asn.h

00001 /* asn.h
00002  *
00003  * Copyright (C) 2006-2014 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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_RFC822_TYPE       = 0x01,
00068     ASN_DNS_TYPE          = 0x02,
00069     ASN_DIR_TYPE          = 0x04,
00070     ASN_GENERALIZED_TIME  = 0x18,
00071     CRL_EXTENSIONS        = 0xa0,
00072     ASN_EXTENSIONS        = 0xa3,
00073     ASN_LONG_LENGTH       = 0x80
00074 };
00075 
00076 enum  ASN_Flags{
00077     ASN_CONSTRUCTED       = 0x20,
00078     ASN_CONTEXT_SPECIFIC  = 0x80
00079 };
00080 
00081 enum DN_Tags {
00082     ASN_COMMON_NAME   = 0x03,   /* CN */
00083     ASN_SUR_NAME      = 0x04,   /* SN */
00084     ASN_SERIAL_NUMBER = 0x05,   /* serialNumber */
00085     ASN_COUNTRY_NAME  = 0x06,   /* C  */
00086     ASN_LOCALITY_NAME = 0x07,   /* L  */
00087     ASN_STATE_NAME    = 0x08,   /* ST */
00088     ASN_ORG_NAME      = 0x0a,   /* O  */
00089     ASN_ORGUNIT_NAME  = 0x0b    /* OU */
00090 };
00091 
00092 enum PBES {
00093     PBE_MD5_DES      = 0,
00094     PBE_SHA1_DES     = 1,
00095     PBE_SHA1_DES3    = 2,
00096     PBE_SHA1_RC4_128 = 3,
00097     PBES2            = 13       /* algo ID */
00098 };
00099 
00100 enum ENCRYPTION_TYPES {
00101     DES_TYPE  = 0,
00102     DES3_TYPE = 1,
00103     RC4_TYPE  = 2
00104 };
00105 
00106 enum ECC_TYPES {
00107     ECC_PREFIX_0 = 160,
00108     ECC_PREFIX_1 = 161
00109 };
00110 
00111 enum Misc_ASN { 
00112     ASN_NAME_MAX        = 256,
00113     MAX_SALT_SIZE       =  64,     /* MAX PKCS Salt length */
00114     MAX_IV_SIZE         =  64,     /* MAX PKCS Iv length */
00115     MAX_KEY_SIZE        =  64,     /* MAX PKCS Key  length */
00116     PKCS5               =   5,     /* PKCS oid tag */
00117     PKCS5v2             =   6,     /* PKCS #5 v2.0 */
00118     PKCS12              =  12,     /* PKCS #12 */
00119     MAX_UNICODE_SZ      = 256,
00120     ASN_BOOL_SIZE       =   2,     /* including type */
00121     SHA_SIZE            =  20,
00122     RSA_INTS            =   8,     /* RSA ints in private key */
00123     MIN_DATE_SIZE       =  13,
00124     MAX_DATE_SIZE       =  32,
00125     ASN_GEN_TIME_SZ     =  15,     /* 7 numbers * 2 + Zulu tag */
00126     MAX_ENCODED_SIG_SZ  = 512,
00127     MAX_SIG_SZ          = 256,
00128     MAX_ALGO_SZ         =  20,
00129     MAX_SEQ_SZ          =   5,     /* enum(seq | con) + length(4) */  
00130     MAX_SET_SZ          =   5,     /* enum(set | con) + length(4) */  
00131     MAX_OCTET_STR_SZ    =   5,     /* enum(set | con) + length(4) */
00132     MAX_EXP_SZ          =   5,     /* enum(contextspec|con|exp) + length(4) */
00133     MAX_PRSTR_SZ        =   5,     /* enum(prstr) + length(4) */
00134     MAX_VERSION_SZ      =   5,     /* enum + id + version(byte) + (header(2))*/
00135     MAX_ENCODED_DIG_SZ  =  73,     /* sha512 + enum(bit or octet) + legnth(4) */
00136     MAX_RSA_INT_SZ      = 517,     /* RSA raw sz 4096 for bits + tag + len(4) */
00137     MAX_NTRU_KEY_SZ     = 610,     /* NTRU 112 bit public key */
00138     MAX_NTRU_ENC_SZ     = 628,     /* NTRU 112 bit DER public encoding */
00139     MAX_LENGTH_SZ       =   4,     /* Max length size for DER encoding */
00140     MAX_RSA_E_SZ        =  16,     /* Max RSA public e size */
00141     MAX_CA_SZ           =  32,     /* Max encoded CA basic constraint length */
00142     MAX_SN_SZ           =  35,     /* Max encoded serial number (INT) length */
00143 #ifdef CYASSL_CERT_GEN
00144     #ifdef CYASSL_CERT_REQ
00145                           /* Max encoded cert req attributes length */
