asn.h

00001 /* asn.h
00002  *
00003  * Copyright (C) 2006-2013 wolfSSL Inc.
00004  *
00005  * This file is part of CyaSSL.
00006  *
00007  * CyaSSL is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2 of the License, or
00010  * (at your option) any later version.
00011  *
00012  * CyaSSL is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
00020  */
00021 
00022 #ifndef NO_ASN
00023 
00024 #ifndef CTAO_CRYPT_ASN_H
00025 #define CTAO_CRYPT_ASN_H
00026 
00027 #include <cyassl/ctaocrypt/types.h>
00028 #include <cyassl/ctaocrypt/rsa.h>
00029 #include <cyassl/ctaocrypt/dh.h>
00030 #include <cyassl/ctaocrypt/dsa.h>
00031 #include <cyassl/ctaocrypt/sha.h>
00032 #include <cyassl/ctaocrypt/md5.h>
00033 #include <cyassl/ctaocrypt/asn_public.h>   /* public interface */
00034 #ifdef HAVE_ECC
00035     #include <cyassl/ctaocrypt/ecc.h>
00036 #endif
00037 
00038 #ifdef __cplusplus
00039     extern "C" {
00040 #endif
00041 
00042 
00043 enum {
00044     ISSUER  = 0,
00045     SUBJECT = 1,
00046 
00047     EXTERNAL_SERIAL_SIZE = 32,
00048 
00049     BEFORE  = 0,
00050     AFTER   = 1
00051 };
00052 
00053 /* ASN Tags   */
00054 enum ASN_Tags {        
00055     ASN_BOOLEAN           = 0x01,
00056     ASN_INTEGER           = 0x02,
00057     ASN_BIT_STRING        = 0x03,
00058     ASN_OCTET_STRING      = 0x04,
00059     ASN_TAG_NULL          = 0x05,
00060     ASN_OBJECT_ID         = 0x06,
00061     ASN_ENUMERATED        = 0x0a,
00062     ASN_UTF8STRING        = 0x0c,
00063     ASN_SEQUENCE          = 0x10,
00064     ASN_SET               = 0x11,
00065     ASN_UTC_TIME          = 0x17,
00066     ASN_OTHER_TYPE        = 0x00,
00067     ASN_DNS_TYPE          = 0x02,
00068     ASN_GENERALIZED_TIME  = 0x18,
00069     CRL_EXTENSIONS        = 0xa0,
00070     ASN_EXTENSIONS        = 0xa3,
00071     ASN_LONG_LENGTH       = 0x80
00072 };
00073 
00074 enum  ASN_Flags{
00075     ASN_CONSTRUCTED       = 0x20,
00076     ASN_CONTEXT_SPECIFIC  = 0x80
00077 };
00078 
00079 enum DN_Tags {
00080     ASN_COMMON_NAME   = 0x03,   /* CN */
00081     ASN_SUR_NAME      = 0x04,   /* SN */
00082     ASN_SERIAL_NUMBER = 0x05,   /* serialNumber */
00083     ASN_COUNTRY_NAME  = 0x06,   /* C  */
00084     ASN_LOCALITY_NAME = 0x07,   /* L  */
00085     ASN_STATE_NAME    = 0x08,   /* ST */
00086     ASN_ORG_NAME      = 0x0a,   /* O  */
00087     ASN_ORGUNIT_NAME  = 0x0b    /* OU */
00088 };
00089 
00090 enum PBES {
00091     PBE_MD5_DES      = 0,
00092     PBE_SHA1_DES     = 1,
00093     PBE_SHA1_DES3    = 2,
00094     PBE_SHA1_RC4_128 = 3,
00095     PBES2            = 13       /* algo ID */
00096 };
00097 
00098 enum ENCRYPTION_TYPES {
00099     DES_TYPE  = 0,
00100     DES3_TYPE = 1,
00101     RC4_TYPE  = 2
00102 };
00103 
00104 enum ECC_TYPES {
00105     ECC_PREFIX_0 = 160,
00106     ECC_PREFIX_1 = 161
00107 };
00108 
00109 enum Misc_ASN { 
00110     ASN_NAME_MAX        = 256,
00111     MAX_SALT_SIZE       =  64,     /* MAX PKCS Salt length */
00112     MAX_IV_SIZE         =  64,     /* MAX PKCS Iv length */
00113     MAX_KEY_SIZE        =  64,     /* MAX PKCS Key  length */
00114     PKCS5               =   5,     /* PKCS oid tag */
00115     PKCS5v2             =   6,     /* PKCS #5 v2.0 */
00116     PKCS12              =  12,     /* PKCS #12 */
00117     MAX_UNICODE_SZ      = 256,
00118     ASN_BOOL_SIZE       =   2,     /* including type */
00119     SHA_SIZE            =  20,
00120     RSA_INTS            =   8,     /* RSA ints in private key */
00121     MIN_DATE_SIZE       =  13,
00122     MAX_DATE_SIZE       =  32,
