asn1.h

openssl加密例子

DECLARE_ASN1_FUNCTIONS(ASN1_INTEGER)
int		i2c_ASN1_INTEGER(ASN1_INTEGER *a,unsigned char **pp);
ASN1_INTEGER *c2i_ASN1_INTEGER(ASN1_INTEGER **a,unsigned char **pp,
			long length);
ASN1_INTEGER *d2i_ASN1_UINTEGER(ASN1_INTEGER **a,unsigned char **pp,
			long length);
ASN1_INTEGER *	ASN1_INTEGER_dup(ASN1_INTEGER *x);
int ASN1_INTEGER_cmp(ASN1_INTEGER *x, ASN1_INTEGER *y);

DECLARE_ASN1_FUNCTIONS(ASN1_ENUMERATED)

int ASN1_UTCTIME_check(ASN1_UTCTIME *a);
ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s,time_t t);
int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, char *str); 
int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t);
#if 0
time_t ASN1_UTCTIME_get(const ASN1_UTCTIME *s);
#endif

int ASN1_GENERALIZEDTIME_check(ASN1_GENERALIZEDTIME *a);
ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s,time_t t);
int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, char *str); 

DECLARE_ASN1_FUNCTIONS(ASN1_OCTET_STRING)
ASN1_OCTET_STRING *	ASN1_OCTET_STRING_dup(ASN1_OCTET_STRING *a);
int 	ASN1_OCTET_STRING_cmp(ASN1_OCTET_STRING *a, ASN1_OCTET_STRING *b);
int 	ASN1_OCTET_STRING_set(ASN1_OCTET_STRING *str, unsigned char *data, int len);

DECLARE_ASN1_FUNCTIONS(ASN1_VISIBLESTRING)
DECLARE_ASN1_FUNCTIONS(ASN1_UNIVERSALSTRING)
DECLARE_ASN1_FUNCTIONS(ASN1_UTF8STRING)
DECLARE_ASN1_FUNCTIONS(ASN1_NULL)
DECLARE_ASN1_FUNCTIONS(ASN1_BMPSTRING)

int UTF8_getc(const unsigned char *str, int len, unsigned long *val);
int UTF8_putc(unsigned char *str, int len, unsigned long value);

DECLARE_ASN1_FUNCTIONS_name(ASN1_STRING, ASN1_PRINTABLE)

DECLARE_ASN1_FUNCTIONS_name(ASN1_STRING, DIRECTORYSTRING)
DECLARE_ASN1_FUNCTIONS_name(ASN1_STRING, DISPLAYTEXT)
DECLARE_ASN1_FUNCTIONS(ASN1_PRINTABLESTRING)
DECLARE_ASN1_FUNCTIONS(ASN1_T61STRING)
DECLARE_ASN1_FUNCTIONS(ASN1_IA5STRING)
DECLARE_ASN1_FUNCTIONS(ASN1_GENERALSTRING)
DECLARE_ASN1_FUNCTIONS(ASN1_UTCTIME)
DECLARE_ASN1_FUNCTIONS(ASN1_GENERALIZEDTIME)
DECLARE_ASN1_FUNCTIONS(ASN1_TIME)

ASN1_TIME *ASN1_TIME_set(ASN1_TIME *s,time_t t);
int ASN1_TIME_check(ASN1_TIME *t);
ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(ASN1_TIME *t, ASN1_GENERALIZEDTIME **out);

int		i2d_ASN1_SET(STACK *a, unsigned char **pp,
			int (*func)(), int ex_tag, int ex_class, int is_set);
STACK *		d2i_ASN1_SET(STACK **a, unsigned char **pp, long length,
			char *(*func)(), void (*free_func)(void *),
			int ex_tag, int ex_class);

#ifndef OPENSSL_NO_BIO
int i2a_ASN1_INTEGER(BIO *bp, ASN1_INTEGER *a);
int a2i_ASN1_INTEGER(BIO *bp,ASN1_INTEGER *bs,char *buf,int size);
int i2a_ASN1_ENUMERATED(BIO *bp, ASN1_ENUMERATED *a);
int a2i_ASN1_ENUMERATED(BIO *bp,ASN1_ENUMERATED *bs,char *buf,int size);
int i2a_ASN1_OBJECT(BIO *bp,ASN1_OBJECT *a);
int a2i_ASN1_STRING(BIO *bp,ASN1_STRING *bs,char *buf,int size);
int i2a_ASN1_STRING(BIO *bp, ASN1_STRING *a, int type);
#endif
int i2t_ASN1_OBJECT(char *buf,int buf_len,ASN1_OBJECT *a);

