include/openssl/asn1_mac.h - boringssl - Git at Google

 /* crypto/asn1/asn1_mac.h */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
  *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. All advertising materials mentioning features or use of this software
  *    must display the following acknowledgement:
  *    "This product includes cryptographic software written by
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
  * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
  * [including the GNU Public Licence.]
  */

 #ifndef HEADER_ASN1_MAC_H
 #define HEADER_ASN1_MAC_H

 #include <openssl/asn1.h>

 #ifdef  __cplusplus
 extern "C" {
 #endif

 #ifndef ASN1_MAC_ERR_LIB
 #define ASN1_MAC_ERR_LIB	ERR_LIB_ASN1
 #endif

 #define ASN1_MAC_H_err(f,r,line) \
 	ERR_put_error(ASN1_MAC_ERR_LIB,(f),(r),__FILE__,(line))

 #define M_ASN1_D2I_vars(a,type,func) \
 	ASN1_const_CTX c; \
 	type ret=NULL; \
 	\
 	c.pp=(const unsigned char **)pp; \
 	c.q= *(const unsigned char **)pp; \
 	c.error=ASN1_R_NESTED_ASN1_ERROR; \
 	if ((a == NULL) || ((*a) == NULL)) \
 		{ if ((ret=(type)func()) == NULL) \
 			{ c.line=__LINE__; goto err; } } \
 	else	ret=(*a);

 #define M_ASN1_D2I_Init() \
 	c.p= *(const unsigned char **)pp; \
 	c.max=(length == 0)?0:(c.p+length);

 #define M_ASN1_D2I_Finish_2(a) \
 	if (!asn1_const_Finish(&c)) \
 		{ c.line=__LINE__; goto err; } \
 	*(const unsigned char **)pp=c.p; \
 	if (a != NULL) (*a)=ret; \
 	return(ret);

 #define M_ASN1_D2I_Finish(a,func,e) \
 	M_ASN1_D2I_Finish_2(a); \
 err:\
 	ASN1_MAC_H_err((e),c.error,c.line); \
 	asn1_add_error(*(const unsigned char **)pp,(int)(c.q- *pp)); \
 	if ((ret != NULL) && ((a == NULL) || (*a != ret))) func(ret); \
 	return(NULL)

 #define M_ASN1_D2I_start_sequence() \
 	if (!asn1_GetSequence(&c,&length)) \
 		{ c.line=__LINE__; goto err; }
 /* Begin reading ASN1 without a surrounding sequence */
 #define M_ASN1_D2I_begin() \
 	c.slen = length;

 /* End reading ASN1 with no check on length */
 #define M_ASN1_D2I_Finish_nolen(a, func, e) \
 	*pp=c.p; \
 	if (a != NULL) (*a)=ret; \
 	return(ret); \
 err:\
 	ASN1_MAC_H_err((e),c.error,c.line); \
 	asn1_add_error(*pp,(int)(c.q- *pp)); \
 	if ((ret != NULL) && ((a == NULL) || (*a != ret))) func(ret); \
 	return(NULL)

 #define M_ASN1_D2I_end_sequence() \
 	(((c.inf&1) == 0)?(c.slen <= 0): \
 		(c.eos=ASN1_const_check_infinite_end(&c.p,c.slen)))

 /* Don't use this with d2i_ASN1_BOOLEAN() */
 #define M_ASN1_D2I_get(b, func) \
 	c.q=c.p; \
 	if (func(&(b),&c.p,c.slen) == NULL) \
 		{c.line=__LINE__; goto err; } \
 	c.slen-=(c.p-c.q);

 /* Don't use this with d2i_ASN1_BOOLEAN() */
 #define M_ASN1_D2I_get_x(type,b,func) \
 	c.q=c.p; \
 	if (((D2I_OF(type))func)(&(b),&c.p,c.slen) == NULL) \
 		{c.line=__LINE__; goto err; } \
 	c.slen-=(c.p-c.q);

 /* use this instead () */
 #define M_ASN1_D2I_get_int(b,func) \
 	c.q=c.p; \
 	if (func(&(b),&c.p,c.slen) < 0) \
 		{c.line=__LINE__; goto err; } \
 	c.slen-=(c.p-c.q);

 #define M_ASN1_D2I_get_opt(b,func,type) \
 	if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) \
 		== (V_ASN1_UNIVERSAL|(type)))) \
 		{ \
 		M_ASN1_D2I_get(b,func); \
 		}

 #define M_ASN1_D2I_get_int_opt(b,func,type) \
 	if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) \
 		== (V_ASN1_UNIVERSAL|(type)))) \
 		{ \
 		M_ASN1_D2I_get_int(b,func); \
 		}

 #define M_ASN1_D2I_get_imp(b,func, type) \
 	M_ASN1_next=(_tmp& V_ASN1_CONSTRUCTED)|type; \
 	c.q=c.p; \
 	if (func(&(b),&c.p,c.slen) == NULL) \
 		{c.line=__LINE__; M_ASN1_next_prev = _tmp; goto err; } \
 	c.slen-=(c.p-c.q);\
 	M_ASN1_next_prev=_tmp;

 #define M_ASN1_D2I_get_IMP_opt(b,func,tag,type) \
 	if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) == \
 		(V_ASN1_CONTEXT_SPECIFIC|(tag)))) \
 		{ \
 		unsigned char _tmp = M_ASN1_next; \
 		M_ASN1_D2I_get_imp(b,func, type);\
 		}

 #define M_ASN1_D2I_get_set(r,func,free_func) \
 		M_ASN1_D2I_get_imp_set(r,func,free_func, \
 			V_ASN1_SET,V_ASN1_UNIVERSAL);

 #define M_ASN1_D2I_get_set_type(type,r,func,free_func) \
 		M_ASN1_D2I_get_imp_set_type(type,r,func,free_func, \
 			V_ASN1_SET,V_ASN1_UNIVERSAL);

 #define M_ASN1_D2I_get_set_opt(r,func,free_func) \
 	if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
 		V_ASN1_CONSTRUCTED|V_ASN1_SET)))\
 		{ M_ASN1_D2I_get_set(r,func,free_func); }