00123     ASN_GEN_TIME_SZ     =  15,     /* 7 numbers * 2 + Zulu tag */
00124     MAX_ENCODED_SIG_SZ  = 512,
00125     MAX_SIG_SZ          = 256,
00126     MAX_ALGO_SZ         =  20,
00127     MAX_SEQ_SZ          =   5,     /* enum(seq | con) + length(4) */  
00128     MAX_SET_SZ          =   5,     /* enum(set | con) + length(4) */  
00129     MAX_OCTET_STR_SZ    =   5,     /* enum(set | con) + length(4) */
00130     MAX_EXP_SZ          =   5,     /* enum(contextspec|con|exp) + length(4) */
00131     MAX_PRSTR_SZ        =   5,     /* enum(prstr) + length(4) */
00132     MAX_VERSION_SZ      =   5,     /* enum + id + version(byte) + (header(2))*/
00133     MAX_ENCODED_DIG_SZ  =  73,     /* sha512 + enum(bit or octet) + legnth(4) */
00134     MAX_RSA_INT_SZ      = 517,     /* RSA raw sz 4096 for bits + tag + len(4) */
00135     MAX_NTRU_KEY_SZ     = 610,     /* NTRU 112 bit public key */
00136     MAX_NTRU_ENC_SZ     = 628,     /* NTRU 112 bit DER public encoding */
00137     MAX_LENGTH_SZ       =   4,     /* Max length size for DER encoding */
00138     MAX_RSA_E_SZ        =  16,     /* Max RSA public e size */
00139     MAX_CA_SZ           =  32,     /* Max encoded CA basic constraint length */
00140     MAX_SN_SZ           =  35,     /* Max encoded serial number (INT) length */
00141 #ifdef CYASSL_CERT_GEN
00142     #ifdef CYASSL_CERT_REQ
00143                           /* Max encoded cert req attributes length */
00144         MAX_ATTRIB_SZ   = MAX_SEQ_SZ * 3 + (11 + MAX_SEQ_SZ) * 2 +
00145                           MAX_PRSTR_SZ + CTC_NAME_SIZE, /* 11 is the OID size */
00146     #endif
00147     #ifdef CYASSL_ALT_NAMES
00148         MAX_EXTENSIONS_SZ   = 1 + MAX_LENGTH_SZ + CTC_MAX_ALT_SIZE,
00149     #else
00150         MAX_EXTENSIONS_SZ   = 1 + MAX_LENGTH_SZ + MAX_CA_SZ,
00151     #endif
00152                                    /* Max total extensions, id + len + others */
00153 #endif
00154     MAX_OCSP_EXT_SZ     = 58,      /* Max OCSP Extension length */
00155     MAX_OCSP_NONCE_SZ   = 18,      /* OCSP Nonce size           */
00156     EIGHTK_BUF          = 8192,    /* Tmp buffer size           */
00157     MAX_PUBLIC_KEY_SZ   = MAX_NTRU_ENC_SZ + MAX_ALGO_SZ + MAX_SEQ_SZ * 2
00158                                    /* use bigger NTRU size */
00159 };
00160 
00161 
00162 enum Oid_Types {
00163     hashType  = 0,
00164     sigType   = 1,
00165     keyType   = 2,
00166     curveType = 3,
00167     blkType   = 4
00168 };
00169 
00170 
00171 enum Hash_Sum  {
00172     MD2h    = 646,
00173     MD5h    = 649,
00174     SHAh    =  88,
00175     SHA256h = 414,
00176     SHA384h = 415,
00177     SHA512h = 416
00178 };
00179 
00180 
00181 enum Block_Sum {
00182     DESb  = 69,
00183     DES3b = 652
00184 };
00185 
00186 
00187 enum Key_Sum {
00188     DSAk   = 515,
00189     RSAk   = 645,
00190     NTRUk  = 364,
00191     ECDSAk = 518
00192 };
00193 
00194 
00195 enum Ecc_Sum {
00196     ECC_256R1 = 526,
00197     ECC_384R1 = 210,
00198     ECC_521R1 = 211,
00199     ECC_160R1 = 184,
00200     ECC_192R1 = 520,
00201     ECC_224R1 = 209
00202 };
00203 
00204 
00205 enum KDF_Sum {
00206     PBKDF2_OID = 660
00207 };
00208 
00209 
00210 enum Extensions_Sum {
00211     BASIC_CA_OID    = 133,
00212     ALT_NAMES_OID   = 131,
00213     CRL_DIST_OID    = 145,
00214     AUTH_INFO_OID   = 69,
00215     CA_ISSUER_OID   = 117,
00216     AUTH_KEY_OID    = 149,
00217     SUBJ_KEY_OID    = 128,
00218     CERT_POLICY_OID = 146,
00219     KEY_USAGE_OID   = 129,  /* 2.5.29.15 */
00220     INHIBIT_ANY_OID = 168,  /* 2.5.29.54 */
