 00000000 FFFFFFFF FFFFFFFC",
277 "28E9FA9E 9D9F5E34 4D5A9E4B CF6509A7 F39789F5 15AB8F92 DDBCBD41 4D940E93",
278 "04" "32C4AE2C 1F198119 5F990446 6A39C994 8FE30BBF F2660BE1 715A4589 334C74C7" 279 "BC3736A2 F4F6779C 59BDCEE3 6B692153 D0A9877C C62A4740 02DF32E5 2139F0A0",
280 "FFFFFFFE FFFFFFFF FFFFFFFF FFFFFFFF 7203DF6B 21C6052B 53BBF409 39D54123",
283 "FFFFFFFE FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF 00000000 FFFFFFFF FFFFFFFF",
284 "FFFFFFFE FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF 00000000 FFFFFFFF FFFFFFFC",
285 "28E9FA9E 9D9F5E34 4D5A9E4B CF6509A7 F39789F5 15AB8F92 DDBCBD41 4D940E93",
286 "04" "32C4AE2C 1F198119 5F990446 6A39C994 8FE30BBF F2660BE1 715A4589 334C74C7" 287 "BC3736A2 F4F6779C 59BDCEE3 6B692153 D0A9877C C62A4740 02DF32E5 2139F0A0",
288 "FFFFFFFE FFFFFFFF FFFFFFFF FFFFFFFF 7203DF6B 21C6052B 53BBF409 39D54123",
291 "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF",
292 "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC",
293 "64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1",
294 "04188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF101207192B95FFC8DA78631011ED6B24CDD573F977A11E794811",
295 "FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831",
298 "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF",
299 "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC",
300 "5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B",
301 "046B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C2964FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5",
302 "FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551",
305 "E95E4A5F737059DC60DFC7AD95B3D8139515620F",
306 "340E7BE2A280EB74E2BE61BADA745D97E8F7C300",
307 "1E589A8595423412134FAA2DBDEC95C8D8675E58",
308 "04BED5AF16EA3F6A4F62938C4631EB5AF7BDBCDBC31667CB477A1A8EC338F94741669C976316DA6321",
309 "E95E4A5F737059DC60DF5991D45029409E60FC09",
312 "C302F41D932A36CDA7A3463093D18DB78FCE476DE1A86297",
313 "6A91174076B1E0E19C39C031FE8685C1CAE040E5C69A28EF",
314 "469A28EF7C28CCA3DC721D044F4496BCCA7EF4146FBF25C9",
315 "04C0A0647EAAB6A48753B033C56CB0F0900A2F5C4853375FD614B690866ABD5BB88B5F4828C1490002E6773FA2FA299B8F",
316 "C302F41D932A36CDA7A3462F9E9E916B5BE8F1029AC4ACC1",
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322 "040D9029AD2C7E5CF4340823B2A87DC68C9E4CE3174C1E6EFDEE12C07D58AA56F772C0726F24C6B89E4ECDAC24354B9E99CAA3F6D3761402CD",
323 "D7C134AA264366862A18302575D0FB98D116BC4B6DDEBCA3A5A7939F",
326 "A9FB57DBA1EEA9BC3E660A909D838D726E3BF623D52620282013481D1F6E5377",
327 "7D5A0975FC2C3057EEF67530417AFFE7FB8055C126DC5C6CE94A4B44F330B5D9",
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329 "048BD2AEB9CB7E57CB2C4B482FFC81B7AFB9DE27E1E3BD23C23A4453BD9ACE3262547EF835C3DAC4FD97F8461A14611DC9C27745132DED8E545C1D54C72F046997",
330 "A9FB57DBA1EEA9BC3E660A909D838D718C397AA3B561A6F7901E0E82974856A7",
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419 "00000000000000000000000000000000000000000000000000000005",
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428 "FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D",
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432 "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC",
433 "B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF",
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439 "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC",
440 "0051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00",
441 "0400C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66011839296A789A3BC0045C8A5FB42C7D1BD998F54449579B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C7086A272C24088BE94769FD16650",
442 "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409",
446 end = rec +
sizeof(rec)/
sizeof(rec[0]);
452 GetRecommendedParameters(begin, end);
454 return (it == end ?
OID() : it->oid);
460 GetRecommendedParameters(begin, end);
462 if (it == end || it->oid != oid)
468 this->m_groupPrecomputation.SetCurve(*ec);
472 bool result = GetCurve().DecodePoint(G, ssG, (
size_t)ssG.
