338 lines
9.6 KiB
C
338 lines
9.6 KiB
C
/* asn.h
|
|
*
|
|
* Copyright (C) 2006-2011 Sawtooth Consulting Ltd.
|
|
*
|
|
* This file is part of CyaSSL.
|
|
*
|
|
* CyaSSL 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; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* CyaSSL 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; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
|
*/
|
|
|
|
|
|
#ifndef CTAO_CRYPT_ASN_H
|
|
#define CTAO_CRYPT_ASN_H
|
|
|
|
#include "types.h"
|
|
#include "ctc_rsa.h"
|
|
#include "ctc_dh.h"
|
|
#include "ctc_dsa.h"
|
|
#include "ctc_sha.h"
|
|
#ifdef HAVE_ECC
|
|
#include "ctc_ecc.h"
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
enum {
|
|
ISSUER = 0,
|
|
SUBJECT = 1,
|
|
|
|
SERIAL_SIZE = 8,
|
|
|
|
BEFORE = 0,
|
|
AFTER = 1
|
|
};
|
|
|
|
/* ASN Tags */
|
|
enum ASN_Tags {
|
|
ASN_INTEGER = 0x02,
|
|
ASN_BIT_STRING = 0x03,
|
|
ASN_OCTET_STRING = 0x04,
|
|
ASN_TAG_NULL = 0x05,
|
|
ASN_OBJECT_ID = 0x06,
|
|
ASN_SEQUENCE = 0x10,
|
|
ASN_SET = 0x11,
|
|
ASN_UTC_TIME = 0x17,
|
|
ASN_GENERALIZED_TIME = 0x18,
|
|
ASN_LONG_LENGTH = 0x80
|
|
};
|
|
|
|
|
|
enum ASN_Flags{
|
|
ASN_CONSTRUCTED = 0x20,
|
|
ASN_CONTEXT_SPECIFIC = 0x80
|
|
};
|
|
|
|
enum DN_Tags {
|
|
ASN_COMMON_NAME = 0x03, /* CN */
|
|
ASN_SUR_NAME = 0x04, /* SN */
|
|
ASN_COUNTRY_NAME = 0x06, /* C */
|
|
ASN_LOCALITY_NAME = 0x07, /* L */
|
|
ASN_STATE_NAME = 0x08, /* ST */
|
|
ASN_ORG_NAME = 0x0a, /* O */
|
|
ASN_ORGUNIT_NAME = 0x0b /* OU */
|
|
};
|
|
|
|
enum PBES {
|
|
PBE_MD5_DES = 0,
|
|
PBE_SHA1_DES = 1
|
|
};
|
|
|
|
enum ENCRYPTION_TYPES {
|
|
DES_TYPE = 0
|
|
};
|
|
|
|
enum Misc_ASN {
|
|
ASN_NAME_MAX = 256,
|
|
MAX_SALT_SIZE = 64, /* MAX PKCS Salt length */
|
|
MAX_KEY_SIZE = 64, /* MAX PKCS Key length */
|
|
PKCS5 = 5, /* PKCS oid tag */
|
|
SHA_SIZE = 20,
|
|
RSA_INTS = 8, /* RSA ints in private key */
|
|
MIN_DATE_SIZE = 13,
|
|
MAX_DATE_SIZE = 32,
|
|
ASN_GEN_TIME_SZ = 15, /* 7 numbers * 2 + Zulu tag */
|
|
MAX_ENCODED_SIG_SZ = 512,
|
|
MAX_SIG_SZ = 256,
|
|
MAX_ALGO_SZ = 20,
|
|
MAX_SEQ_SZ = 5, /* enum(seq | con) + length(4) */
|
|
MAX_SET_SZ = 5, /* enum(set | con) + length(4) */
|
|
MAX_VERSION_SZ = 5, /* enum + id + version(byte) + (header(2))*/
|
|
MAX_ENCODED_DIG_SZ = 73, /* sha512 + enum(bit or octet) + legnth(4) */
|
|
MAX_RSA_INT_SZ = 517, /* RSA raw sz 4096 for bits + tag + len(4) */
|
|
MAX_NTRU_KEY_SZ = 610, /* NTRU 112 bit public key */
|
|
MAX_NTRU_ENC_SZ = 628, /* NTRU 112 bit DER public encoding */
|
|
MAX_RSA_E_SZ = 16, /* Max RSA public e size */
|
|
MAX_PUBLIC_KEY_SZ = MAX_NTRU_ENC_SZ + MAX_ALGO_SZ + MAX_SEQ_SZ * 2,
|
|
/* use bigger NTRU size */
|
|
MAX_LENGTH_SZ = 4
|
|
};
|
|
|
|
|
|
enum Oid_Types {
|
|
hashType = 0,
|
|
sigType = 1,
|
|
keyType = 2
|
|
};
|
|
|
|
|
|
enum Sig_Sum {
|
|
SHAwDSA = 517,
|
|
MD2wRSA = 646,
|
|
MD5wRSA = 648,
|
|
SHAwRSA = 649,
|
|