00221     EXT_KEY_USAGE_OID = 151, /* 2.5.29.37 */
00222 };
00223 
00224 enum CertificatePolicy_Sum {
00225     CP_ANY_OID      = 146  /* id-ce 32 0 */
00226 };
00227 
00228 enum SepHardwareName_Sum {
00229     HW_NAME_OID     = 79   /* 1.3.6.1.5.5.7.8.4 from RFC 4108*/
00230 };
00231 
00232 enum AuthInfo_Sum {
00233     AIA_OCSP_OID      = 116, /* 1.3.6.1.5.5.7.48.1 */
00234     AIA_CA_ISSUER_OID = 117  /* 1.3.6.1.5.5.7.48.2 */
00235 };
00236 
00237 enum ExtKeyUsage_Sum { /* From RFC 5280 */
00238     EKU_ANY_OID         = 151, /* 2.5.29.37.0, anyExtendedKeyUsage         */
00239     EKU_SERVER_AUTH_OID = 71,  /* 1.3.6.1.5.5.7.3.1, id-kp-serverAuth      */
00240     EKU_CLIENT_AUTH_OID = 72,  /* 1.3.6.1.5.5.7.3.2, id-kp-clientAuth      */
00241     EKU_OCSP_SIGN_OID   = 79,  /* 1.3.6.1.5.5.7.3.9, OCSPSigning           */
00242 };
00243 
00244 
00245 enum VerifyType {
00246     NO_VERIFY = 0,
00247     VERIFY    = 1
00248 };
00249 
00250 
00251 /* Key usage extension bits */
00252 #define KEYUSE_DIGITAL_SIG    0x0100
00253 #define KEYUSE_CONTENT_COMMIT 0x0080
00254 #define KEYUSE_KEY_ENCIPHER   0x0040
00255 #define KEYUSE_DATA_ENCIPHER  0x0020
00256 #define KEYUSE_KEY_AGREE      0x0010
00257 #define KEYUSE_KEY_CERT_SIGN  0x0008
00258 #define KEYUSE_CRL_SIGN       0x0004
00259 #define KEYUSE_ENCIPHER_ONLY  0x0002
00260 #define KEYUSE_DECIPHER_ONLY  0x0001
00261 
00262 #define EXTKEYUSE_ANY         0x08
00263 #define EXTKEYUSE_OCSP_SIGN   0x04
00264 #define EXTKEYUSE_CLIENT_AUTH 0x02
00265 #define EXTKEYUSE_SERVER_AUTH 0x01
00266 
00267 typedef struct DNS_entry   DNS_entry;
00268 
00269 struct DNS_entry {
00270     DNS_entry* next;   /* next on DNS list */
00271     char*      name;   /* actual DNS name */
00272 };
00273 
00274 
00275 struct DecodedName {
00276     char*   fullName;
00277     int     fullNameLen;
00278     int     entryCount;
00279     int     cnIdx;
00280     int     cnLen;
00281     int     snIdx;
00282     int     snLen;
00283     int     cIdx;
00284     int     cLen;
00285     int     lIdx;
00286     int     lLen;
00287     int     stIdx;
00288     int     stLen;
00289     int     oIdx;
00290     int     oLen;
00291     int     ouIdx;
00292     int     ouLen;
00293     int     emailIdx;
00294     int     emailLen;
00295     int     uidIdx;
00296     int     uidLen;
00297     int     serialIdx;
00298     int     serialLen;
00299 };
00300 
00301 
00302 typedef struct DecodedCert DecodedCert;
00303 typedef struct DecodedName DecodedName;
00304 typedef struct Signer      Signer;
00305 
00306 
00307 struct DecodedCert {
00308     byte*   publicKey;
00309     word32  pubKeySize;
00310     int     pubKeyStored;
00311     word32  certBegin;               /* offset to start of cert          */
00312     word32  sigIndex;                /* offset to start of signature     */
00313     word32  sigLength;               /* length of signature              */
00314     word32  signatureOID;            /* sum of algorithm object id       */
00315     word32  keyOID;                  /* sum of key algo  object id       */
00316     int     version;                 /* cert version, 1 or 3             */
00317     DNS_entry* altNames;             /* alt names list of dns entries    */
00318     byte    subjectHash[SHA_SIZE];   /* hash of all Names                */
00319     byte    issuerHash[SHA_SIZE];    /* hash of all Names                */
00320 #ifdef HAVE_OCSP
00321     byte    issuerKeyHash[SHA_SIZE]; /* hash of the public Key           */
00322 #endif /* HAVE_OCSP */
