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-/*
- Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; version 2 of the License.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- MA 02110-1301 USA.
-*/
-
-/* asn.hpp provides ASN1 BER, PublicKey, and x509v3 decoding
-*/
-
-
-#ifndef TAO_CRYPT_ASN_HPP
-#define TAO_CRYPT_ASN_HPP
-
-
-#include <time.h>
-#include "misc.hpp"
-#include "block.hpp"
-#include "error.hpp"
-#ifdef USE_SYS_STL
- #include <list>
-#else
- #include "list.hpp"
-#endif
-
-
-namespace STL = STL_NAMESPACE;
-
-
-namespace TaoCrypt {
-
-// these tags and flags are not complete
-enum ASNTag
-{
- BOOLEAN = 0x01,
- INTEGER = 0x02,
- BIT_STRING = 0x03,
- OCTET_STRING = 0x04,
- TAG_NULL = 0x05,
- OBJECT_IDENTIFIER = 0x06,
- OBJECT_DESCRIPTOR = 0x07,
- EXTERNAL = 0x08,
- REAL = 0x09,
- ENUMERATED = 0x0a,
- UTF8_STRING = 0x0c,
- SEQUENCE = 0x10,
- SET = 0x11,
- NUMERIC_STRING = 0x12,
- PRINTABLE_STRING = 0x13,
- T61_STRING = 0x14,
- VIDEOTEXT_STRING = 0x15,
- IA5_STRING = 0x16,
- UTC_TIME = 0x17,
- GENERALIZED_TIME = 0x18,
- GRAPHIC_STRING = 0x19,
- VISIBLE_STRING = 0x1a,
- GENERAL_STRING = 0x1b,
- LONG_LENGTH = 0x80
-};
-
-enum ASNIdFlag
-{
- UNIVERSAL = 0x00,
- DATA = 0x01,
- HEADER = 0x02,
- CONSTRUCTED = 0x20,
- APPLICATION = 0x40,
- CONTEXT_SPECIFIC = 0x80,
- PRIVATE = 0xc0
-};
-
-
-enum DNTags
-{
- COMMON_NAME = 0x03, // CN
- SUR_NAME = 0x04, // SN
- COUNTRY_NAME = 0x06, // C
- LOCALITY_NAME = 0x07, // L
- STATE_NAME = 0x08, // ST
- ORG_NAME = 0x0a, // O
- ORGUNIT_NAME = 0x0b // OU
-};
-
-
-enum PCKS12_Tags
-{
- /* DATA = 1, */ // from ASN1
- SIGNED_DATA = 2,
- ENVELOPED_DATA = 3,
- SIGNED_AND_ENVELOPED_DATA = 4,
- DIGESTED_DATA = 5,
- ENCRYPTED_DATA = 6
-};
-
-
-enum Constants
-{
- MIN_DATE_SZ = 13,
- MAX_DATE_SZ = 16,
- MAX_ALGO_SZ = 16,
- MAX_LENGTH_SZ = 5,
- MAX_SEQ_SZ = 5, // enum(seq|con) + length(4)
- MAX_ALGO_SIZE = 9,
- MAX_DIGEST_SZ = 69, // SHA512 + enum(Bit or Octet) + length(4)
- DSA_SIG_SZ = 40,
- ASN_NAME_MAX = 512 // max total of all included names
-};
-
-
-class Source;
-class RSA_PublicKey;
-class RSA_PrivateKey;
-class DSA_PublicKey;
-class DSA_PrivateKey;
-class Integer;
-class DH;
-
-
-// General BER decoding
-class BER_Decoder : public virtual_base {
-protected:
- Source& source_;
-public:
- explicit BER_Decoder(Source& s) : source_(s) {}
- virtual ~BER_Decoder() {}
-
- Integer& GetInteger(Integer&);
- word32 GetSequence();
- word32 GetSet();
- word32 GetVersion();
- word32 GetExplicitVersion();
-
- Error GetError();
-private:
- virtual void ReadHeader() = 0;
-
- BER_Decoder(const BER_Decoder&); // hide copy
- BER_Decoder& operator=(const BER_Decoder&); // and assign
-};
-
-
-// RSA Private Key BER Decoder
-class RSA_Private_Decoder : public BER_Decoder {
-public:
- explicit RSA_Private_Decoder(Source& s) : BER_Decoder(s) {}
- void Decode(RSA_PrivateKey&);
-private:
- void ReadHeader();
-};
-
-
-// RSA Public Key BER Decoder
-class RSA_Public_Decoder : public BER_Decoder {
-public:
- explicit RSA_Public_Decoder(Source& s) : BER_Decoder(s) {}
- void Decode(RSA_PublicKey&);
-private:
- void ReadHeader();