 #define M_ASN1_D2I_get_set_opt_type(type,r,func,free_func) \
 	if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
 		V_ASN1_CONSTRUCTED|V_ASN1_SET)))\
 		{ M_ASN1_D2I_get_set_type(type,r,func,free_func); }

 #define M_ASN1_I2D_len_SET_opt(a,f) \
 	if ((a != NULL) && (sk_num(a) != 0)) \
 		M_ASN1_I2D_len_SET(a,f);

 #define M_ASN1_I2D_put_SET_opt(a,f) \
 	if ((a != NULL) && (sk_num(a) != 0)) \
 		M_ASN1_I2D_put_SET(a,f);

 #define M_ASN1_I2D_put_SEQUENCE_opt(a,f) \
 	if ((a != NULL) && (sk_num(a) != 0)) \
 		M_ASN1_I2D_put_SEQUENCE(a,f);

 #define M_ASN1_I2D_put_SEQUENCE_opt_type(type,a,f) \
 	if ((a != NULL) && (sk_##type##_num(a) != 0)) \
 		M_ASN1_I2D_put_SEQUENCE_type(type,a,f);

 #define M_ASN1_D2I_get_IMP_set_opt(b,func,free_func,tag) \
 	if ((c.slen != 0) && \
 		(M_ASN1_next == \
 		(V_ASN1_CONTEXT_SPECIFIC|V_ASN1_CONSTRUCTED|(tag))))\
 		{ \
 		M_ASN1_D2I_get_imp_set(b,func,free_func,\
 			tag,V_ASN1_CONTEXT_SPECIFIC); \
 		}

 #define M_ASN1_D2I_get_IMP_set_opt_type(type,b,func,free_func,tag) \
 	if ((c.slen != 0) && \
 		(M_ASN1_next == \
 		(V_ASN1_CONTEXT_SPECIFIC|V_ASN1_CONSTRUCTED|(tag))))\
 		{ \
 		M_ASN1_D2I_get_imp_set_type(type,b,func,free_func,\
 			tag,V_ASN1_CONTEXT_SPECIFIC); \
 		}

 #define M_ASN1_D2I_get_seq(r,func,free_func) \
 		M_ASN1_D2I_get_imp_set(r,func,free_func,\
 			V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);

 #define M_ASN1_D2I_get_seq_type(type,r,func,free_func) \
 		M_ASN1_D2I_get_imp_set_type(type,r,func,free_func,\
 					    V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL)

 #define M_ASN1_D2I_get_seq_opt(r,func,free_func) \
 	if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
 		V_ASN1_CONSTRUCTED|V_ASN1_SEQUENCE)))\
 		{ M_ASN1_D2I_get_seq(r,func,free_func); }

 #define M_ASN1_D2I_get_seq_opt_type(type,r,func,free_func) \
 	if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
 		V_ASN1_CONSTRUCTED|V_ASN1_SEQUENCE)))\
 		{ M_ASN1_D2I_get_seq_type(type,r,func,free_func); }

 #define M_ASN1_D2I_get_IMP_set(r,func,free_func,x) \
 		M_ASN1_D2I_get_imp_set(r,func,free_func,\
 			x,V_ASN1_CONTEXT_SPECIFIC);

 #define M_ASN1_D2I_get_IMP_set_type(type,r,func,free_func,x) \
 		M_ASN1_D2I_get_imp_set_type(type,r,func,free_func,\
 			x,V_ASN1_CONTEXT_SPECIFIC);

 #define M_ASN1_D2I_get_imp_set(r,func,free_func,a,b) \
 	c.q=c.p; \
 	if (d2i_ASN1_SET(&(r),&c.p,c.slen,(char *(*)())func,\
 		(void (*)())free_func,a,b) == NULL) \
 		{ c.line=__LINE__; goto err; } \
 	c.slen-=(c.p-c.q);

 #define M_ASN1_D2I_get_imp_set_type(type,r,func,free_func,a,b) \
 	c.q=c.p; \
 	if (d2i_ASN1_SET_OF_##type(&(r),&c.p,c.slen,func,\
 				   free_func,a,b) == NULL) \
 		{ c.line=__LINE__; goto err; } \
 	c.slen-=(c.p-c.q);

 #define M_ASN1_D2I_get_set_strings(r,func,a,b) \
 	c.q=c.p; \
 	if (d2i_ASN1_STRING_SET(&(r),&c.p,c.slen,a,b) == NULL) \
 		{ c.line=__LINE__; goto err; } \
 	c.slen-=(c.p-c.q);

 #define M_ASN1_D2I_get_EXP_opt(r,func,tag) \
 	if ((c.slen != 0L) && (M_ASN1_next == \
 		(V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
 		{ \
 		int Tinf,Ttag,Tclass; \
 		long Tlen; \
 		\
 		c.q=c.p; \
 		Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
 		if (Tinf & 0x80) \
 			{ c.error=ASN1_R_BAD_OBJECT_HEADER; \
 			c.line=__LINE__; goto err; } \
 		if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
 					Tlen = c.slen - (c.p - c.q) - 2; \
 		if (func(&(r),&c.p,Tlen) == NULL) \
 			{ c.line=__LINE__; goto err; } \
 		if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
 			Tlen = c.slen - (c.p - c.q); \
 			if(!ASN1_const_check_infinite_end(&c.p, Tlen)) \
 				{ c.error=ASN1_R_MISSING_ASN1_EOS; \
 				c.line=__LINE__; goto err; } \
 		}\
 		c.slen-=(c.p-c.q); \
 		}