00323     byte*   signature;               /* not owned, points into raw cert  */
00324     char*   subjectCN;               /* CommonName                       */
00325     int     subjectCNLen;
00326     int     subjectCNStored;         /* have we saved a copy we own      */
00327     char    issuer[ASN_NAME_MAX];    /* full name including common name  */
00328     char    subject[ASN_NAME_MAX];   /* full name including common name  */
00329     int     verify;                  /* Default to yes, but could be off */
00330     byte*   source;                  /* byte buffer holder cert, NOT owner */
00331     word32  srcIdx;                  /* current offset into buffer       */
00332     word32  maxIdx;                  /* max offset based on init size    */
00333     void*   heap;                    /* for user memory overrides        */
00334     byte    serial[EXTERNAL_SERIAL_SIZE];  /* raw serial number          */
00335     int     serialSz;                /* raw serial bytes stored */
00336     byte*   extensions;              /* not owned, points into raw cert  */
00337     int     extensionsSz;            /* length of cert extensions */
00338     word32  extensionsIdx;           /* if want to go back and parse later */
00339     byte*   extAuthInfo;             /* Authority Information Access URI */
00340     int     extAuthInfoSz;           /* length of the URI                */
00341     byte*   extCrlInfo;              /* CRL Distribution Points          */
00342     int     extCrlInfoSz;            /* length of the URI                */
00343     byte    extSubjKeyId[SHA_SIZE];  /* Subject Key ID                   */
00344     byte    extSubjKeyIdSet;         /* Set when the SKID was read from cert */
00345     byte    extAuthKeyId[SHA_SIZE];  /* Authority Key ID                 */
00346     byte    extAuthKeyIdSet;         /* Set when the AKID was read from cert */
00347     byte    isCA;                    /* CA basic constraint true         */
00348     byte    extKeyUsageSet;
00349     word16  extKeyUsage;             /* Key usage bitfield               */
00350     byte    extExtKeyUsageSet;       /* Extended Key Usage               */
00351     byte    extExtKeyUsage;          /* Extended Key usage bitfield      */
00352 #ifdef OPENSSL_EXTRA
00353     byte    extBasicConstSet;
00354     byte    extBasicConstCrit;
00355     byte    extBasicConstPlSet;
00356     word32  pathLength;              /* CA basic constraint path length, opt */
00357     byte    extSubjAltNameSet;
00358     byte    extSubjAltNameCrit;
00359     byte    extAuthKeyIdCrit;
00360     byte    extSubjKeyIdCrit;
00361     byte    extKeyUsageCrit;
00362     byte    extExtKeyUsageCrit;
00363     byte*   extExtKeyUsageSrc;
00364     word32  extExtKeyUsageSz;
00365     word32  extExtKeyUsageCount;
00366     byte*   extAuthKeyIdSrc;
00367     word32  extAuthKeyIdSz;
00368     byte*   extSubjKeyIdSrc;
00369     word32  extSubjKeyIdSz;
00370 #endif
00371 #ifdef HAVE_ECC
00372     word32  pkCurveOID;           /* Public Key's curve OID */
00373 #endif /* HAVE_ECC */
00374     byte*   beforeDate;
00375     int     beforeDateLen;
00376     byte*   afterDate;
00377     int     afterDateLen;
00378 #ifdef HAVE_PKCS7
00379     byte*   issuerRaw;               /* pointer to issuer inside source */
00380     int     issuerRawLen;
00381 #endif
00382 #if defined(CYASSL_CERT_GEN)
00383     /* easy access to subject info for other sign */
00384     char*   subjectSN;
00385     int     subjectSNLen;
00386     char*   subjectC;