- void ReadHeaderOpenSSL();
-};
-
-
-// DSA Private Key BER Decoder
-class DSA_Private_Decoder : public BER_Decoder {
-public:
- explicit DSA_Private_Decoder(Source& s) : BER_Decoder(s) {}
- void Decode(DSA_PrivateKey&);
-private:
- void ReadHeader();
-};
-
-
-// DSA Public Key BER Decoder
-class DSA_Public_Decoder : public BER_Decoder {
-public:
- explicit DSA_Public_Decoder(Source& s) : BER_Decoder(s) {}
- void Decode(DSA_PublicKey&);
-private:
- void ReadHeader();
-};
-
-
-// DH Key BER Decoder
-class DH_Decoder : public BER_Decoder {
-public:
- explicit DH_Decoder(Source& s) : BER_Decoder(s) {}
- void Decode(DH&);
-private:
- void ReadHeader();
-};
-
-
-// PKCS12 BER Decoder
-class PKCS12_Decoder : public BER_Decoder {
-public:
- explicit PKCS12_Decoder(Source& s) : BER_Decoder(s) {}
- void Decode();
-private:
- void ReadHeader();
-};
-
-
-// General PublicKey
-class PublicKey {
- byte* key_;
- word32 sz_;
-public:
- explicit PublicKey(const byte* k = 0, word32 s = 0);
- ~PublicKey() { tcArrayDelete(key_); }
-
- const byte* GetKey() const { return key_; }
- word32 size() const { return sz_; }
-
- void SetKey(const byte*);
- void SetSize(word32 s);
-
- void AddToEnd(const byte*, word32);
-private:
- PublicKey(const PublicKey&); // hide copy
- PublicKey& operator=(const PublicKey&); // and assign
-};
-
-
-enum { SHA_SIZE = 20 };
-
-
-// A Signing Authority
-class Signer {
- PublicKey key_;
- char name_[ASN_NAME_MAX];
- byte hash_[SHA_SIZE];
-public:
- Signer(const byte* k, word32 kSz, const char* n, const byte* h);
- ~Signer();
-
- const PublicKey& GetPublicKey() const { return key_; }
- const char* GetName() const { return name_; }
- const byte* GetHash() const { return hash_; }
-
-private:
- Signer(const Signer&); // hide copy
- Signer& operator=(const Signer&); // and assign
-};
-
-
-typedef STL::list<Signer*> SignerList;
-
-
-enum ContentType { HUH = 651 };
-enum SigType { SHAwDSA = 517, MD2wRSA = 646, MD5wRSA = 648, SHAwRSA = 649,
- SHA256wRSA = 655, SHA384wRSA = 656, SHA512wRSA = 657,
- SHA256wDSA = 416 };
-enum HashType { MD2h = 646, MD5h = 649, SHAh = 88, SHA256h = 414, SHA384h = 415,
- SHA512h = 416 };
-enum KeyType { DSAk = 515, RSAk = 645 }; // sums of algo OID
-
-
-// an x509v Certificate BER Decoder
-class CertDecoder : public BER_Decoder {
-public:
- enum DateType { BEFORE, AFTER };
- enum NameType { ISSUER, SUBJECT };
- enum CertType { CA, USER };
-
- explicit CertDecoder(Source&, bool decode = true, SignerList* sl = 0,
- bool noVerify = false, CertType ct = USER);
- ~CertDecoder();
-
- const PublicKey& GetPublicKey() const { return key_; }
- KeyType GetKeyType() const { return KeyType(keyOID_); }
- const char* GetIssuer() const { return issuer_; }
- const char* GetCommonName() const { return subject_; }
- const byte* GetHash() const { return subjectHash_; }
- const char* GetBeforeDate() const { return beforeDate_; }
- byte GetBeforeDateType() const { return beforeDateType_; }
- const char* GetAfterDate() const { return afterDate_; }
- byte GetAfterDateType() const { return afterDateType_; }
- int GetSubjectCnStart() const { return subCnPos_; }
