Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/pkcs7/pk7_lib.c

Index: openssl/crypto/pkcs7/pk7_lib.c
diff --git a/openssl/crypto/pkcs7/pk7_lib.c b/openssl/crypto/pkcs7/pk7_lib.c
deleted file mode 100644
index d411269b50bd4d88febc7cd1a1423cd072fe6b3a..0000000000000000000000000000000000000000
--- a/openssl/crypto/pkcs7/pk7_lib.c
+++ /dev/null
@@ -1,665 +0,0 @@
-/* crypto/pkcs7/pk7_lib.c */
-/* 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.]
- */
-
-#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/objects.h>
-#include <openssl/x509.h>
-#include "asn1_locl.h"
-
-long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg)
-	{
-	int nid;
-	long ret;
-
-	nid=OBJ_obj2nid(p7->type);
-
-	switch (cmd)
-		{
-	case PKCS7_OP_SET_DETACHED_SIGNATURE:
-		if (nid == NID_pkcs7_signed)
-			{
-			ret=p7->detached=(int)larg;
-			if (ret && PKCS7_type_is_data(p7->d.sign->contents))
-					{
-					ASN1_OCTET_STRING *os;
-					os=p7->d.sign->contents->d.data;
-					ASN1_OCTET_STRING_free(os);
-					p7->d.sign->contents->d.data = NULL;
-					}
-			}
-		else
-			{
-			PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE);
-			ret=0;
-			}
-		break;
-	case PKCS7_OP_GET_DETACHED_SIGNATURE:
-		if (nid == NID_pkcs7_signed)
-			{
-			if(!p7->d.sign  || !p7->d.sign->contents->d.ptr)
-				ret = 1;
-			else ret = 0;
-				
-			p7->detached = ret;
-			}
-		else
-			{
-			PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE);
-			ret=0;
-			}
-			
-		break;
-	default:
-		PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_UNKNOWN_OPERATION);
-		ret=0;
-		}
-	return(ret);
-	}
-
-int PKCS7_content_new(PKCS7 *p7, int type)
-	{
-	PKCS7 *ret=NULL;
-
-	if ((ret=PKCS7_new()) == NULL) goto err;
-	if (!PKCS7_set_type(ret,type)) goto err;
-	if (!PKCS7_set_content(p7,ret)) goto err;
-
-	return(1);
-err:
-	if (ret != NULL) PKCS7_free(ret);
-	return(0);
-	}
-
-int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data)
-	{
-	int i;
-
-	i=OBJ_obj2nid(p7->type);
-	switch (i)
-		{
-	case NID_pkcs7_signed:
-		if (p7->d.sign->contents != NULL)
-			PKCS7_free(p7->d.sign->contents);
-		p7->d.sign->contents=p7_data;
-		break;
-	case NID_pkcs7_digest:
-		if (p7->d.digest->contents != NULL)
-			PKCS7_free(p7->d.digest->contents);
-		p7->d.digest->contents=p7_data;
-		break;
-	case NID_pkcs7_data:
-	case NID_pkcs7_enveloped:
-	case NID_pkcs7_signedAndEnveloped:
-	case NID_pkcs7_encrypted:
-	default:
-		PKCS7err(PKCS7_F_PKCS7_SET_CONTENT,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
-		goto err;
-		}
-	return(1);
-err:
-	return(0);
-	}
-
-int PKCS7_set_type(PKCS7 *p7, int type)
-	{
-	ASN1_OBJECT *obj;
-
-	/*PKCS7_content_free(p7);*/
-	obj=OBJ_nid2obj(type); /* will not fail */
-
-	switch (type)
-		{
-	case NID_pkcs7_signed:
-		p7->type=obj;
-		if ((p7->d.sign=PKCS7_SIGNED_new()) == NULL)
-			goto err;
-		if (!ASN1_INTEGER_set(p7->d.sign->version,1))
-			{
-			PKCS7_SIGNED_free(p7->d.sign);
-			p7->d.sign=NULL;
-			goto err;
-			}
-		break;
-	case NID_pkcs7_data:
-		p7->type=obj;
-		if ((p7->d.data=M_ASN1_OCTET_STRING_new()) == NULL)
-			goto err;
-		break;