 #define M_ASN1_D2I_get_EXP_set_opt(r,func,free_func,tag,b) \
 	if ((c.slen != 0) && (M_ASN1_next == \
 		(V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
 		{ \
 		int Tinf,Ttag,Tclass; \
 		long Tlen; \
 		\
 		c.q=c.p; \
 		Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
 		if (Tinf & 0x80) \
 			{ c.error=ASN1_R_BAD_OBJECT_HEADER; \
 			c.line=__LINE__; goto err; } \
 		if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
 					Tlen = c.slen - (c.p - c.q) - 2; \
 		if (d2i_ASN1_SET(&(r),&c.p,Tlen,(char *(*)())func, \
 			(void (*)())free_func, \
 			b,V_ASN1_UNIVERSAL) == NULL) \
 			{ c.line=__LINE__; goto err; } \
 		if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
 			Tlen = c.slen - (c.p - c.q); \
 			if(!ASN1_check_infinite_end(&c.p, Tlen)) \
 				{ c.error=ASN1_R_MISSING_ASN1_EOS; \
 				c.line=__LINE__; goto err; } \
 		}\
 		c.slen-=(c.p-c.q); \
 		}

 #define M_ASN1_D2I_get_EXP_set_opt_type(type,r,func,free_func,tag,b) \
 	if ((c.slen != 0) && (M_ASN1_next == \
 		(V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
 		{ \
 		int Tinf,Ttag,Tclass; \
 		long Tlen; \
 		\
 		c.q=c.p; \
 		Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
 		if (Tinf & 0x80) \
 			{ c.error=ASN1_R_BAD_OBJECT_HEADER; \
 			c.line=__LINE__; goto err; } \
 		if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
 					Tlen = c.slen - (c.p - c.q) - 2; \
 		if (d2i_ASN1_SET_OF_##type(&(r),&c.p,Tlen,func, \
 			free_func,b,V_ASN1_UNIVERSAL) == NULL) \
 			{ c.line=__LINE__; goto err; } \
 		if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
 			Tlen = c.slen - (c.p - c.q); \
 			if(!ASN1_check_infinite_end(&c.p, Tlen)) \
 				{ c.error=ASN1_R_MISSING_ASN1_EOS; \
 				c.line=__LINE__; goto err; } \
 		}\
 		c.slen-=(c.p-c.q); \
 		}

 /* New macros */
 #define M_ASN1_New_Malloc(ret,type) \
 	if ((ret=(type *)OPENSSL_malloc(sizeof(type))) == NULL) \
 		{ c.line=__LINE__; goto err2; }

 #define M_ASN1_New(arg,func) \
 	if (((arg)=func()) == NULL) return(NULL)

 #define M_ASN1_New_Error(a) \
 /*	err:	ASN1_MAC_H_err((a),ASN1_R_NESTED_ASN1_ERROR,c.line); \
 		return(NULL);*/ \
 	err2:	ASN1_MAC_H_err((a),ASN1_R_MALLOC_FAILURE,c.line); \
 		return(NULL)


 /* BIG UGLY WARNING!  This is so damn ugly I wanna puke.  Unfortunately,
    some macros that use ASN1_const_CTX still insist on writing in the input
    stream.  ARGH!  ARGH!  ARGH!  Let's get rid of this macro package.
    Please?						-- Richard Levitte */
 #define M_ASN1_next		(*((unsigned char *)(c.p)))
 #define M_ASN1_next_prev	(*((unsigned char *)(c.q)))

 /*************************************************/

 #define M_ASN1_I2D_vars(a)	int r=0,ret=0; \
 				unsigned char *p; \
 				if (a == NULL) return(0)

 /* Length Macros */
 #define M_ASN1_I2D_len(a,f)	ret+=f(a,NULL)
 #define M_ASN1_I2D_len_IMP_opt(a,f)	if (a != NULL) M_ASN1_I2D_len(a,f)

 #define M_ASN1_I2D_len_SET(a,f) \
 		ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);

 #define M_ASN1_I2D_len_SET_type(type,a,f) \
 		ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,V_ASN1_SET, \
 					    V_ASN1_UNIVERSAL,IS_SET);

 #define M_ASN1_I2D_len_SEQUENCE(a,f) \
 		ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, \
 				  IS_SEQUENCE);

 #define M_ASN1_I2D_len_SEQUENCE_type(type,a,f) \
 		ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,V_ASN1_SEQUENCE, \
 					    V_ASN1_UNIVERSAL,IS_SEQUENCE)

 #define M_ASN1_I2D_len_SEQUENCE_opt(a,f) \
 		if ((a != NULL) && (sk_num(a) != 0)) \
 			M_ASN1_I2D_len_SEQUENCE(a,f);

 #define M_ASN1_I2D_len_SEQUENCE_opt_type(type,a,f) \
 		if ((a != NULL) && (sk_##type##_num(a) != 0)) \
 			M_ASN1_I2D_len_SEQUENCE_type(type,a,f);

 #define M_ASN1_I2D_len_IMP_SET(a,f,x) \
 		ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC,IS_SET);

 #define M_ASN1_I2D_len_IMP_SET_type(type,a,f,x) \
 		ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,x, \
 					    V_ASN1_CONTEXT_SPECIFIC,IS_SET);

 #define M_ASN1_I2D_len_IMP_SET_opt(a,f,x) \
 		if ((a != NULL) && (sk_num(a) != 0)) \
 			ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
 					  IS_SET);

 #define M_ASN1_I2D_len_IMP_SET_opt_type(type,a,f,x) \
 		if ((a != NULL) && (sk_##type##_num(a) != 0)) \
 			ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,x, \
 					       V_ASN1_CONTEXT_SPECIFIC,IS_SET);

 #define M_ASN1_I2D_len_IMP_SEQUENCE(a,f,x) \
 		ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
 				  IS_SEQUENCE);

 #define M_ASN1_I2D_len_IMP_SEQUENCE_opt(a,f,x) \
 		if ((a != NULL) && (sk_num(a) != 0)) \
 			ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
 					  IS_SEQUENCE);

 #define M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(type,a,f,x) \
 		if ((a != NULL) && (sk_##type##_num(a) != 0)) \
 			ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,x, \
 						    V_ASN1_CONTEXT_SPECIFIC, \
 						    IS_SEQUENCE);

 #define M_ASN1_I2D_len_EXP_opt(a,f,mtag,v) \
 		if (a != NULL)\
 			{ \
 			v=f(a,NULL); \
 			ret+=ASN1_object_size(1,v,mtag); \
 			}