00387     int     subjectCLen;
00388     char*   subjectL;
00389     int     subjectLLen;
00390     char*   subjectST;
00391     int     subjectSTLen;
00392     char*   subjectO;
00393     int     subjectOLen;
00394     char*   subjectOU;
00395     int     subjectOULen;
00396     char*   subjectEmail;
00397     int     subjectEmailLen;
00398 #endif /* CYASSL_CERT_GEN */
00399 #ifdef OPENSSL_EXTRA
00400     DecodedName issuerName;
00401     DecodedName subjectName;
00402 #endif /* OPENSSL_EXTRA */
00403 #ifdef CYASSL_SEP
00404     int     deviceTypeSz;
00405     byte*   deviceType;
00406     int     hwTypeSz;
00407     byte*   hwType;
00408     int     hwSerialNumSz;
00409     byte*   hwSerialNum;
00410     #ifdef OPENSSL_EXTRA
00411         byte    extCertPolicySet;
00412         byte    extCertPolicyCrit;
00413     #endif /* OPENSSL_EXTRA */
00414 #endif /* CYASSL_SEP */
00415 };
00416 
00417 
00418 #ifdef SHA_DIGEST_SIZE
00419     #define SIGNER_DIGEST_SIZE SHA_DIGEST_SIZE
00420 #else
00421     #define SIGNER_DIGEST_SIZE 20 
00422 #endif
00423 
00424 /* CA Signers */
00425 /* if change layout change PERSIST_CERT_CACHE functions too */
00426 struct Signer {
00427     word32  pubKeySize;
00428     word32  keyOID;                  /* key type */
00429     byte*   publicKey;
00430     int     nameLen;
00431     char*   name;                    /* common name */
00432     byte    subjectNameHash[SIGNER_DIGEST_SIZE];
00433                                      /* sha hash of names in certificate */
00434     #ifndef NO_SKID
00435         byte    subjectKeyIdHash[SIGNER_DIGEST_SIZE];
00436                                      /* sha hash of names in certificate */
00437     #endif
00438     Signer* next;
00439 };
00440 
00441 
00442 /* not for public consumption but may use for testing sometimes */
00443 #ifdef CYASSL_TEST_CERT
00444     #define CYASSL_TEST_API CYASSL_API
00445 #else
00446     #define CYASSL_TEST_API CYASSL_LOCAL
00447 #endif
00448 
00449 CYASSL_TEST_API void FreeAltNames(DNS_entry*, void*);
00450 CYASSL_TEST_API void InitDecodedCert(DecodedCert*, byte*, word32, void*);
00451 CYASSL_TEST_API void FreeDecodedCert(DecodedCert*);
00452 CYASSL_TEST_API int  ParseCert(DecodedCert*, int type, int verify, void* cm);
00453 
00454 CYASSL_LOCAL int ParseCertRelative(DecodedCert*, int type, int verify,void* cm);
00455 CYASSL_LOCAL int DecodeToKey(DecodedCert*, int verify);
00456 
00457 CYASSL_LOCAL word32 EncodeSignature(byte* out, const byte* digest, word32 digSz,
00458                                     int hashOID);
00459 
00460 CYASSL_LOCAL Signer* MakeSigner(void*);
00461 CYASSL_LOCAL void    FreeSigner(Signer*, void*);
00462 CYASSL_LOCAL void    FreeSignerTable(Signer**, int, void*);
00463 
00464 
00465 CYASSL_LOCAL int ToTraditional(byte* buffer, word32 length);
00466 CYASSL_LOCAL int ToTraditionalEnc(byte* buffer, word32 length,const char*, int);
00467 
00468 CYASSL_LOCAL int ValidateDate(const byte* date, byte format, int dateType);
00469 
00470 /* ASN.1 helper functions */
00471 CYASSL_LOCAL int GetLength(const byte* input, word32* inOutIdx, int* len,
00472                            word32 maxIdx);
00473 CYASSL_LOCAL int GetSequence(const byte* input, word32* inOutIdx, int* len,
00474                              word32 maxIdx);
00475 CYASSL_LOCAL int GetSet(const byte* input, word32* inOutIdx, int* len,
00476                         word32 maxIdx);
00477 CYASSL_LOCAL int GetMyVersion(const byte* input, word32* inOutIdx,
00478                               int* version);