int a2d_ASN1_OBJECT(unsigned char *out,int olen, const char *buf, int num);
ASN1_OBJECT *ASN1_OBJECT_create(int nid, unsigned char *data,int len,
	const char *sn, const char *ln);

int ASN1_INTEGER_set(ASN1_INTEGER *a, long v);
long ASN1_INTEGER_get(ASN1_INTEGER *a);
ASN1_INTEGER *BN_to_ASN1_INTEGER(BIGNUM *bn, ASN1_INTEGER *ai);
BIGNUM *ASN1_INTEGER_to_BN(ASN1_INTEGER *ai,BIGNUM *bn);

int ASN1_ENUMERATED_set(ASN1_ENUMERATED *a, long v);
long ASN1_ENUMERATED_get(ASN1_ENUMERATED *a);
ASN1_ENUMERATED *BN_to_ASN1_ENUMERATED(BIGNUM *bn, ASN1_ENUMERATED *ai);
BIGNUM *ASN1_ENUMERATED_to_BN(ASN1_ENUMERATED *ai,BIGNUM *bn);

/* General */
/* given a string, return the correct type, max is the maximum length */
int ASN1_PRINTABLE_type(const unsigned char *s, int max);

int i2d_ASN1_bytes(ASN1_STRING *a, unsigned char **pp, int tag, int xclass);
ASN1_STRING *d2i_ASN1_bytes(ASN1_STRING **a, unsigned char **pp,
	long length, int Ptag, int Pclass);
unsigned long ASN1_tag2bit(int tag);
/* type is one or more of the B_ASN1_ values. */
ASN1_STRING *d2i_ASN1_type_bytes(ASN1_STRING **a,unsigned char **pp,
		long length,int type);

/* PARSING */
int asn1_Finish(ASN1_CTX *c);

/* SPECIALS */
int ASN1_get_object(unsigned char **pp, long *plength, int *ptag,
	int *pclass, long omax);
int ASN1_check_infinite_end(unsigned char **p,long len);
void ASN1_put_object(unsigned char **pp, int constructed, int length,
	int tag, int xclass);
int ASN1_object_size(int constructed, int length, int tag);

/* Used to implement other functions */
char *ASN1_dup(int (*i2d)(),char *(*d2i)(),char *x);

void *ASN1_item_dup(const ASN1_ITEM *it, void *x);

#ifndef OPENSSL_NO_FP_API
char *ASN1_d2i_fp(char *(*xnew)(),char *(*d2i)(),FILE *fp,unsigned char **x);
void *ASN1_item_d2i_fp(const ASN1_ITEM *it, FILE *in, void *x);
int ASN1_i2d_fp(int (*i2d)(),FILE *out,unsigned char *x);
int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x);
int ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned long flags);
#endif

int ASN1_STRING_to_UTF8(unsigned char **out, ASN1_STRING *in);

#ifndef OPENSSL_NO_BIO
char *ASN1_d2i_bio(char *(*xnew)(),char *(*d2i)(),BIO *bp,unsigned char **x);
void *ASN1_item_d2i_bio(const ASN1_ITEM *it, BIO *in, void *x);
int ASN1_i2d_bio(int (*i2d)(),BIO *out,unsigned char *x);
int ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x);
int ASN1_UTCTIME_print(BIO *fp,ASN1_UTCTIME *a);
int ASN1_GENERALIZEDTIME_print(BIO *fp,ASN1_GENERALIZEDTIME *a);
int ASN1_TIME_print(BIO *fp,ASN1_TIME *a);
int ASN1_STRING_print(BIO *bp,ASN1_STRING *v);
int ASN1_STRING_print_ex(BIO *out, ASN1_STRING *str, unsigned long flags);
int ASN1_parse(BIO *bp,unsigned char *pp,long len,int indent);
int ASN1_parse_dump(BIO *bp,unsigned char *pp,long len,int indent,int dump);
#endif
const char *ASN1_tag2str(int tag);

/* Used to load and write netscape format cert/key */
int i2d_ASN1_HEADER(ASN1_HEADER *a,unsigned char **pp);
ASN1_HEADER *d2i_ASN1_HEADER(ASN1_HEADER **a,unsigned char **pp, long length);
ASN1_HEADER *ASN1_HEADER_new(void );
void ASN1_HEADER_free(ASN1_HEADER *a);

int ASN1_UNIVERSALSTRING_to_string(ASN1_UNIVERSALSTRING *s);