SHAwECDSA = 520,
|
|
SHA256wRSA = 655,
|
|
SHA256wECDSA = 524
|
|
};
|
|
|
|
enum Hash_Sum {
|
|
MD2h = 646,
|
|
MD5h = 649,
|
|
SHAh = 88,
|
|
SHA256h = 414
|
|
};
|
|
|
|
enum Key_Sum {
|
|
DSAk = 515,
|
|
RSAk = 645,
|
|
NTRUk = 364,
|
|
ECDSAk = 518
|
|
};
|
|
|
|
enum Ecc_Sum {
|
|
ECC_256R1 = 526,
|
|
ECC_384R1 = 210,
|
|
ECC_521R1 = 211,
|
|
ECC_160R1 = 184,
|
|
ECC_192R1 = 520,
|
|
ECC_224R1 = 209
|
|
};
|
|
|
|
|
|
/* Certificate file Type */
|
|
enum CertType {
|
|
CERT_TYPE = 0,
|
|
PRIVATEKEY_TYPE,
|
|
CA_TYPE
|
|
};
|
|
|
|
|
|
enum VerifyType {
|
|
NO_VERIFY = 0,
|
|
VERIFY = 1
|
|
};
|
|
|
|
|
|
typedef struct DecodedCert {
|
|
byte* publicKey;
|
|
word32 pubKeySize;
|
|
int pubKeyStored;
|
|
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 */
|
|
byte subjectHash[SHA_SIZE]; /* hash of all Names */
|
|
byte issuerHash[SHA_SIZE]; /* hash of all Names */
|
|
byte* signature; /* not owned, points into raw cert */
|
|
char* subjectCN; /* CommonName */
|
|
int subjectCNLen;
|
|
char issuer[ASN_NAME_MAX]; /* full name including common name */
|
|
char subject[ASN_NAME_MAX]; /* full name including common name */
|
|
int verify; /* Default to yes, but could be off */
|
|
byte* source; /* byte buffer holder cert, NOT owner */
|
|
word32 srcIdx; /* current offset into buffer */
|
|
void* heap; /* for user memory overrides */
|
|
byte serial[SERIAL_SIZE]; /* raw serial number */
|
|
#ifdef CYASSL_CERT_GEN
|
|
/* easy access to sujbect info for other sign */
|
|
char* subjectSN;
|
|
int subjectSNLen;
|
|
char* subjectC;
|
|
int subjectCLen;
|
|
char* subjectL;
|
|
int subjectLLen;
|
|
char* subjectST;
|
|
int subjectSTLen;
|
|
char* subjectO;
|
|
int subjectOLen;
|
|
char* subjectOU;
|
|
int subjectOULen;
|
|
char* subjectEmail;
|
|
int subjectEmailLen;
|
|
#endif /* CYASSL_CERT_GEN */
|
|
} DecodedCert;
|
|
|
|
|
|
typedef struct Signer Signer;
|
|
|
|
/* CA Signers */
|
|
struct Signer {
|
|
byte* publicKey;
|
|
word32 pubKeySize;
|
|
word32 keyOID; /* key type */
|
|
char* name; /* common name */
|
|
byte hash[SHA_DIGEST_SIZE]; /* sha hash of names in certificate */
|
|
Signer* next;
|
|
};
|
|
|
|
|
|
void InitDecodedCert(DecodedCert*, byte*, void*);
|
|
void FreeDecodedCert(DecodedCert*);
|
|
int ParseCert(DecodedCert*, word32, int type, int verify, Signer* signer);
|
|
int ParseCertRelative(DecodedCert*, word32, int type, int verify,
|
|
Signer* signer);
|
|
|
|
word32 EncodeSignature(byte* out, const byte* digest, word32 digSz,int hashOID);
|
|
|
|
Signer* MakeSigner(void*);
|
|
void FreeSigners(Signer*, void*);
|
|
|
|
|
|
int RsaPrivateKeyDecode(const byte* input, word32* inOutIdx, RsaKey*, word32);
|
|
int RsaPublicKeyDecode(const byte* input, word32* inOutIdx, RsaKey*, word32);
|
|
int ToTraditional(byte* buffer, word32 length);
|
|
int ToTraditionalEnc(byte* buffer, word32 length, const char*, int);