00479 CYASSL_LOCAL int GetInt(mp_int* mpi, const byte* input, word32* inOutIdx,
00480                         word32 maxIdx);
00481 CYASSL_LOCAL int GetAlgoId(const byte* input, word32* inOutIdx, word32* oid,
00482                            word32 maxIdx);
00483 CYASSL_LOCAL word32 SetLength(word32 length, byte* output);
00484 CYASSL_LOCAL word32 SetSequence(word32 len, byte* output);
00485 CYASSL_LOCAL word32 SetOctetString(word32 len, byte* output);
00486 CYASSL_LOCAL word32 SetImplicit(byte tag, byte number, word32 len,byte* output);
00487 CYASSL_LOCAL word32 SetExplicit(byte number, word32 len, byte* output);
00488 CYASSL_LOCAL word32 SetSet(word32 len, byte* output);
00489 CYASSL_LOCAL word32 SetAlgoID(int algoOID, byte* output, int type, int curveSz);
00490 CYASSL_LOCAL int SetMyVersion(word32 version, byte* output, int header);
00491 CYASSL_LOCAL int SetSerialNumber(const byte* sn, word32 snSz, byte* output);
00492 CYASSL_LOCAL int GetNameHash(const byte* source, word32* idx, byte* hash,
00493                              int maxIdx);
00494 
00495 #ifdef HAVE_ECC
00496     /* ASN sig helpers */
00497     CYASSL_LOCAL int StoreECC_DSA_Sig(byte* out, word32* outLen, mp_int* r,
00498                                       mp_int* s);
00499     CYASSL_LOCAL int DecodeECC_DSA_Sig(const byte* sig, word32 sigLen,
00500                                        mp_int* r, mp_int* s);
00501 #endif
00502 
00503 #ifdef CYASSL_CERT_GEN
00504 
00505 enum cert_enums {
00506     NAME_ENTRIES    =  8,
00507     JOINT_LEN       =  2,
00508     EMAIL_JOINT_LEN =  9,
00509     RSA_KEY         = 10,
00510     NTRU_KEY        = 11,
00511     ECC_KEY         = 12
00512 };
00513 
00514 
00515 #endif /* CYASSL_CERT_GEN */
00516 
00517 
00518 
00519 /* for pointer use */
00520 typedef struct CertStatus CertStatus;
00521 
00522 #ifdef HAVE_OCSP
00523 
00524 enum Ocsp_Response_Status {
00525     OCSP_SUCCESSFUL        = 0, /* Response has valid confirmations */
00526     OCSP_MALFORMED_REQUEST = 1, /* Illegal confirmation request */
00527     OCSP_INTERNAL_ERROR    = 2, /* Internal error in issuer */
00528     OCSP_TRY_LATER         = 3, /* Try again later */
00529     OCSP_SIG_REQUIRED      = 5, /* Must sign the request (4 is skipped) */
00530     OCSP_UNAUTHROIZED      = 6  /* Request unauthorized */
00531 };
00532 
00533 
00534 enum Ocsp_Cert_Status {
00535     CERT_GOOD    = 0,
00536     CERT_REVOKED = 1,
00537     CERT_UNKNOWN = 2
00538 };
00539 
00540 
00541 enum Ocsp_Sums {
00542     OCSP_BASIC_OID = 117,
00543     OCSP_NONCE_OID = 118
00544 };
00545 
00546 
00547 typedef struct OcspRequest  OcspRequest;
00548 typedef struct OcspResponse OcspResponse;
00549 
00550 
00551 struct CertStatus {
00552     CertStatus* next;
00553 
00554     byte serial[EXTERNAL_SERIAL_SIZE];
00555     int serialSz;
00556 
00557     int status;
00558 
00559     byte thisDate[MAX_DATE_SIZE];
00560     byte nextDate[MAX_DATE_SIZE];
00561     byte thisDateFormat;
00562     byte nextDateFormat;
00563 };
00564 
00565 
00566 struct OcspResponse {
00567     int     responseStatus;  /* return code from Responder */
00568 
00569     byte*   response;        /* Pointer to beginning of OCSP Response */
00570     word32  responseSz;      /* length of the OCSP Response */
00571 
00572     byte    producedDate[MAX_DATE_SIZE];
00573                              /* Date at which this response was signed */
00574     byte    producedDateFormat; /* format of the producedDate */
00575     byte*   issuerHash;
00576     byte*   issuerKeyHash;
00577 
00578     byte*   cert;