 #define M_ASN1_I2D_len_EXP_SET_opt(a,f,mtag,tag,v) \
 		if ((a != NULL) && (sk_num(a) != 0))\
 			{ \
 			v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL,IS_SET); \
 			ret+=ASN1_object_size(1,v,mtag); \
 			}

 #define M_ASN1_I2D_len_EXP_SEQUENCE_opt(a,f,mtag,tag,v) \
 		if ((a != NULL) && (sk_num(a) != 0))\
 			{ \
 			v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL, \
 				       IS_SEQUENCE); \
 			ret+=ASN1_object_size(1,v,mtag); \
 			}

 #define M_ASN1_I2D_len_EXP_SEQUENCE_opt_type(type,a,f,mtag,tag,v) \
 		if ((a != NULL) && (sk_##type##_num(a) != 0))\
 			{ \
 			v=i2d_ASN1_SET_OF_##type(a,NULL,f,tag, \
 						 V_ASN1_UNIVERSAL, \
 						 IS_SEQUENCE); \
 			ret+=ASN1_object_size(1,v,mtag); \
 			}

 /* Put Macros */
 #define M_ASN1_I2D_put(a,f)	f(a,&p)

 #define M_ASN1_I2D_put_IMP_opt(a,f,t)	\
 		if (a != NULL) \
 			{ \
 			unsigned char *q=p; \
 			f(a,&p); \
 			*q=(V_ASN1_CONTEXT_SPECIFIC|t|(*q&V_ASN1_CONSTRUCTED));\
 			}

 #define M_ASN1_I2D_put_SET(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SET,\
 			V_ASN1_UNIVERSAL,IS_SET)
 #define M_ASN1_I2D_put_SET_type(type,a,f) \
      i2d_ASN1_SET_OF_##type(a,&p,f,V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET)
 #define M_ASN1_I2D_put_IMP_SET(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
 			V_ASN1_CONTEXT_SPECIFIC,IS_SET)
 #define M_ASN1_I2D_put_IMP_SET_type(type,a,f,x) \
      i2d_ASN1_SET_OF_##type(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC,IS_SET)
 #define M_ASN1_I2D_put_IMP_SEQUENCE(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
 			V_ASN1_CONTEXT_SPECIFIC,IS_SEQUENCE)

 #define M_ASN1_I2D_put_SEQUENCE(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SEQUENCE,\
 					     V_ASN1_UNIVERSAL,IS_SEQUENCE)

 #define M_ASN1_I2D_put_SEQUENCE_type(type,a,f) \
      i2d_ASN1_SET_OF_##type(a,&p,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, \
 			    IS_SEQUENCE)

 #define M_ASN1_I2D_put_SEQUENCE_opt(a,f) \
 		if ((a != NULL) && (sk_num(a) != 0)) \
 			M_ASN1_I2D_put_SEQUENCE(a,f);

 #define M_ASN1_I2D_put_IMP_SET_opt(a,f,x) \
 		if ((a != NULL) && (sk_num(a) != 0)) \
 			{ i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC, \
 				       IS_SET); }

 #define M_ASN1_I2D_put_IMP_SET_opt_type(type,a,f,x) \
 		if ((a != NULL) && (sk_##type##_num(a) != 0)) \
 			{ i2d_ASN1_SET_OF_##type(a,&p,f,x, \
 						 V_ASN1_CONTEXT_SPECIFIC, \
 						 IS_SET); }

 #define M_ASN1_I2D_put_IMP_SEQUENCE_opt(a,f,x) \
 		if ((a != NULL) && (sk_num(a) != 0)) \
 			{ i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC, \
 				       IS_SEQUENCE); }

 #define M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(type,a,f,x) \
 		if ((a != NULL) && (sk_##type##_num(a) != 0)) \
 			{ i2d_ASN1_SET_OF_##type(a,&p,f,x, \
 						 V_ASN1_CONTEXT_SPECIFIC, \
 						 IS_SEQUENCE); }

 #define M_ASN1_I2D_put_EXP_opt(a,f,tag,v) \
 		if (a != NULL) \
 			{ \
 			ASN1_put_object(&p,1,v,tag,V_ASN1_CONTEXT_SPECIFIC); \
 			f(a,&p); \
 			}

 #define M_ASN1_I2D_put_EXP_SET_opt(a,f,mtag,tag,v) \
 		if ((a != NULL) && (sk_num(a) != 0)) \
 			{ \
 			ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
 			i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SET); \
 			}

 #define M_ASN1_I2D_put_EXP_SEQUENCE_opt(a,f,mtag,tag,v) \
 		if ((a != NULL) && (sk_num(a) != 0)) \
 			{ \
 			ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
 			i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SEQUENCE); \
 			}

 #define M_ASN1_I2D_put_EXP_SEQUENCE_opt_type(type,a,f,mtag,tag,v) \
 		if ((a != NULL) && (sk_##type##_num(a) != 0)) \
 			{ \
 			ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
 			i2d_ASN1_SET_OF_##type(a,&p,f,tag,V_ASN1_UNIVERSAL, \
 					       IS_SEQUENCE); \
 			}

 #define M_ASN1_I2D_seq_total() \
 		r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE); \
 		if (pp == NULL) return(r); \
 		p= *pp; \
 		ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL)

 #define M_ASN1_I2D_INF_seq_start(tag,ctx) \
 		*(p++)=(V_ASN1_CONSTRUCTED|(tag)|(ctx)); \
 		*(p++)=0x80

 #define M_ASN1_I2D_INF_seq_end() *(p++)=0x00; *(p++)=0x00

 #define M_ASN1_I2D_finish()	*pp=p; \
 				return(r);

 OPENSSL_EXPORT int asn1_GetSequence(ASN1_const_CTX *c, long *length);
 OPENSSL_EXPORT void asn1_add_error(const unsigned char *address, int offset);
 #ifdef  __cplusplus
 }
 #endif