-	case NID_pkcs7_signedAndEnveloped:
-		p7->type=obj;
-		if ((p7->d.signed_and_enveloped=PKCS7_SIGN_ENVELOPE_new())
-			== NULL) goto err;
-		ASN1_INTEGER_set(p7->d.signed_and_enveloped->version,1);
-		if (!ASN1_INTEGER_set(p7->d.signed_and_enveloped->version,1))
-			goto err;
-		p7->d.signed_and_enveloped->enc_data->content_type
-						= OBJ_nid2obj(NID_pkcs7_data);
-		break;
-	case NID_pkcs7_enveloped:
-		p7->type=obj;
-		if ((p7->d.enveloped=PKCS7_ENVELOPE_new())
-			== NULL) goto err;
-		if (!ASN1_INTEGER_set(p7->d.enveloped->version,0))
-			goto err;
-		p7->d.enveloped->enc_data->content_type
-						= OBJ_nid2obj(NID_pkcs7_data);
-		break;
-	case NID_pkcs7_encrypted:
-		p7->type=obj;
-		if ((p7->d.encrypted=PKCS7_ENCRYPT_new())
-			== NULL) goto err;
-		if (!ASN1_INTEGER_set(p7->d.encrypted->version,0))
-			goto err;
-		p7->d.encrypted->enc_data->content_type
-						= OBJ_nid2obj(NID_pkcs7_data);
-		break;
-
-	case NID_pkcs7_digest:
-		p7->type=obj;
-		if ((p7->d.digest=PKCS7_DIGEST_new())
-			== NULL) goto err;
-		if (!ASN1_INTEGER_set(p7->d.digest->version,0))
-			goto err;
-		break;
-	default:
-		PKCS7err(PKCS7_F_PKCS7_SET_TYPE,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
-		goto err;
-		}
-	return(1);
-err:
-	return(0);
-	}
-
-int PKCS7_set0_type_other(PKCS7 *p7, int type, ASN1_TYPE *other)
-	{
-	p7->type = OBJ_nid2obj(type);
-	p7->d.other = other;
-	return 1;
-	}
-
-int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *psi)
-	{
-	int i,j,nid;
-	X509_ALGOR *alg;
-	STACK_OF(PKCS7_SIGNER_INFO) *signer_sk;
-	STACK_OF(X509_ALGOR) *md_sk;
-
-	i=OBJ_obj2nid(p7->type);
-	switch (i)
-		{
-	case NID_pkcs7_signed:
-		signer_sk=	p7->d.sign->signer_info;
-		md_sk=		p7->d.sign->md_algs;
-		break;
-	case NID_pkcs7_signedAndEnveloped:
-		signer_sk=	p7->d.signed_and_enveloped->signer_info;
-		md_sk=		p7->d.signed_and_enveloped->md_algs;
-		break;
-	default:
-		PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER,PKCS7_R_WRONG_CONTENT_TYPE);
-		return(0);
-		}
-
-	nid=OBJ_obj2nid(psi->digest_alg->algorithm);
-
-	/* If the digest is not currently listed, add it */
-	j=0;
-	for (i=0; i<sk_X509_ALGOR_num(md_sk); i++)
-		{
-		alg=sk_X509_ALGOR_value(md_sk,i);
-		if (OBJ_obj2nid(alg->algorithm) == nid)
-			{
-			j=1;
-			break;
-			}
-		}
-	if (!j) /* we need to add another algorithm */
-		{
-		if(!(alg=X509_ALGOR_new())
-			|| !(alg->parameter = ASN1_TYPE_new()))
-			{
-			X509_ALGOR_free(alg);
-			PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER,ERR_R_MALLOC_FAILURE);
-			return(0);
-			}
-		alg->algorithm=OBJ_nid2obj(nid);
-		alg->parameter->type = V_ASN1_NULL;
-		if (!sk_X509_ALGOR_push(md_sk,alg))
-			{
-			X509_ALGOR_free(alg);
-			return 0;
-			}
-		}
-
-	if (!sk_PKCS7_SIGNER_INFO_push(signer_sk,psi))
-		return 0;
-	return(1);
-	}
-
-int PKCS7_add_certificate(PKCS7 *p7, X509 *x509)
-	{
-	int i;
-	STACK_OF(X509) **sk;
-
-	i=OBJ_obj2nid(p7->type);
-	switch (i)
-		{
-	case NID_pkcs7_signed:
-		sk= &(p7->d.sign->cert);
-		break;
-	case NID_pkcs7_signedAndEnveloped:
-		sk= &(p7->d.signed_and_enveloped->cert);
-		break;