00146         MAX_ATTRIB_SZ   = MAX_SEQ_SZ * 3 + (11 + MAX_SEQ_SZ) * 2 +
00147                           MAX_PRSTR_SZ + CTC_NAME_SIZE, /* 11 is the OID size */
00148     #endif
00149     #ifdef CYASSL_ALT_NAMES
00150         MAX_EXTENSIONS_SZ   = 1 + MAX_LENGTH_SZ + CTC_MAX_ALT_SIZE,
00151     #else
00152         MAX_EXTENSIONS_SZ   = 1 + MAX_LENGTH_SZ + MAX_CA_SZ,
00153     #endif
00154                                    /* Max total extensions, id + len + others */
00155 #endif
00156     MAX_OCSP_EXT_SZ     = 58,      /* Max OCSP Extension length */
00157     MAX_OCSP_NONCE_SZ   = 18,      /* OCSP Nonce size           */
00158     EIGHTK_BUF          = 8192,    /* Tmp buffer size           */
00159     MAX_PUBLIC_KEY_SZ   = MAX_NTRU_ENC_SZ + MAX_ALGO_SZ + MAX_SEQ_SZ * 2
00160                                    /* use bigger NTRU size */
00161 };
00162 
00163 
00164 enum Oid_Types {
00165     hashType  = 0,
00166     sigType   = 1,
00167     keyType   = 2,
00168     curveType = 3,
00169     blkType   = 4
00170 };
00171 
00172 
00173 enum Hash_Sum  {
00174     MD2h    = 646,
00175     MD5h    = 649,
00176     SHAh    =  88,
00177     SHA256h = 414,
00178     SHA384h = 415,
00179     SHA512h = 416
00180 };
00181 
00182 
00183 enum Block_Sum {
00184     DESb  = 69,
00185     DES3b = 652
00186 };
00187 
00188 
00189 enum Key_Sum {
00190     DSAk   = 515,
00191     RSAk   = 645,
00192     NTRUk  = 364,
00193     ECDSAk = 518
00194 };
00195 
00196 
00197 enum Ecc_Sum {
00198     ECC_256R1 = 526,
00199     ECC_384R1 = 210,
00200     ECC_521R1 = 211,
00201     ECC_160R1 = 184,
00202     ECC_192R1 = 520,
00203     ECC_224R1 = 209
00204 };
00205 
00206 
00207 enum KDF_Sum {
00208     PBKDF2_OID = 660
00209 };
00210 
00211 
00212 enum Extensions_Sum {
00213     BASIC_CA_OID    = 133,
00214     ALT_NAMES_OID   = 131,
00215     CRL_DIST_OID    = 145,
00216     AUTH_INFO_OID   = 69,
00217     CA_ISSUER_OID   = 117,
00218     AUTH_KEY_OID    = 149,
00219     SUBJ_KEY_OID    = 128,
00220     CERT_POLICY_OID = 146,
00221     KEY_USAGE_OID   = 129,  /* 2.5.29.15 */
00222     INHIBIT_ANY_OID = 168,  /* 2.5.29.54 */
00223     EXT_KEY_USAGE_OID = 151, /* 2.5.29.37 */
00224     NAME_CONS_OID   = 144   /* 2.5.29.30 */
00225 };
00226 
00227 enum CertificatePolicy_Sum {
00228     CP_ANY_OID      = 146  /* id-ce 32 0 */
00229 };
00230 
00231 enum SepHardwareName_Sum {
00232     HW_NAME_OID     = 79   /* 1.3.6.1.5.5.7.8.4 from RFC 4108*/
00233 };
00234 
00235 enum AuthInfo_Sum {
00236     AIA_OCSP_OID      = 116, /* 1.3.6.1.5.5.7.48.1 */
00237     AIA_CA_ISSUER_OID = 117  /* 1.3.6.1.5.5.7.48.2 */
00238 };
00239 
00240 enum ExtKeyUsage_Sum { /* From RFC 5280 */
00241     EKU_ANY_OID         = 151, /* 2.5.29.37.0, anyExtendedKeyUsage         */
00242     EKU_SERVER_AUTH_OID = 71,  /* 1.3.6.1.5.5.7.3.1, id-kp-serverAuth      */
00243     EKU_CLIENT_AUTH_OID = 72,  /* 1.3.6.1.5.5.7.3.2, id-kp-clientAuth      */
00244     EKU_OCSP_SIGN_OID   = 79,  /* 1.3.6.1.5.5.7.3.9, OCSPSigning           */
00245 };
00246 
00247 
00248 enum VerifyType {
00249     NO_VERIFY = 0,
00250     VERIFY    = 1
00251 };
00252 
00253 
00254 /* Key usage extension bits */
00255 #define KEYUSE_DIGITAL_SIG    0x0100
00256 #define KEYUSE_CONTENT_COMMIT 0x0080
00257 #define KEYUSE_KEY_ENCIPHER   0x0040
00258 #define KEYUSE_DATA_ENCIPHER  0x0020
00259 #define KEYUSE_KEY_AGREE      0x0010
00260 #define KEYUSE_KEY_CERT_SIGN  0x0008
00261 #define KEYUSE_CRL_SIGN       0x0004
00262 #define KEYUSE_ENCIPHER_ONLY  0x0002
00263 #define KEYUSE_DECIPHER_ONLY  0x0001