- int GetIssuerCnStart() const { return issCnPos_; }
- int GetSubjectCnLength() const { return subCnLen_; }
- int GetIssuerCnLength() const { return issCnLen_; }
- void DecodeToKey();
-private:
- PublicKey key_;
- word32 certBegin_; // offset to start of cert
- word32 sigIndex_; // offset to start of signature
- word32 sigLength_; // length of signature
- word32 signatureOID_; // sum of algorithm object id
- word32 keyOID_; // sum of key algo object id
- int subCnPos_; // subject common name start, -1 is none
- int subCnLen_; // length of above
- int issCnPos_; // issuer common name start, -1 is none
- int issCnLen_; // length of above
- byte subjectHash_[SHA_SIZE]; // hash of all Names
- byte issuerHash_[SHA_SIZE]; // hash of all Names
- byte* signature_;
- char issuer_[ASN_NAME_MAX]; // Names
- char subject_[ASN_NAME_MAX]; // Names
- char beforeDate_[MAX_DATE_SZ+1]; // valid before date, +null term
- byte beforeDateType_; // beforeDate time type
- char afterDate_[MAX_DATE_SZ+1]; // valid after date, +null term
- byte afterDateType_; // afterDate time type
- bool verify_; // Default to yes, but could be off
-
- void ReadHeader();
- void Decode(SignerList*, CertType);
- void StoreKey();
- void AddDSA();
- bool ValidateSelfSignature();
- bool ValidateSignature(SignerList*);
- bool ConfirmSignature(Source&);
- void GetKey();
- char* AddTag(char*, const char*, const char*, word32, word32);
- void GetName(NameType);
- void GetValidity();
- void GetDate(DateType);
- void GetCompareHash(const byte*, word32, byte*, word32);
- word32 GetAlgoId();
- word32 GetSignature();
- word32 GetDigest();
-};
-
-
-word32 GetLength(Source&);
-
-word32 SetLength(word32, byte*);
-word32 SetSequence(word32, byte*);
-
-word32 EncodeDSA_Signature(const byte* signature, byte* output);
-word32 EncodeDSA_Signature(const Integer& r, const Integer& s, byte* output);
-word32 DecodeDSA_Signature(byte* decoded, const byte* encoded, word32 sz);
-
-
-// General DER encoding
-class DER_Encoder : public virtual_base {
-public:
- DER_Encoder() {}
- virtual ~DER_Encoder() {}
-
- word32 SetAlgoID(HashType, byte*);
-
- Error GetError() const { return error_; }
-private:
- //virtual void WriteHeader() = 0;
- Error error_;
-
- DER_Encoder(const DER_Encoder&); // hide copy
- DER_Encoder& operator=(const DER_Encoder&); // and assign
-};
-
-
-
-class Signature_Encoder : public DER_Encoder {
- const byte* digest_;
- word32 digestSz_;
- SigType digestOID_;
-public:
- explicit Signature_Encoder(const byte*, word32, HashType, Source&);
-
-private:
- void WriteHeader();
- word32 SetDigest(const byte*, word32, byte*);
-
- Signature_Encoder(const Signature_Encoder&); // hide copy
- Signature_Encoder& operator=(const Signature_Encoder&); // and assign
-};
-
-
-// Get Cert in PEM format from BEGIN to END
-int GetCert(Source&);
-
-// Get Cert in PEM format from pkcs12 file
-int GetPKCS_Cert(const char* password, Source&);
-
-bool ASN1_TIME_extract(const unsigned char* date, unsigned char format,
- tm *parsed_time);
-
-} // namespace
-
-
-#endif // TAO_CRYPT_ASN_HPP
generated by cgit v1.1 at 2024-04-27 01:15:12 +0000