 #endif
	/* crypto/asn1/asn1_mac.h */
	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
	* All rights reserved.
	*
	* This package is an SSL implementation written
	* by Eric Young (eay@cryptsoft.com).
	* The implementation was written so as to conform with Netscapes SSL.
	*
	* This library is free for commercial and non-commercial use as long as
	* the following conditions are aheared to. The following conditions
	* apply to all code found in this distribution, be it the RC4, RSA,
	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	* included with this distribution is covered by the same copyright terms
	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	*
	* Copyright remains Eric Young's, and as such any Copyright notices in
	* the code are not to be removed.
	* If this package is used in a product, Eric Young should be given attribution
	* as the author of the parts of the library used.
	* This can be in the form of a textual message at program startup or
	* in documentation (online or textual) provided with the package.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. All advertising materials mentioning features or use of this software
	* must display the following acknowledgement:
	* "This product includes cryptographic software written by
	* Eric Young (eay@cryptsoft.com)"
	* The word 'cryptographic' can be left out if the rouines from the library
	* being used are not cryptographic related :-).
	* 4. If you include any Windows specific code (or a derivative thereof) from
	* the apps directory (application code) you must include an acknowledgement:
	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	*
	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.
	*
	* The licence and distribution terms for any publically available version or
	* derivative of this code cannot be changed. i.e. this code cannot simply be
	* copied and put under another distribution licence
	* [including the GNU Public Licence.]
	*/

	#ifndef HEADER_ASN1_MAC_H
	#define HEADER_ASN1_MAC_H

	#include <openssl/asn1.h>

	#ifdef __cplusplus
	extern "C" {
	#endif

	#ifndef ASN1_MAC_ERR_LIB
	#define ASN1_MAC_ERR_LIB ERR_LIB_ASN1
	#endif

	#define ASN1_MAC_H_err(f,r,line) \
	ERR_put_error(ASN1_MAC_ERR_LIB,(f),(r),__FILE__,(line))

	#define M_ASN1_D2I_vars(a,type,func) \
	ASN1_const_CTX c; \
	type ret=NULL; \
	\
	c.pp=(const unsigned char **)pp; \
	c.q= (const unsigned char *)pp; \
	c.error=ASN1_R_NESTED_ASN1_ERROR; \
	if ((a == NULL) \|\| ((*a) == NULL)) \
	{ if ((ret=(type)func()) == NULL) \
	{ c.line=__LINE__; goto err; } } \
	else ret=(*a);

	#define M_ASN1_D2I_Init() \
	c.p= (const unsigned char *)pp; \
	c.max=(length == 0)?0:(c.p+length);

	#define M_ASN1_D2I_Finish_2(a) \
	if (!asn1_const_Finish(&c)) \
	{ c.line=__LINE__; goto err; } \
	(const unsigned char *)pp=c.p; \
	if (a != NULL) (*a)=ret; \
	return(ret);

	#define M_ASN1_D2I_Finish(a,func,e) \
	M_ASN1_D2I_Finish_2(a); \
	err:\
	ASN1_MAC_H_err((e),c.error,c.line); \
	asn1_add_error((const unsigned char )pp,(int)(c.q- pp)); \
	if ((ret != NULL) && ((a == NULL) \|\| (*a != ret))) func(ret); \
	return(NULL)

	#define M_ASN1_D2I_start_sequence() \
	if (!asn1_GetSequence(&c,&length)) \
	{ c.line=__LINE__; goto err; }
	/* Begin reading ASN1 without a surrounding sequence */
	#define M_ASN1_D2I_begin() \
	c.slen = length;

	/* End reading ASN1 with no check on length */
	#define M_ASN1_D2I_Finish_nolen(a, func, e) \
	*pp=c.p; \
	if (a != NULL) (*a)=ret; \
	return(ret); \
	err:\
	ASN1_MAC_H_err((e),c.error,c.line); \
	asn1_add_error(pp,(int)(c.q- pp)); \
	if ((ret != NULL) && ((a == NULL) \|\| (*a != ret))) func(ret); \
	return(NULL)

	#define M_ASN1_D2I_end_sequence() \
	(((c.inf&1) == 0)?(c.slen <= 0): \
	(c.eos=ASN1_const_check_infinite_end(&c.p,c.slen)))

	/* Don't use this with d2i_ASN1_BOOLEAN() */
	#define M_ASN1_D2I_get(b, func) \
	c.q=c.p; \
	if (func(&(b),&c.p,c.slen) == NULL) \
	{c.line=__LINE__; goto err; } \
	c.slen-=(c.p-c.q);

	/* Don't use this with d2i_ASN1_BOOLEAN() */
	#define M_ASN1_D2I_get_x(type,b,func) \
	c.q=c.p; \
	if (((D2I_OF(type))func)(&(b),&c.p,c.slen) == NULL) \
	{c.line=__LINE__; goto err; } \
	c.slen-=(c.p-c.q);

	/* use this instead () */
	#define M_ASN1_D2I_get_int(b,func) \
	c.q=c.p; \
	if (func(&(b),&c.p,c.slen) < 0) \
	{c.line=__LINE__; goto err; } \
	c.slen-=(c.p-c.q);

	#define M_ASN1_D2I_get_opt(b,func,type) \
	if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) \
	== (V_ASN1_UNIVERSAL\|(type)))) \
	{ \
	M_ASN1_D2I_get(b,func); \
	}

	#define M_ASN1_D2I_get_int_opt(b,func,type) \
	if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) \
	== (V_ASN1_UNIVERSAL\|(type)))) \
	{ \
	M_ASN1_D2I_get_int(b,func); \
	}

	#define M_ASN1_D2I_get_imp(b,func, type) \
	M_ASN1_next=(_tmp& V_ASN1_CONSTRUCTED)\|type; \
	c.q=c.p; \
	if (func(&(b),&c.p,c.slen) == NULL) \
	{c.line=__LINE__; M_ASN1_next_prev = _tmp; goto err; } \
	c.slen-=(c.p-c.q);\
	M_ASN1_next_prev=_tmp;

	#define M_ASN1_D2I_get_IMP_opt(b,func,tag,type) \
	if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) == \
	(V_ASN1_CONTEXT_SPECIFIC\|(tag)))) \
	{ \
	unsigned char _tmp = M_ASN1_next; \
	M_ASN1_D2I_get_imp(b,func, type);\
	}