00264 
00265 #define EXTKEYUSE_ANY         0x08
00266 #define EXTKEYUSE_OCSP_SIGN   0x04
00267 #define EXTKEYUSE_CLIENT_AUTH 0x02
00268 #define EXTKEYUSE_SERVER_AUTH 0x01
00269 
00270 typedef struct DNS_entry   DNS_entry;
00271 
00272 struct DNS_entry {
00273     DNS_entry* next;   /* next on DNS list */
00274     char*      name;   /* actual DNS name */
00275 };
00276 
00277 
00278 typedef struct Base_entry  Base_entry;
00279 
00280 struct Base_entry {
00281     Base_entry* next;   /* next on name base list */
00282     char*       name;   /* actual name base */
00283     int         nameSz; /* name length */
00284     byte        type;   /* Name base type (DNS or RFC822) */
00285 };
00286 
00287 
00288 struct DecodedName {
00289     char*   fullName;
00290     int     fullNameLen;
00291     int     entryCount;
00292     int     cnIdx;
00293     int     cnLen;
00294     int     snIdx;
00295     int     snLen;
00296     int     cIdx;
00297     int     cLen;
00298     int     lIdx;
00299     int     lLen;
00300     int     stIdx;
00301     int     stLen;
00302     int     oIdx;
00303     int     oLen;
00304     int     ouIdx;
00305     int     ouLen;
00306     int     emailIdx;
00307     int     emailLen;
00308     int     uidIdx;
00309     int     uidLen;
00310     int     serialIdx;
00311     int     serialLen;
00312 };
00313 
00314 
00315 typedef struct DecodedCert DecodedCert;
00316 typedef struct DecodedName DecodedName;
00317 typedef struct Signer      Signer;
00318 
00319 
00320 struct DecodedCert {
00321     byte*   publicKey;
00322     word32  pubKeySize;
00323     int     pubKeyStored;
00324     word32  certBegin;               /* offset to start of cert          */
00325     word32  sigIndex;                /* offset to start of signature     */
00326     word32  sigLength;               /* length of signature              */
00327     word32  signatureOID;            /* sum of algorithm object id       */
00328     word32  keyOID;                  /* sum of key algo  object id       */
00329     int     version;                 /* cert version, 1 or 3             */
00330     DNS_entry* altNames;             /* alt names list of dns entries    */
00331 #ifndef IGNORE_NAME_CONSTRAINTS
00332     DNS_entry* altEmailNames;        /* alt names list of RFC822 entries */
00333     Base_entry* permittedNames;      /* Permitted name bases             */
00334     Base_entry* excludedNames;       /* Excluded name bases              */
00335 #endif /* IGNORE_NAME_CONSTRAINTS */
00336     byte    subjectHash[SHA_SIZE];   /* hash of all Names                */
00337     byte    issuerHash[SHA_SIZE];    /* hash of all Names                */
00338 #ifdef HAVE_OCSP
00339     byte    issuerKeyHash[SHA_SIZE]; /* hash of the public Key           */
00340 #endif /* HAVE_OCSP */
00341     byte*   signature;               /* not owned, points into raw cert  */
00342     char*   subjectCN;               /* CommonName                       */
00343     int     subjectCNLen;
00344     int     subjectCNStored;         /* have we saved a copy we own      */
00345     char    issuer[ASN_NAME_MAX];    /* full name including common name  */
00346     char    subject[ASN_NAME_MAX];   /* full name including common name  */
00347     int     verify;                  /* Default to yes, but could be off */
00348     byte*   source;                  /* byte buffer holder cert, NOT owner */
00349     word32  srcIdx;                  /* current offset into buffer       */
00350     word32  maxIdx;                  /* max offset based on init size    */