|
|
|
|
#ifndef NO_DH
|
|
int DhKeyDecode(const byte* input, word32* inOutIdx, DhKey* key, word32);
|
|
int DhSetKey(DhKey* key, const byte* p, word32 pSz, const byte* g, word32 gSz);
|
|
#endif
|
|
|
|
#ifndef NO_DSA
|
|
int DsaPublicKeyDecode(const byte* input, word32* inOutIdx, DsaKey*, word32);
|
|
int DsaPrivateKeyDecode(const byte* input, word32* inOutIdx, DsaKey*, word32);
|
|
#endif
|
|
|
|
#ifdef CYASSL_KEY_GEN
|
|
int RsaKeyToDer(RsaKey*, byte* output, word32 inLen);
|
|
#endif
|
|
|
|
#ifdef HAVE_ECC
|
|
/* ASN sig helpers */
|
|
int StoreECC_DSA_Sig(byte* out, word32* outLen, mp_int* r, mp_int* s);
|
|
int DecodeECC_DSA_Sig(const byte* sig, word32 sigLen, mp_int* r, mp_int* s);
|
|
/* private key helpers */
|
|
int EccPrivateKeyDecode(const byte* input,word32* inOutIdx,ecc_key*,word32);
|
|
#endif
|
|
|
|
#if defined(CYASSL_KEY_GEN) || defined(CYASSL_CERT_GEN)
|
|
int DerToPem(const byte* der, word32 derSz, byte* output, word32 outputSz,
|
|
int type);
|
|
#endif
|
|
|
|
#ifdef CYASSL_CERT_GEN
|
|
|
|
enum cert_enums {
|
|
NAME_SIZE = 64,
|
|
NAME_ENTRIES = 8,
|
|
JOINT_LEN = 2,
|
|
EMAIL_JOINT_LEN = 9,
|
|
RSA_KEY = 10,
|
|
NTRU_KEY = 11
|
|
};
|
|
|
|
|
|
typedef struct CertName {
|
|
char country[NAME_SIZE];
|
|
char state[NAME_SIZE];
|
|
char locality[NAME_SIZE];
|
|
char sur[NAME_SIZE];
|
|
char org[NAME_SIZE];
|
|
char unit[NAME_SIZE];
|
|
char commonName[NAME_SIZE];
|
|
char email[NAME_SIZE]; /* !!!! email has to be last !!!! */
|
|
} CertName;
|
|
|
|
|
|
/* for user to fill for certificate generation */
|
|
typedef struct Cert {
|
|
int version; /* x509 version */
|
|
byte serial[SERIAL_SIZE]; /* serial number */
|
|
int sigType; /* signature algo type */
|
|
CertName issuer; /* issuer info */
|
|
int daysValid; /* validity days */
|
|
int selfSigned; /* self signed flag */
|
|
CertName subject; /* subject info */
|
|
/* internal use only */
|
|
int bodySz; /* pre sign total size */
|
|
int keyType; /* public key type of subject */
|
|
} Cert;
|
|
|
|
|
|
/* Initialize and Set Certficate defaults:
|
|
version = 3 (0x2)
|
|
serial = 0 (Will be randomly generated)
|
|
sigType = MD5_WITH_RSA
|
|
issuer = blank
|
|
daysValid = 500
|
|
selfSigned = 1 (true) use subject as issuer
|
|
subject = blank
|
|
keyType = RSA_KEY (default)
|
|
*/
|
|
void InitCert(Cert*);
|
|
int MakeCert(Cert*, byte* derBuffer, word32 derSz, RsaKey*, RNG*);
|
|
int SignCert(Cert*, byte* derBuffer, word32 derSz, RsaKey*, RNG*);
|
|
int MakeSelfCert(Cert*, byte* derBuffer, word32 derSz, RsaKey*, RNG*);
|
|
int SetIssuer(Cert*, const char*);
|
|
#ifdef HAVE_NTRU
|
|
int MakeNtruCert(Cert*, byte* derBuffer, word32 derSz, const byte* ntruKey,
|
|
word16 keySz, RNG*);
|
|
#endif
|
|
|
|
|
|
#endif /* CYASSL_CERT_GEN */
|
|
|
|
|
|
#ifdef __cplusplus
|
|
} /* extern "C" */
|
|
#endif
|
|
|
|
#endif /* CTAO_CRYPT_ASN_H */
|
|
|