	#define M_ASN1_D2I_get_set(r,func,free_func) \
	M_ASN1_D2I_get_imp_set(r,func,free_func, \
	V_ASN1_SET,V_ASN1_UNIVERSAL);

	#define M_ASN1_D2I_get_set_type(type,r,func,free_func) \
	M_ASN1_D2I_get_imp_set_type(type,r,func,free_func, \
	V_ASN1_SET,V_ASN1_UNIVERSAL);

	#define M_ASN1_D2I_get_set_opt(r,func,free_func) \
	if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL\| \
	V_ASN1_CONSTRUCTED\|V_ASN1_SET)))\
	{ M_ASN1_D2I_get_set(r,func,free_func); }

	#define M_ASN1_D2I_get_set_opt_type(type,r,func,free_func) \
	if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL\| \
	V_ASN1_CONSTRUCTED\|V_ASN1_SET)))\
	{ M_ASN1_D2I_get_set_type(type,r,func,free_func); }

	#define M_ASN1_I2D_len_SET_opt(a,f) \
	if ((a != NULL) && (sk_num(a) != 0)) \
	M_ASN1_I2D_len_SET(a,f);

	#define M_ASN1_I2D_put_SET_opt(a,f) \
	if ((a != NULL) && (sk_num(a) != 0)) \
	M_ASN1_I2D_put_SET(a,f);

	#define M_ASN1_I2D_put_SEQUENCE_opt(a,f) \
	if ((a != NULL) && (sk_num(a) != 0)) \
	M_ASN1_I2D_put_SEQUENCE(a,f);

	#define M_ASN1_I2D_put_SEQUENCE_opt_type(type,a,f) \
	if ((a != NULL) && (sk_##type##_num(a) != 0)) \
	M_ASN1_I2D_put_SEQUENCE_type(type,a,f);

	#define M_ASN1_D2I_get_IMP_set_opt(b,func,free_func,tag) \
	if ((c.slen != 0) && \
	(M_ASN1_next == \
	(V_ASN1_CONTEXT_SPECIFIC\|V_ASN1_CONSTRUCTED\|(tag))))\
	{ \
	M_ASN1_D2I_get_imp_set(b,func,free_func,\
	tag,V_ASN1_CONTEXT_SPECIFIC); \
	}

	#define M_ASN1_D2I_get_IMP_set_opt_type(type,b,func,free_func,tag) \
	if ((c.slen != 0) && \
	(M_ASN1_next == \
	(V_ASN1_CONTEXT_SPECIFIC\|V_ASN1_CONSTRUCTED\|(tag))))\
	{ \
	M_ASN1_D2I_get_imp_set_type(type,b,func,free_func,\
	tag,V_ASN1_CONTEXT_SPECIFIC); \
	}

	#define M_ASN1_D2I_get_seq(r,func,free_func) \
	M_ASN1_D2I_get_imp_set(r,func,free_func,\
	V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);

	#define M_ASN1_D2I_get_seq_type(type,r,func,free_func) \
	M_ASN1_D2I_get_imp_set_type(type,r,func,free_func,\
	V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL)

	#define M_ASN1_D2I_get_seq_opt(r,func,free_func) \
	if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL\| \
	V_ASN1_CONSTRUCTED\|V_ASN1_SEQUENCE)))\
	{ M_ASN1_D2I_get_seq(r,func,free_func); }

	#define M_ASN1_D2I_get_seq_opt_type(type,r,func,free_func) \
	if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL\| \
	V_ASN1_CONSTRUCTED\|V_ASN1_SEQUENCE)))\
	{ M_ASN1_D2I_get_seq_type(type,r,func,free_func); }

	#define M_ASN1_D2I_get_IMP_set(r,func,free_func,x) \
	M_ASN1_D2I_get_imp_set(r,func,free_func,\
	x,V_ASN1_CONTEXT_SPECIFIC);

	#define M_ASN1_D2I_get_IMP_set_type(type,r,func,free_func,x) \
	M_ASN1_D2I_get_imp_set_type(type,r,func,free_func,\
	x,V_ASN1_CONTEXT_SPECIFIC);

	#define M_ASN1_D2I_get_imp_set(r,func,free_func,a,b) \
	c.q=c.p; \
	if (d2i_ASN1_SET(&(r),&c.p,c.slen,(char ()())func,\
	(void (*)())free_func,a,b) == NULL) \
	{ c.line=__LINE__; goto err; } \
	c.slen-=(c.p-c.q);

	#define M_ASN1_D2I_get_imp_set_type(type,r,func,free_func,a,b) \
	c.q=c.p; \
	if (d2i_ASN1_SET_OF_##type(&(r),&c.p,c.slen,func,\
	free_func,a,b) == NULL) \
	{ c.line=__LINE__; goto err; } \
	c.slen-=(c.p-c.q);

	#define M_ASN1_D2I_get_set_strings(r,func,a,b) \
	c.q=c.p; \
	if (d2i_ASN1_STRING_SET(&(r),&c.p,c.slen,a,b) == NULL) \
	{ c.line=__LINE__; goto err; } \
	c.slen-=(c.p-c.q);

	#define M_ASN1_D2I_get_EXP_opt(r,func,tag) \
	if ((c.slen != 0L) && (M_ASN1_next == \
	(V_ASN1_CONSTRUCTED\|V_ASN1_CONTEXT_SPECIFIC\|tag))) \
	{ \
	int Tinf,Ttag,Tclass; \
	long Tlen; \
	\
	c.q=c.p; \
	Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
	if (Tinf & 0x80) \
	{ c.error=ASN1_R_BAD_OBJECT_HEADER; \
	c.line=__LINE__; goto err; } \
	if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
	Tlen = c.slen - (c.p - c.q) - 2; \
	if (func(&(r),&c.p,Tlen) == NULL) \
	{ c.line=__LINE__; goto err; } \
	if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
	Tlen = c.slen - (c.p - c.q); \
	if(!ASN1_const_check_infinite_end(&c.p, Tlen)) \
	{ c.error=ASN1_R_MISSING_ASN1_EOS; \
	c.line=__LINE__; goto err; } \
	}\
	c.slen-=(c.p-c.q); \
	}