00351     void*   heap;                    /* for user memory overrides        */
00352     byte    serial[EXTERNAL_SERIAL_SIZE];  /* raw serial number          */
00353     int     serialSz;                /* raw serial bytes stored */
00354     byte*   extensions;              /* not owned, points into raw cert  */
00355     int     extensionsSz;            /* length of cert extensions */
00356     word32  extensionsIdx;           /* if want to go back and parse later */
00357     byte*   extAuthInfo;             /* Authority Information Access URI */
00358     int     extAuthInfoSz;           /* length of the URI                */
00359     byte*   extCrlInfo;              /* CRL Distribution Points          */
00360     int     extCrlInfoSz;            /* length of the URI                */
00361     byte    extSubjKeyId[SHA_SIZE];  /* Subject Key ID                   */
00362     byte    extSubjKeyIdSet;         /* Set when the SKID was read from cert */
00363     byte    extAuthKeyId[SHA_SIZE];  /* Authority Key ID                 */
00364     byte    extAuthKeyIdSet;         /* Set when the AKID was read from cert */
00365 #ifndef IGNORE_NAME_CONSTRAINTS
00366     byte    extNameConstraintSet;
00367 #endif /* IGNORE_NAME_CONSTRAINTS */
00368     byte    isCA;                    /* CA basic constraint true         */
00369     byte    extKeyUsageSet;
00370     word16  extKeyUsage;             /* Key usage bitfield               */
00371     byte    extExtKeyUsageSet;       /* Extended Key Usage               */
00372     byte    extExtKeyUsage;          /* Extended Key usage bitfield      */
00373 #ifdef OPENSSL_EXTRA
00374     byte    extBasicConstSet;
00375     byte    extBasicConstCrit;
00376     byte    extBasicConstPlSet;
00377     word32  pathLength;              /* CA basic constraint path length, opt */
00378     byte    extSubjAltNameSet;
00379     byte    extSubjAltNameCrit;
00380     byte    extAuthKeyIdCrit;
00381 #ifndef IGNORE_NAME_CONSTRAINTS
00382     byte    extNameConstraintCrit;
00383 #endif /* IGNORE_NAME_CONSTRAINTS */
00384     byte    extSubjKeyIdCrit;
00385     byte    extKeyUsageCrit;
00386     byte    extExtKeyUsageCrit;
00387     byte*   extExtKeyUsageSrc;
00388     word32  extExtKeyUsageSz;
00389     word32  extExtKeyUsageCount;
00390     byte*   extAuthKeyIdSrc;
00391     word32  extAuthKeyIdSz;
00392     byte*   extSubjKeyIdSrc;
00393     word32  extSubjKeyIdSz;
00394 #endif
00395 #ifdef HAVE_ECC
00396     word32  pkCurveOID;           /* Public Key's curve OID */
00397 #endif /* HAVE_ECC */
00398     byte*   beforeDate;
00399     int     beforeDateLen;
00400     byte*   afterDate;
00401     int     afterDateLen;
00402 #ifdef HAVE_PKCS7
00403     byte*   issuerRaw;               /* pointer to issuer inside source */
00404     int     issuerRawLen;
00405 #endif
00406 #ifndef IGNORE_NAME_CONSTRAINT
00407     byte*   subjectRaw;               /* pointer to subject inside source */
00408     int     subjectRawLen;
00409 #endif
00410 #if defined(CYASSL_CERT_GEN)
00411     /* easy access to subject info for other sign */
00412     char*   subjectSN;
00413     int     subjectSNLen;
00414     char*   subjectC;
00415     int     subjectCLen;
00416     char*   subjectL;
00417     int     subjectLLen;
00418     char*   subjectST;
00419     int     subjectSTLen;
00420     char*   subjectO;
00421     int     subjectOLen;
00422     char*   subjectOU;
00423     int     subjectOULen;
00424     char*   subjectEmail;
00425     int     subjectEmailLen;