/* Not used that much at this point, except for the first two */
ASN1_METHOD *X509_asn1_meth(void);
ASN1_METHOD *RSAPrivateKey_asn1_meth(void);
ASN1_METHOD *ASN1_IA5STRING_asn1_meth(void);
ASN1_METHOD *ASN1_BIT_STRING_asn1_meth(void);

int ASN1_TYPE_set_octetstring(ASN1_TYPE *a,
	unsigned char *data, int len);
int ASN1_TYPE_get_octetstring(ASN1_TYPE *a,
	unsigned char *data, int max_len);
int ASN1_TYPE_set_int_octetstring(ASN1_TYPE *a, long num,
	unsigned char *data, int len);
int ASN1_TYPE_get_int_octetstring(ASN1_TYPE *a,long *num,
	unsigned char *data, int max_len);

STACK *ASN1_seq_unpack(unsigned char *buf, int len, char *(*d2i)(),
						 void (*free_func)(void *) ); 
unsigned char *ASN1_seq_pack(STACK *safes, int (*i2d)(), unsigned char **buf,
			     int *len );
void *ASN1_unpack_string(ASN1_STRING *oct, char *(*d2i)());
void *ASN1_item_unpack(ASN1_STRING *oct, const ASN1_ITEM *it);
ASN1_STRING *ASN1_pack_string(void *obj, int (*i2d)(), ASN1_OCTET_STRING **oct);
ASN1_STRING *ASN1_item_pack(void *obj, const ASN1_ITEM *it, ASN1_OCTET_STRING **oct);

void ASN1_STRING_set_default_mask(unsigned long mask);
int ASN1_STRING_set_default_mask_asc(char *p);
unsigned long ASN1_STRING_get_default_mask(void);
int ASN1_mbstring_copy(ASN1_STRING **out, const unsigned char *in, int len,
					int inform, unsigned long mask);
int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len,
					int inform, unsigned long mask, 
					long minsize, long maxsize);

ASN1_STRING *ASN1_STRING_set_by_NID(ASN1_STRING **out, 
		const unsigned char *in, int inlen, int inform, int nid);
ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid);
int ASN1_STRING_TABLE_add(int, long, long, unsigned long, unsigned long);
void ASN1_STRING_TABLE_cleanup(void);

/* ASN1 template functions */

/* Old API compatible functions */
ASN1_VALUE *ASN1_item_new(const ASN1_ITEM *it);
void ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it);
ASN1_VALUE * ASN1_item_d2i(ASN1_VALUE **val, unsigned char **in, long len, const ASN1_ITEM *it);
int ASN1_item_i2d(ASN1_VALUE *val, unsigned char **out, const ASN1_ITEM *it);

void ASN1_add_oid_module(void);

/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */
void ERR_load_ASN1_strings(void);