	#define M_ASN1_D2I_get_EXP_set_opt(r,func,free_func,tag,b) \
	if ((c.slen != 0) && (M_ASN1_next == \
	(V_ASN1_CONSTRUCTED\|V_ASN1_CONTEXT_SPECIFIC\|tag))) \
	{ \
	int Tinf,Ttag,Tclass; \
	long Tlen; \
	\
	c.q=c.p; \
	Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
	if (Tinf & 0x80) \
	{ c.error=ASN1_R_BAD_OBJECT_HEADER; \
	c.line=__LINE__; goto err; } \
	if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
	Tlen = c.slen - (c.p - c.q) - 2; \
	if (d2i_ASN1_SET(&(r),&c.p,Tlen,(char ()())func, \
	(void (*)())free_func, \
	b,V_ASN1_UNIVERSAL) == NULL) \
	{ c.line=__LINE__; goto err; } \
	if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
	Tlen = c.slen - (c.p - c.q); \
	if(!ASN1_check_infinite_end(&c.p, Tlen)) \
	{ c.error=ASN1_R_MISSING_ASN1_EOS; \
	c.line=__LINE__; goto err; } \
	}\
	c.slen-=(c.p-c.q); \
	}

	#define M_ASN1_D2I_get_EXP_set_opt_type(type,r,func,free_func,tag,b) \
	if ((c.slen != 0) && (M_ASN1_next == \
	(V_ASN1_CONSTRUCTED\|V_ASN1_CONTEXT_SPECIFIC\|tag))) \
	{ \
	int Tinf,Ttag,Tclass; \
	long Tlen; \
	\
	c.q=c.p; \
	Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
	if (Tinf & 0x80) \
	{ c.error=ASN1_R_BAD_OBJECT_HEADER; \
	c.line=__LINE__; goto err; } \
	if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
	Tlen = c.slen - (c.p - c.q) - 2; \
	if (d2i_ASN1_SET_OF_##type(&(r),&c.p,Tlen,func, \
	free_func,b,V_ASN1_UNIVERSAL) == NULL) \
	{ c.line=__LINE__; goto err; } \
	if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
	Tlen = c.slen - (c.p - c.q); \
	if(!ASN1_check_infinite_end(&c.p, Tlen)) \
	{ c.error=ASN1_R_MISSING_ASN1_EOS; \
	c.line=__LINE__; goto err; } \
	}\
	c.slen-=(c.p-c.q); \
	}

	/* New macros */
	#define M_ASN1_New_Malloc(ret,type) \
	if ((ret=(type *)OPENSSL_malloc(sizeof(type))) == NULL) \
	{ c.line=__LINE__; goto err2; }

	#define M_ASN1_New(arg,func) \
	if (((arg)=func()) == NULL) return(NULL)

	#define M_ASN1_New_Error(a) \
	/* err: ASN1_MAC_H_err((a),ASN1_R_NESTED_ASN1_ERROR,c.line); \
	return(NULL);*/ \
	err2: ASN1_MAC_H_err((a),ASN1_R_MALLOC_FAILURE,c.line); \
	return(NULL)


	/* BIG UGLY WARNING! This is so damn ugly I wanna puke. Unfortunately,
	some macros that use ASN1_const_CTX still insist on writing in the input
	stream. ARGH! ARGH! ARGH! Let's get rid of this macro package.
	Please? -- Richard Levitte */
	#define M_ASN1_next (((unsigned char )(c.p)))
	#define M_ASN1_next_prev (((unsigned char )(c.q)))

	/*************************************************/

	#define M_ASN1_I2D_vars(a) int r=0,ret=0; \
	unsigned char *p; \
	if (a == NULL) return(0)

	/* Length Macros */
	#define M_ASN1_I2D_len(a,f) ret+=f(a,NULL)
	#define M_ASN1_I2D_len_IMP_opt(a,f) if (a != NULL) M_ASN1_I2D_len(a,f)

	#define M_ASN1_I2D_len_SET(a,f) \
	ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);

	#define M_ASN1_I2D_len_SET_type(type,a,f) \
	ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,V_ASN1_SET, \
	V_ASN1_UNIVERSAL,IS_SET);

	#define M_ASN1_I2D_len_SEQUENCE(a,f) \
	ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, \
	IS_SEQUENCE);

	#define M_ASN1_I2D_len_SEQUENCE_type(type,a,f) \
	ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,V_ASN1_SEQUENCE, \
	V_ASN1_UNIVERSAL,IS_SEQUENCE)

	#define M_ASN1_I2D_len_SEQUENCE_opt(a,f) \
	if ((a != NULL) && (sk_num(a) != 0)) \
	M_ASN1_I2D_len_SEQUENCE(a,f);

	#define M_ASN1_I2D_len_SEQUENCE_opt_type(type,a,f) \
	if ((a != NULL) && (sk_##type##_num(a) != 0)) \
	M_ASN1_I2D_len_SEQUENCE_type(type,a,f);

	#define M_ASN1_I2D_len_IMP_SET(a,f,x) \
	ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC,IS_SET);

	#define M_ASN1_I2D_len_IMP_SET_type(type,a,f,x) \
	ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,x, \
	V_ASN1_CONTEXT_SPECIFIC,IS_SET);

	#define M_ASN1_I2D_len_IMP_SET_opt(a,f,x) \
	if ((a != NULL) && (sk_num(a) != 0)) \
	ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
	IS_SET);

	#define M_ASN1_I2D_len_IMP_SET_opt_type(type,a,f,x) \
	if ((a != NULL) && (sk_##type##_num(a) != 0)) \
	ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,x, \
	V_ASN1_CONTEXT_SPECIFIC,IS_SET);

	#define M_ASN1_I2D_len_IMP_SEQUENCE(a,f,x) \
	ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
	IS_SEQUENCE);

	#define M_ASN1_I2D_len_IMP_SEQUENCE_opt(a,f,x) \
	if ((a != NULL) && (sk_num(a) != 0)) \
	ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
	IS_SEQUENCE);