00426 #endif /* CYASSL_CERT_GEN */
00427 #ifdef OPENSSL_EXTRA
00428     DecodedName issuerName;
00429     DecodedName subjectName;
00430 #endif /* OPENSSL_EXTRA */
00431 #ifdef CYASSL_SEP
00432     int     deviceTypeSz;
00433     byte*   deviceType;
00434     int     hwTypeSz;
00435     byte*   hwType;
00436     int     hwSerialNumSz;
00437     byte*   hwSerialNum;
00438     #ifdef OPENSSL_EXTRA
00439         byte    extCertPolicySet;
00440         byte    extCertPolicyCrit;
00441     #endif /* OPENSSL_EXTRA */
00442 #endif /* CYASSL_SEP */
00443 };
00444 
00445 
00446 #ifdef SHA_DIGEST_SIZE
00447     #define SIGNER_DIGEST_SIZE SHA_DIGEST_SIZE
00448 #else
00449     #define SIGNER_DIGEST_SIZE 20 
00450 #endif
00451 
00452 /* CA Signers */
00453 /* if change layout change PERSIST_CERT_CACHE functions too */
00454 struct Signer {
00455     word32  pubKeySize;
00456     word32  keyOID;                  /* key type */
00457     word16  keyUsage;
00458     byte*   publicKey;
00459     int     nameLen;
00460     char*   name;                    /* common name */
00461 #ifndef IGNORE_NAME_CONSTRAINTS
00462         Base_entry* permittedNames;
00463         Base_entry* excludedNames;
00464 #endif /* IGNORE_NAME_CONSTRAINTS */
00465     byte    subjectNameHash[SIGNER_DIGEST_SIZE];
00466                                      /* sha hash of names in certificate */
00467     #ifndef NO_SKID
00468         byte    subjectKeyIdHash[SIGNER_DIGEST_SIZE];
00469                                      /* sha hash of names in certificate */
00470     #endif
00471     Signer* next;
00472 };
00473 
00474 
00475 /* not for public consumption but may use for testing sometimes */
00476 #ifdef CYASSL_TEST_CERT
00477     #define CYASSL_TEST_API CYASSL_API
00478 #else
00479     #define CYASSL_TEST_API CYASSL_LOCAL
00480 #endif
00481 
00482 CYASSL_TEST_API void FreeAltNames(DNS_entry*, void*);
00483 #ifndef IGNORE_NAME_CONSTRAINTS
00484     CYASSL_TEST_API void FreeNameSubtrees(Base_entry*, void*);
00485 #endif /* IGNORE_NAME_CONSTRAINTS */
00486 CYASSL_TEST_API void InitDecodedCert(DecodedCert*, byte*, word32, void*);
00487 CYASSL_TEST_API void FreeDecodedCert(DecodedCert*);
00488 CYASSL_TEST_API int  ParseCert(DecodedCert*, int type, int verify, void* cm);
00489 
00490 CYASSL_LOCAL int ParseCertRelative(DecodedCert*, int type, int verify,void* cm);
00491 CYASSL_LOCAL int DecodeToKey(DecodedCert*, int verify);
00492 
00493 CYASSL_LOCAL word32 EncodeSignature(byte* out, const byte* digest, word32 digSz,
00494                                     int hashOID);
00495 
00496 CYASSL_LOCAL Signer* MakeSigner(void*);
00497 CYASSL_LOCAL void    FreeSigner(Signer*, void*);
00498 CYASSL_LOCAL void    FreeSignerTable(Signer**, int, void*);
00499 
00500 
00501 CYASSL_LOCAL int ToTraditional(byte* buffer, word32 length);
00502 CYASSL_LOCAL int ToTraditionalEnc(byte* buffer, word32 length,const char*, int);
00503 
00504 CYASSL_LOCAL int ValidateDate(const byte* date, byte format, int dateType);
00505 
00506 /* ASN.1 helper functions */
00507 CYASSL_LOCAL int GetLength(const byte* input, word32* inOutIdx, int* len,
00508                            word32 maxIdx);
00509 CYASSL_LOCAL int GetSequence(const byte* input, word32* inOutIdx, int* len,
00510                              word32 maxIdx);
00511 CYASSL_LOCAL int GetSet(const byte* input, word32* inOutIdx, int* len,
00512                         word32 maxIdx);
00513 CYASSL_LOCAL int GetMyVersion(const byte* input, word32* inOutIdx,
00514                               int* version);