MaxRetrievable());
473 this->SetSubgroupGenerator(G);
488 if (m_oid.m_values.empty())
491 this->ThrowIfTypeMismatch(name,
typeid(
OID), valueType);
492 *
reinterpret_cast<OID *
>(pValue) = m_oid;
496 return GetValueHelper<DL_GroupParameters<Element> >(
this, name, valueType, pValue).Assignable()
497 CRYPTOPP_GET_FUNCTION_ENTRY(
Curve);
517 Initialize(ec, G, n, k);
526 CRYPTOPP_UNUSED(rng);
531 throw NotImplemented(
"DL_GroupParameters_EC<EC>: curve generation is not implemented yet");
541 if (b == OBJECT_IDENTIFIER)
547 BERDecodeUnsigned<word32>(seq, version, INTEGER, 1, 1);
548 EllipticCurve ec(seq);
549 Point G = ec.BERDecodePoint(seq);
552 bool cofactorPresent = !seq.EndReached();
559 Initialize(ec, G, n, k);
566 if (m_encodeAsOID && !m_oid.m_values.empty())
571 DEREncodeUnsigned<word32>(seq, 1);
572 GetCurve().DEREncode(seq);
573 GetCurve().DEREncodePoint(seq, this->GetSubgroupGenerator(), m_compress);
586 Integer q = GetCurve().FieldSize();
588 m_k = (q+2*qSqrt+1)/m_n;
597 return ConvertToInteger(element.x);
603 bool pass = GetCurve().ValidateParameters(rng, level);
606 Integer q = GetCurve().FieldSize();
607 pass = pass && m_n!=q;
613 pass = pass && m_n>4*qSqrt;
617 pass = pass && (m_k.IsZero() || m_k == (q+2*qSqrt+1)/m_n);
619 pass = pass && CheckMOVCondition(q, m_n);
629 bool pass = !IsIdentity(g);
631 pass = pass && GetCurve().VerifyPoint(g);
642 if (level >= 2 && pass)
644 const Integer &q = GetSubgroupOrder();
645 Element gq = gpc ? gpc->
Exponentiate(this->GetGroupPrecomputation(), q) : this->ExponentiateElement(g, q);
646 pass = pass && IsIdentity(gq);
655 GetCurve().SimultaneousMultiply(results, base, exponents, exponentsCount);
661 return GetCurve().Add(a, b);
667 return GetCurve().CascadeMultiply(exponent1, element1, exponent2, element2);
673 return ASN1::id_ecPublicKey();
681 CRYPTOPP_UNUSED(parametersPresent);
683 typename EC::Point P;
684 if (!this->GetGroupParameters().GetCurve().DecodePoint(P, bt, size))
686 this->SetPublicElement(P);
692 this->GetGroupParameters().GetCurve().EncodePoint(bt, this->GetPublicElement(), this->GetGroupParameters().GetPointCompression());
700 CRYPTOPP_UNUSED(size);
703 BERDecodeUnsigned<word32>(seq, version, INTEGER, 1, 1);
706 if (!dec.IsDefiniteLength())
709 x.Decode(dec, (
size_t)dec.RemainingLength());
711 if (!parametersPresent && seq.PeekByte() != (CONTEXT_SPECIFIC | CONSTRUCTED | 0))
713 if (!seq.EndReached() && seq.PeekByte() == (CONTEXT_SPECIFIC | CONSTRUCTED | 0))
716 this->AccessGroupParameters().BERDecode(parameters);
717 parameters.MessageEnd();
719 if (!seq.EndReached())
723 unsigned int unusedBits;
726 publicKey.MessageEnd();
728 if (!(unusedBits == 0 && this->GetGroupParameters().GetCurve().DecodePoint(Q, subjectPublicKey, subjectPublicKey.
size())))
733 this->SetPrivateExponent(x);
740 DEREncodeUnsigned<word32>(privateKey, 1);
743 this->GetPrivateExponent().DEREncodeAsOctetString(privateKey, this->GetGroupParameters().GetSubgroupOrder().ByteCount());
744 privateKey.MessageEnd();
752 CRYPTOPP_UNUSED(parametersPresent);
754 typename EC::Point P;
755 if (!this->GetGroupParameters().GetCurve().DecodePoint(P, bt, size))
757 this->SetPublicElement(P);
763 this->GetGroupParameters().GetCurve().EncodePoint(bt, this->GetPublicElement(), this->GetGroupParameters().GetPointCompression());
771 CRYPTOPP_UNUSED(size);
774 BERDecodeUnsigned<word32>(seq, version, INTEGER, 1, 1);
777 if (!dec.IsDefiniteLength())
780 x.Decode(dec, (
size_t)dec.RemainingLength());
782 if (!parametersPresent && seq.PeekByte() != (CONTEXT_SPECIFIC | CONSTRUCTED | 0))
784 if (!seq.EndReached() && seq.PeekByte() == (CONTEXT_SPECIFIC | CONSTRUCTED | 0))
787 this->AccessGroupParameters().BERDecode(parameters);
788 parameters.MessageEnd();
790 if (!seq.EndReached())
794 unsigned int unusedBits;
797 publicKey.MessageEnd();
799 if (!(unusedBits == 0 && this->GetGroupParameters().GetCurve().DecodePoint(Q, subjectPublicKey, subjectPublicKey.
size())))
804 this->SetPrivateExponent(x);
811 DEREncodeUnsigned<word32>(privateKey, 1);
814 this->GetPrivateExponent().DEREncodeAsOctetString(privateKey, this->GetGroupParameters().GetSubgroupOrder().ByteCount());
815 privateKey.MessageEnd();
Standard names for retrieving values by name when working with NameValuePairs.