	#define M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(type,a,f,x) \
	if ((a != NULL) && (sk_##type##_num(a) != 0)) \
	ret+=i2d_ASN1_SET_OF_##type(a,NULL,f,x, \
	V_ASN1_CONTEXT_SPECIFIC, \
	IS_SEQUENCE);

	#define M_ASN1_I2D_len_EXP_opt(a,f,mtag,v) \
	if (a != NULL)\
	{ \
	v=f(a,NULL); \
	ret+=ASN1_object_size(1,v,mtag); \
	}

	#define M_ASN1_I2D_len_EXP_SET_opt(a,f,mtag,tag,v) \
	if ((a != NULL) && (sk_num(a) != 0))\
	{ \
	v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL,IS_SET); \
	ret+=ASN1_object_size(1,v,mtag); \
	}

	#define M_ASN1_I2D_len_EXP_SEQUENCE_opt(a,f,mtag,tag,v) \
	if ((a != NULL) && (sk_num(a) != 0))\
	{ \
	v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL, \
	IS_SEQUENCE); \
	ret+=ASN1_object_size(1,v,mtag); \
	}

	#define M_ASN1_I2D_len_EXP_SEQUENCE_opt_type(type,a,f,mtag,tag,v) \
	if ((a != NULL) && (sk_##type##_num(a) != 0))\
	{ \
	v=i2d_ASN1_SET_OF_##type(a,NULL,f,tag, \
	V_ASN1_UNIVERSAL, \
	IS_SEQUENCE); \
	ret+=ASN1_object_size(1,v,mtag); \
	}

	/* Put Macros */
	#define M_ASN1_I2D_put(a,f) f(a,&p)

	#define M_ASN1_I2D_put_IMP_opt(a,f,t) \
	if (a != NULL) \
	{ \
	unsigned char *q=p; \
	f(a,&p); \
	q=(V_ASN1_CONTEXT_SPECIFIC\|t\|(q&V_ASN1_CONSTRUCTED));\
	}

	#define M_ASN1_I2D_put_SET(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SET,\
	V_ASN1_UNIVERSAL,IS_SET)
	#define M_ASN1_I2D_put_SET_type(type,a,f) \
	i2d_ASN1_SET_OF_##type(a,&p,f,V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET)
	#define M_ASN1_I2D_put_IMP_SET(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
	V_ASN1_CONTEXT_SPECIFIC,IS_SET)
	#define M_ASN1_I2D_put_IMP_SET_type(type,a,f,x) \
	i2d_ASN1_SET_OF_##type(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC,IS_SET)
	#define M_ASN1_I2D_put_IMP_SEQUENCE(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
	V_ASN1_CONTEXT_SPECIFIC,IS_SEQUENCE)

	#define M_ASN1_I2D_put_SEQUENCE(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SEQUENCE,\
	V_ASN1_UNIVERSAL,IS_SEQUENCE)

	#define M_ASN1_I2D_put_SEQUENCE_type(type,a,f) \
	i2d_ASN1_SET_OF_##type(a,&p,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, \
	IS_SEQUENCE)

	#define M_ASN1_I2D_put_SEQUENCE_opt(a,f) \
	if ((a != NULL) && (sk_num(a) != 0)) \
	M_ASN1_I2D_put_SEQUENCE(a,f);

	#define M_ASN1_I2D_put_IMP_SET_opt(a,f,x) \
	if ((a != NULL) && (sk_num(a) != 0)) \
	{ i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC, \
	IS_SET); }

	#define M_ASN1_I2D_put_IMP_SET_opt_type(type,a,f,x) \
	if ((a != NULL) && (sk_##type##_num(a) != 0)) \
	{ i2d_ASN1_SET_OF_##type(a,&p,f,x, \
	V_ASN1_CONTEXT_SPECIFIC, \
	IS_SET); }

	#define M_ASN1_I2D_put_IMP_SEQUENCE_opt(a,f,x) \
	if ((a != NULL) && (sk_num(a) != 0)) \
	{ i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC, \
	IS_SEQUENCE); }

	#define M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(type,a,f,x) \
	if ((a != NULL) && (sk_##type##_num(a) != 0)) \
	{ i2d_ASN1_SET_OF_##type(a,&p,f,x, \
	V_ASN1_CONTEXT_SPECIFIC, \
	IS_SEQUENCE); }

	#define M_ASN1_I2D_put_EXP_opt(a,f,tag,v) \
	if (a != NULL) \
	{ \
	ASN1_put_object(&p,1,v,tag,V_ASN1_CONTEXT_SPECIFIC); \
	f(a,&p); \
	}

	#define M_ASN1_I2D_put_EXP_SET_opt(a,f,mtag,tag,v) \
	if ((a != NULL) && (sk_num(a) != 0)) \
	{ \
	ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
	i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SET); \
	}

	#define M_ASN1_I2D_put_EXP_SEQUENCE_opt(a,f,mtag,tag,v) \
	if ((a != NULL) && (sk_num(a) != 0)) \
	{ \
	ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
	i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SEQUENCE); \
	}

	#define M_ASN1_I2D_put_EXP_SEQUENCE_opt_type(type,a,f,mtag,tag,v) \
	if ((a != NULL) && (sk_##type##_num(a) != 0)) \
	{ \
	ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
	i2d_ASN1_SET_OF_##type(a,&p,f,tag,V_ASN1_UNIVERSAL, \
	IS_SEQUENCE); \
	}

	#define M_ASN1_I2D_seq_total() \
	r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE); \
	if (pp == NULL) return(r); \
	p= *pp; \
	ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL)

	#define M_ASN1_I2D_INF_seq_start(tag,ctx) \
	*(p++)=(V_ASN1_CONSTRUCTED\|(tag)\|(ctx)); \
	*(p++)=0x80

	#define M_ASN1_I2D_INF_seq_end() (p++)=0x00; (p++)=0x00

	#define M_ASN1_I2D_finish() *pp=p; \
	return(r);

	OPENSSL_EXPORT int asn1_GetSequence(ASN1_const_CTX c, long length);
	OPENSSL_EXPORT void asn1_add_error(const unsigned char *address, int offset);
	#ifdef __cplusplus
	}
	#endif

	#endif