00515 CYASSL_LOCAL int GetInt(mp_int* mpi, const byte* input, word32* inOutIdx,
00516                         word32 maxIdx);
00517 CYASSL_LOCAL int GetAlgoId(const byte* input, word32* inOutIdx, word32* oid,
00518                            word32 maxIdx);
00519 CYASSL_LOCAL word32 SetLength(word32 length, byte* output);
00520 CYASSL_LOCAL word32 SetSequence(word32 len, byte* output);
00521 CYASSL_LOCAL word32 SetOctetString(word32 len, byte* output);
00522 CYASSL_LOCAL word32 SetImplicit(byte tag, byte number, word32 len,byte* output);
00523 CYASSL_LOCAL word32 SetExplicit(byte number, word32 len, byte* output);
00524 CYASSL_LOCAL word32 SetSet(word32 len, byte* output);
00525 CYASSL_LOCAL word32 SetAlgoID(int algoOID, byte* output, int type, int curveSz);
00526 CYASSL_LOCAL int SetMyVersion(word32 version, byte* output, int header);
00527 CYASSL_LOCAL int SetSerialNumber(const byte* sn, word32 snSz, byte* output);
00528 CYASSL_LOCAL int GetNameHash(const byte* source, word32* idx, byte* hash,
00529                              int maxIdx);
00530 
00531 #ifdef HAVE_ECC
00532     /* ASN sig helpers */
00533     CYASSL_LOCAL int StoreECC_DSA_Sig(byte* out, word32* outLen, mp_int* r,
00534                                       mp_int* s);
00535     CYASSL_LOCAL int DecodeECC_DSA_Sig(const byte* sig, word32 sigLen,
00536                                        mp_int* r, mp_int* s);
00537 #endif
00538 
00539 #ifdef CYASSL_CERT_GEN
00540 
00541 enum cert_enums {
00542     NAME_ENTRIES    =  8,
00543     JOINT_LEN       =  2,
00544     EMAIL_JOINT_LEN =  9,
00545     RSA_KEY         = 10,
00546     NTRU_KEY        = 11,
00547     ECC_KEY         = 12
00548 };
00549 
00550 
00551 #endif /* CYASSL_CERT_GEN */
00552 
00553 
00554 
00555 /* for pointer use */
00556 typedef struct CertStatus CertStatus;
00557 
00558 #ifdef HAVE_OCSP
00559 
00560 enum Ocsp_Response_Status {
00561     OCSP_SUCCESSFUL        = 0, /* Response has valid confirmations */
00562     OCSP_MALFORMED_REQUEST = 1, /* Illegal confirmation request */
00563     OCSP_INTERNAL_ERROR    = 2, /* Internal error in issuer */
00564     OCSP_TRY_LATER         = 3, /* Try again later */
00565     OCSP_SIG_REQUIRED      = 5, /* Must sign the request (4 is skipped) */
00566     OCSP_UNAUTHROIZED      = 6  /* Request unauthorized */
00567 };
00568 
00569 
00570 enum Ocsp_Cert_Status {
00571     CERT_GOOD    = 0,
00572     CERT_REVOKED = 1,
00573     CERT_UNKNOWN = 2
00574 };
00575 
00576 
00577 enum Ocsp_Sums {
00578     OCSP_BASIC_OID = 117,
00579     OCSP_NONCE_OID = 118
00580 };
00581 
00582 
00583 typedef struct OcspRequest  OcspRequest;
00584 typedef struct OcspResponse OcspResponse;
00585 
00586 
00587 struct CertStatus {
00588     CertStatus* next;
00589 
00590     byte serial[EXTERNAL_SERIAL_SIZE];
00591     int serialSz;
00592 
00593     int status;
00594 
00595     byte thisDate[MAX_DATE_SIZE];
00596     byte nextDate[MAX_DATE_SIZE];
00597     byte thisDateFormat;
00598     byte nextDateFormat;
00599 };
00600 
00601 
00602 struct OcspResponse {
00603     int     responseStatus;  /* return code from Responder */
00604 
00605     byte*   response;        /* Pointer to beginning of OCSP Response */
00606     word32  responseSz;      /* length of the OCSP Response */
00607 
00608     byte    producedDate[MAX_DATE_SIZE];
00609                              /* Date at which this response was signed */
00610     byte    producedDateFormat; /* format of the producedDate */
00611     byte*   issuerHash;
00612     byte*   issuerKeyHash;
00613 
00614     byte*   cert;