/* Error codes for the ASN1 functions. */

/* Function codes. */
#define ASN1_F_A2D_ASN1_OBJECT				 100
#define ASN1_F_A2I_ASN1_ENUMERATED			 101
#define ASN1_F_A2I_ASN1_INTEGER				 102
#define ASN1_F_A2I_ASN1_STRING				 103
#define ASN1_F_ASN1_BIT_STRING_SET_BIT			 176
#define ASN1_F_ASN1_CHECK_TLEN				 104
#define ASN1_F_ASN1_COLLATE_PRIMITIVE			 105
#define ASN1_F_ASN1_COLLECT				 106
#define ASN1_F_ASN1_D2I_BIO				 107
#define ASN1_F_ASN1_D2I_EX_PRIMITIVE			 108
#define ASN1_F_ASN1_D2I_FP				 109
#define ASN1_F_ASN1_DIGEST				 177
#define ASN1_F_ASN1_DO_ADB				 110
#define ASN1_F_ASN1_DUP					 111
#define ASN1_F_ASN1_ENUMERATED_SET			 112
#define ASN1_F_ASN1_ENUMERATED_TO_BN			 113
#define ASN1_F_ASN1_FIND_END				 182
#define ASN1_F_ASN1_GENERALIZEDTIME_SET			 178
#define ASN1_F_ASN1_GET_OBJECT				 114
#define ASN1_F_ASN1_HEADER_NEW				 115
#define ASN1_F_ASN1_I2D_BIO				 116
#define ASN1_F_ASN1_I2D_FP				 117
#define ASN1_F_ASN1_INTEGER_SET				 118
#define ASN1_F_ASN1_INTEGER_TO_BN			 119
#define ASN1_F_ASN1_ITEM_EX_D2I				 120
#define ASN1_F_ASN1_ITEM_NEW				 121
#define ASN1_F_ASN1_MBSTRING_COPY			 122
#define ASN1_F_ASN1_OBJECT_NEW				 123
#define ASN1_F_ASN1_PACK_STRING				 124
#define ASN1_F_ASN1_PBE_SET				 125
#define ASN1_F_ASN1_SEQ_PACK				 126
#define ASN1_F_ASN1_SEQ_UNPACK				 127
#define ASN1_F_ASN1_SIGN				 128
#define ASN1_F_ASN1_STRING_SET				 179
#define ASN1_F_ASN1_STRING_TABLE_ADD			 129
#define ASN1_F_ASN1_STRING_TYPE_NEW			 130
#define ASN1_F_ASN1_TEMPLATE_D2I			 131
#define ASN1_F_ASN1_TEMPLATE_EX_D2I			 132
#define ASN1_F_ASN1_TEMPLATE_NEW			 133
#define ASN1_F_ASN1_TIME_SET				 175
#define ASN1_F_ASN1_TYPE_GET_INT_OCTETSTRING		 134
#define ASN1_F_ASN1_TYPE_GET_OCTETSTRING		 135
#define ASN1_F_ASN1_UNPACK_STRING			 136
#define ASN1_F_ASN1_UTCTIME_SET				 180
#define ASN1_F_ASN1_VERIFY				 137
#define ASN1_F_BN_TO_ASN1_ENUMERATED			 138
#define ASN1_F_BN_TO_ASN1_INTEGER			 139
#define ASN1_F_COLLECT_DATA				 140
#define ASN1_F_D2I_ASN1_BIT_STRING			 141
#define ASN1_F_D2I_ASN1_BOOLEAN				 142
#define ASN1_F_D2I_ASN1_BYTES				 143
#define ASN1_F_D2I_ASN1_GENERALIZEDTIME			 144
#define ASN1_F_D2I_ASN1_HEADER				 145
#define ASN1_F_D2I_ASN1_INTEGER				 146
#define ASN1_F_D2I_ASN1_OBJECT				 147
#define ASN1_F_D2I_ASN1_SET				 148
#define ASN1_F_D2I_ASN1_TYPE_BYTES			 149
#define ASN1_F_D2I_ASN1_UINTEGER			 150
#define ASN1_F_D2I_ASN1_UTCTIME				 151
#define ASN1_F_D2I_NETSCAPE_RSA				 152
#define ASN1_F_D2I_NETSCAPE_RSA_2			 153
#define ASN1_F_D2I_PRIVATEKEY				 154
#define ASN1_F_D2I_PUBLICKEY				 155
#define ASN1_F_D2I_X509					 156
#define ASN1_F_D2I_X509_CINF				 157
#define ASN1_F_D2I_X509_NAME				 158
#define ASN1_F_D2I_X509_PKEY				 159
#define ASN1_F_I2D_ASN1_SET				 181
#define ASN1_F_I2D_ASN1_TIME				 160
#define ASN1_F_I2D_DSA_PUBKEY				 161
#define ASN1_F_I2D_NETSCAPE_RSA				 162
#define ASN1_F_I2D_PRIVATEKEY				 163
#define ASN1_F_I2D_PUBLICKEY				 164
#define ASN1_F_I2D_RSA_PUBKEY				 165
#define ASN1_F_LONG_C2I					 166
#define ASN1_F_OID_MODULE_INIT				 174
#define ASN1_F_PKCS5_PBE2_SET				 167
#define ASN1_F_X509_CINF_NEW				 168
#define ASN1_F_X509_CRL_ADD0_REVOKED			 169
#define ASN1_F_X509_INFO_NEW				 170
#define ASN1_F_X509_NAME_NEW				 171
#define ASN1_F_X509_NEW					 172
#define ASN1_F_X509_PKEY_NEW				 173