An invalid argument was detected.
void BERDecodePrivateKey(BufferedTransformation &bt, bool parametersPresent, size_t size)
decode privateKey part of privateKeyInfo, without the OCTET STRING header
void DEREncodePublicKey(BufferedTransformation &bt) const
encode subjectPublicKey part of subjectPublicKeyInfo, without the BIT STRING header ...
virtual Element Exponentiate(const DL_GroupPrecomputation< Element > &group, const Integer &exponent) const =0
Exponentiates an element.
bool ValidateGroup(RandomNumberGenerator &rng, unsigned int level) const
Check the group for errors.
Utility functions for the Crypto++ library.
void AssignFrom(const NameValuePairs &source)
Assign values to this object.
T GetValueWithDefault(const char *name, T defaultValue) const
Get a named value.
GF(2^n) with Trinomial Basis.
Elliptic Curve over GF(p), where p is prime.
Decode base 16 data back to bytes.
ASN.1 object identifiers for algorthms and schemes.
Classes for automatic resource management.
Library configuration file.
Interface for random number generators.
void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg)
this implementation doesn't actually generate a curve, it just initializes the parameters with existi...
String-based implementation of the Source interface.
static const Integer & One()
Integer representing 1.
Polynomial with Coefficients in GF(2)
Integer GetCofactor() const
Retrieves the cofactor.
Pointer that overloads operator ->
Classes for Elliptic Curves over binary fields.
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const
Get a named value.
void DEREncodePublicKey(BufferedTransformation &bt) const
encode subjectPublicKey part of subjectPublicKeyInfo, without the BIT STRING header ...
MQV domain for performing authenticated key agreement.
A method was called which was not implemented.
bool VerifyPrime(RandomNumberGenerator &rng, const Integer &p, unsigned int level=1)
Verifies a prime number.
Classes for HexEncoder and HexDecoder.
const char * GroupOID()
OID.
Multiple precision integer with arithmetic operations.
Elliptic Curve over GF(2^n)
void DEREncodePrivateKey(BufferedTransformation &bt) const
encode privateKey part of privateKeyInfo, without the OCTET STRING header
void BERDecodePublicKey(BufferedTransformation &bt, bool parametersPresent, size_t size)
decode subjectPublicKey part of subjectPublicKeyInfo, without the BIT STRING header ...
const char * SubgroupGenerator()
Integer, ECP::Point, or EC2N::Point.
bool IsEven() const
Determines if the Integer is even parity.
#define CRYPTOPP_ASSERT(exp)
Debugging and diagnostic assertion.
void BERDecodeError()
Raises a BERDecodeErr.
Classes and functions for working with ANS.1 objects.
DL_FixedBasePrecomputation interface.
Elliptic Curve Parameters.
void GetRequiredParameter(const char *className, const char *name, T &value) const
Retrieves a required name/value pair.
unsigned int BitCount() const
Determines the number of bits required to represent the Integer.
Implementation of BufferedTransformation's attachment interface.
GF(2^n) with Pentanomial Basis.
Classes and functions for number theoretic operations.
const char * Cofactor()
Integer.
Exception thrown when an unknown object identifier is encountered.
Multiple precision integer with arithmetic operations.
static const Integer & Zero()
Integer representing 0.
void Initialize(const EllipticCurve &ec, const Point &G, const Integer &n, const Integer &k=Integer::Zero())
Initialize an EC GroupParameters using {EC,G,n,k}.
void DEREncodePrivateKey(BufferedTransformation &bt) const
encode privateKey part of privateKeyInfo, without the OCTET STRING header
size_t BERDecodeBitString(BufferedTransformation &bt, SecByteBlock &str, unsigned int &unusedBits)
DER decode bit string.
void BERDecode(const byte *input, size_t inputLen)
Decode from BER format.
Classes and functions for Elliptic Curves over prime and binary fields.
Crypto++ library namespace.
bool GetValue(const char *name, T &value) const
Get a named value.
const char * Curve()
ECP or EC2N.
Integer SquareRoot() const
Extract square root.
const char * SubgroupOrder()
Integer.
void BERDecodePublicKey(BufferedTransformation &bt, bool parametersPresent, size_t size)
decode subjectPublicKey part of subjectPublicKeyInfo, without the BIT STRING header ...
size_type size() const
Provides the count of elements in the SecBlock.
void BERDecodePrivateKey(BufferedTransformation &bt, bool parametersPresent, size_t size)
decode privateKey part of privateKeyInfo, without the OCTET STRING header
Interface for retrieving values given their names.
Template implementing constructors for public key algorithm classes.