00579     word32  certSz;
00580 
00581     byte*   sig;             /* Pointer to sig in source */
00582     word32  sigSz;           /* Length in octets for the sig */
00583     word32  sigOID;          /* OID for hash used for sig */
00584 
00585     CertStatus* status;      /* certificate status to fill out */
00586 
00587     byte*   nonce;           /* pointer to nonce inside ASN.1 response */
00588     int     nonceSz;         /* length of the nonce string */
00589 
00590     byte*   source;          /* pointer to source buffer, not owned */
00591     word32  maxIdx;          /* max offset based on init size */
00592 };
00593 
00594 
00595 struct OcspRequest {
00596     DecodedCert* cert;
00597 
00598     byte    useNonce;
00599     byte    nonce[MAX_OCSP_NONCE_SZ];
00600     int     nonceSz;
00601 
00602     byte*   issuerHash;      /* pointer to issuerHash in source cert */
00603     byte*   issuerKeyHash;   /* pointer to issuerKeyHash in source cert */
00604     byte*   serial;          /* pointer to serial number in source cert */
00605     int     serialSz;        /* length of the serial number */
00606 
00607     byte*   dest;            /* pointer to the destination ASN.1 buffer */
00608     word32  destSz;          /* length of the destination buffer */
00609 };
00610 
00611 
00612 CYASSL_LOCAL void InitOcspResponse(OcspResponse*, CertStatus*, byte*, word32);
00613 CYASSL_LOCAL int  OcspResponseDecode(OcspResponse*);
00614 
00615 CYASSL_LOCAL void InitOcspRequest(OcspRequest*, DecodedCert*,
00616                                                           byte, byte*, word32);
00617 CYASSL_LOCAL int  EncodeOcspRequest(OcspRequest*);
00618 
00619 CYASSL_LOCAL int  CompareOcspReqResp(OcspRequest*, OcspResponse*);
00620 
00621 
00622 #endif /* HAVE_OCSP */
00623 
00624 
00625 /* for pointer use */
00626 typedef struct RevokedCert RevokedCert;
00627 
00628 #ifdef HAVE_CRL
00629 
00630 struct RevokedCert {
00631     byte         serialNumber[EXTERNAL_SERIAL_SIZE];
00632     int          serialSz;
00633     RevokedCert* next;
00634 };
00635 
00636 typedef struct DecodedCRL DecodedCRL;
00637 
00638 struct DecodedCRL {
00639     word32  certBegin;               /* offset to start of cert          */
00640     word32  sigIndex;                /* offset to start of signature     */
00641     word32  sigLength;               /* length of signature              */
00642     word32  signatureOID;            /* sum of algorithm object id       */
00643     byte*   signature;               /* pointer into raw source, not owned */
00644     byte    issuerHash[SHA_DIGEST_SIZE];  /* issuer hash                 */ 
00645     byte    crlHash[SHA_DIGEST_SIZE];     /* raw crl data hash           */ 
00646     byte    lastDate[MAX_DATE_SIZE]; /* last date updated  */
00647     byte    nextDate[MAX_DATE_SIZE]; /* next update date   */
00648     byte    lastDateFormat;          /* format of last date */
00649     byte    nextDateFormat;          /* format of next date */
00650     RevokedCert* certs;              /* revoked cert list  */
00651     int          totalCerts;         /* number on list     */
00652 };
00653 
00654 CYASSL_LOCAL void InitDecodedCRL(DecodedCRL*);
00655 CYASSL_LOCAL int  ParseCRL(DecodedCRL*, const byte* buff, word32 sz, void* cm);
00656 CYASSL_LOCAL void FreeDecodedCRL(DecodedCRL*);
00657 
00658 
00659 #endif /* HAVE_CRL */
00660 
00661 
00662 #ifdef __cplusplus
00663     } /* extern "C" */
00664 #endif
00665 
00666 #endif /* CTAO_CRYPT_ASN_H */
00667 
00668 #endif /* !NO_ASN */