/* Reason codes. */
#define ASN1_R_ADDING_OBJECT				 171
#define ASN1_R_AUX_ERROR				 100
#define ASN1_R_BAD_CLASS				 101
#define ASN1_R_BAD_OBJECT_HEADER			 102
#define ASN1_R_BAD_PASSWORD_READ			 103
#define ASN1_R_BAD_TAG					 104
#define ASN1_R_BN_LIB					 105
#define ASN1_R_BOOLEAN_IS_WRONG_LENGTH			 106
#define ASN1_R_BUFFER_TOO_SMALL				 107
#define ASN1_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER		 108
#define ASN1_R_DATA_IS_WRONG				 109
#define ASN1_R_DECODE_ERROR				 110
#define ASN1_R_DECODING_ERROR				 111
#define ASN1_R_ENCODE_ERROR				 112
#define ASN1_R_ERROR_GETTING_TIME			 173
#define ASN1_R_ERROR_LOADING_SECTION			 172
#define ASN1_R_ERROR_PARSING_SET_ELEMENT		 113
#define ASN1_R_ERROR_SETTING_CIPHER_PARAMS		 114
#define ASN1_R_EXPECTING_AN_INTEGER			 115
#define ASN1_R_EXPECTING_AN_OBJECT			 116
#define ASN1_R_EXPECTING_A_BOOLEAN			 117
#define ASN1_R_EXPECTING_A_TIME				 118
#define ASN1_R_EXPLICIT_LENGTH_MISMATCH			 119
#define ASN1_R_EXPLICIT_TAG_NOT_CONSTRUCTED		 120
#define ASN1_R_FIELD_MISSING				 121
#define ASN1_R_FIRST_NUM_TOO_LARGE			 122
#define ASN1_R_HEADER_TOO_LONG				 123
#define ASN1_R_ILLEGAL_CHARACTERS			 124
#define ASN1_R_ILLEGAL_NULL				 125
#define ASN1_R_ILLEGAL_OPTIONAL_ANY			 126
#define ASN1_R_ILLEGAL_OPTIONS_ON_ITEM_TEMPLATE		 170
#define ASN1_R_ILLEGAL_TAGGED_ANY			 127
#define ASN1_R_INTEGER_TOO_LARGE_FOR_LONG		 128
#define ASN1_R_INVALID_BMPSTRING_LENGTH			 129
#define ASN1_R_INVALID_DIGIT				 130
#define ASN1_R_INVALID_SEPARATOR			 131
#define ASN1_R_INVALID_TIME_FORMAT			 132
#define ASN1_R_INVALID_UNIVERSALSTRING_LENGTH		 133
#define ASN1_R_INVALID_UTF8STRING			 134
#define ASN1_R_IV_TOO_LARGE				 135
#define ASN1_R_LENGTH_ERROR				 136
#define ASN1_R_MISSING_EOC				 137
#define ASN1_R_MISSING_SECOND_NUMBER			 138
#define ASN1_R_MSTRING_NOT_UNIVERSAL			 139
#define ASN1_R_MSTRING_WRONG_TAG			 140
#define ASN1_R_NESTED_ASN1_STRING			 174
#define ASN1_R_NON_HEX_CHARACTERS			 141
#define ASN1_R_NOT_ENOUGH_DATA				 142
#define ASN1_R_NO_MATCHING_CHOICE_TYPE			 143
#define ASN1_R_NULL_IS_WRONG_LENGTH			 144
#define ASN1_R_ODD_NUMBER_OF_CHARS			 145
#define ASN1_R_PRIVATE_KEY_HEADER_MISSING		 146
#define ASN1_R_SECOND_NUMBER_TOO_LARGE			 147
#define ASN1_R_SEQUENCE_LENGTH_MISMATCH			 148
#define ASN1_R_SEQUENCE_NOT_CONSTRUCTED			 149
#define ASN1_R_SHORT_LINE				 150
#define ASN1_R_STRING_TOO_LONG				 151
#define ASN1_R_STRING_TOO_SHORT				 152
#define ASN1_R_TAG_VALUE_TOO_HIGH			 153
#define ASN1_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 154
#define ASN1_R_TOO_LONG					 155
#define ASN1_R_TYPE_NOT_CONSTRUCTED			 156
#define ASN1_R_UNABLE_TO_DECODE_RSA_KEY			 157
#define ASN1_R_UNABLE_TO_DECODE_RSA_PRIVATE_KEY		 158
#define ASN1_R_UNEXPECTED_EOC				 159
#define ASN1_R_UNKNOWN_FORMAT				 160
#define ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM		 161
#define ASN1_R_UNKNOWN_OBJECT_TYPE			 162
#define ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE			 163
#define ASN1_R_UNSUPPORTED_ANY_DEFINED_BY_TYPE		 164
#define ASN1_R_UNSUPPORTED_CIPHER			 165
#define ASN1_R_UNSUPPORTED_ENCRYPTION_ALGORITHM		 166
#define ASN1_R_UNSUPPORTED_PUBLIC_KEY_TYPE		 167
#define ASN1_R_WRONG_TAG				 168
#define ASN1_R_WRONG_TYPE				 169

#ifdef  __cplusplus
}
#endif
#endif