00615     word32  certSz;
00616 
00617     byte*   sig;             /* Pointer to sig in source */
00618     word32  sigSz;           /* Length in octets for the sig */
00619     word32  sigOID;          /* OID for hash used for sig */
00620 
00621     CertStatus* status;      /* certificate status to fill out */
00622 
00623     byte*   nonce;           /* pointer to nonce inside ASN.1 response */
00624     int     nonceSz;         /* length of the nonce string */
00625 
00626     byte*   source;          /* pointer to source buffer, not owned */
00627     word32  maxIdx;          /* max offset based on init size */
00628 };
00629 
00630 
00631 struct OcspRequest {
00632     DecodedCert* cert;
00633 
00634     byte    useNonce;
00635     byte    nonce[MAX_OCSP_NONCE_SZ];
00636     int     nonceSz;
00637 
00638     byte*   issuerHash;      /* pointer to issuerHash in source cert */
00639     byte*   issuerKeyHash;   /* pointer to issuerKeyHash in source cert */
00640     byte*   serial;          /* pointer to serial number in source cert */
00641     int     serialSz;        /* length of the serial number */
00642 
00643     byte*   dest;            /* pointer to the destination ASN.1 buffer */
00644     word32  destSz;          /* length of the destination buffer */
00645 };
00646 
00647 
00648 CYASSL_LOCAL void InitOcspResponse(OcspResponse*, CertStatus*, byte*, word32);
00649 CYASSL_LOCAL int  OcspResponseDecode(OcspResponse*);
00650 
00651 CYASSL_LOCAL void InitOcspRequest(OcspRequest*, DecodedCert*,
00652                                                           byte, byte*, word32);
00653 CYASSL_LOCAL int  EncodeOcspRequest(OcspRequest*);
00654 
00655 CYASSL_LOCAL int  CompareOcspReqResp(OcspRequest*, OcspResponse*);
00656 
00657 
00658 #endif /* HAVE_OCSP */
00659 
00660 
00661 /* for pointer use */
00662 typedef struct RevokedCert RevokedCert;
00663 
00664 #ifdef HAVE_CRL
00665 
00666 struct RevokedCert {
00667     byte         serialNumber[EXTERNAL_SERIAL_SIZE];
00668     int          serialSz;
00669     RevokedCert* next;
00670 };
00671 
00672 typedef struct DecodedCRL DecodedCRL;
00673 
00674 struct DecodedCRL {
00675     word32  certBegin;               /* offset to start of cert          */
00676     word32  sigIndex;                /* offset to start of signature     */
00677     word32  sigLength;               /* length of signature              */
00678     word32  signatureOID;            /* sum of algorithm object id       */
00679     byte*   signature;               /* pointer into raw source, not owned */
00680     byte    issuerHash[SHA_DIGEST_SIZE];  /* issuer hash                 */ 
00681     byte    crlHash[SHA_DIGEST_SIZE];     /* raw crl data hash           */ 
00682     byte    lastDate[MAX_DATE_SIZE]; /* last date updated  */
00683     byte    nextDate[MAX_DATE_SIZE]; /* next update date   */
00684     byte    lastDateFormat;          /* format of last date */
00685     byte    nextDateFormat;          /* format of next date */
00686     RevokedCert* certs;              /* revoked cert list  */
00687     int          totalCerts;         /* number on list     */
00688 };
00689 
00690 CYASSL_LOCAL void InitDecodedCRL(DecodedCRL*);
00691 CYASSL_LOCAL int  ParseCRL(DecodedCRL*, const byte* buff, word32 sz, void* cm);
00692 CYASSL_LOCAL void FreeDecodedCRL(DecodedCRL*);
00693 
00694 
00695 #endif /* HAVE_CRL */
00696 
00697 
00698 #ifdef __cplusplus
00699     } /* extern "C" */
00700 #endif
00701 
00702 #endif /* CTAO_CRYPT_ASN_H */
00703 
00704 #endif /* !NO_ASN */
00705