-	default:
-		PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE,PKCS7_R_WRONG_CONTENT_TYPE);
-		return(0);
-		}
-
-	if (*sk == NULL)
-		*sk=sk_X509_new_null();
-	if (*sk == NULL)
-		{
-		PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE, ERR_R_MALLOC_FAILURE);
-		return 0;
-		}
-	CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
-	if (!sk_X509_push(*sk,x509))
-		{
-		X509_free(x509);
-		return 0;
-		}
-	return(1);
-	}
-
-int PKCS7_add_crl(PKCS7 *p7, X509_CRL *crl)
-	{
-	int i;
-	STACK_OF(X509_CRL) **sk;
-
-	i=OBJ_obj2nid(p7->type);
-	switch (i)
-		{
-	case NID_pkcs7_signed:
-		sk= &(p7->d.sign->crl);
-		break;
-	case NID_pkcs7_signedAndEnveloped:
-		sk= &(p7->d.signed_and_enveloped->crl);
-		break;
-	default:
-		PKCS7err(PKCS7_F_PKCS7_ADD_CRL,PKCS7_R_WRONG_CONTENT_TYPE);
-		return(0);
-		}
-
-	if (*sk == NULL)
-		*sk=sk_X509_CRL_new_null();
-	if (*sk == NULL)
-		{
-		PKCS7err(PKCS7_F_PKCS7_ADD_CRL,ERR_R_MALLOC_FAILURE);
-		return 0;
-		}
-
-	CRYPTO_add(&crl->references,1,CRYPTO_LOCK_X509_CRL);
-	if (!sk_X509_CRL_push(*sk,crl))
-		{
-		X509_CRL_free(crl);
-		return 0;
-		}
-	return(1);
-	}
-
-int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
-	     const EVP_MD *dgst)
-	{
-	int ret;
-
-	/* We now need to add another PKCS7_SIGNER_INFO entry */
-	if (!ASN1_INTEGER_set(p7i->version,1))
-		goto err;
-	if (!X509_NAME_set(&p7i->issuer_and_serial->issuer,
-			X509_get_issuer_name(x509)))
-		goto err;
-
-	/* because ASN1_INTEGER_set is used to set a 'long' we will do
-	 * things the ugly way. */
-	M_ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
-	if (!(p7i->issuer_and_serial->serial=
-			M_ASN1_INTEGER_dup(X509_get_serialNumber(x509))))
-		goto err;
-
-	/* lets keep the pkey around for a while */
-	CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
-	p7i->pkey=pkey;
-
-	/* Set the algorithms */
-
-	X509_ALGOR_set0(p7i->digest_alg, OBJ_nid2obj(EVP_MD_type(dgst)),
-				V_ASN1_NULL, NULL);
-
-	if (pkey->ameth && pkey->ameth->pkey_ctrl)
-		{
-		ret = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_PKCS7_SIGN,
-						0, p7i);
-		if (ret > 0)
-			return 1;
-		if (ret != -2)
-			{
-			PKCS7err(PKCS7_F_PKCS7_SIGNER_INFO_SET,
-					PKCS7_R_SIGNING_CTRL_FAILURE);
-			return 0;
-			}
-		}
-	PKCS7err(PKCS7_F_PKCS7_SIGNER_INFO_SET,
-			PKCS7_R_SIGNING_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
-err:
-	return 0;
-	}
-
-PKCS7_SIGNER_INFO *PKCS7_add_signature(PKCS7 *p7, X509 *x509, EVP_PKEY *pkey,
-	     const EVP_MD *dgst)
-	{
-	PKCS7_SIGNER_INFO *si = NULL;
-
-	if (dgst == NULL)
-		{
-		int def_nid;
-		if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) <= 0)
-			goto err;
-		dgst = EVP_get_digestbynid(def_nid);
-		if (dgst == NULL)
-			{
-			PKCS7err(PKCS7_F_PKCS7_ADD_SIGNATURE,
-						PKCS7_R_NO_DEFAULT_DIGEST);
-			goto err;
-			}
-		}
-
-	if ((si=PKCS7_SIGNER_INFO_new()) == NULL) goto err;
-	if (!PKCS7_SIGNER_INFO_set(si,x509,pkey,dgst)) goto err;
-	if (!PKCS7_add_signer(p7,si)) goto err;
-	return(si);
-err:
-	if (si)
-		PKCS7_SIGNER_INFO_free(si);
-	return(NULL);
-	}
-
-int PKCS7_set_digest(PKCS7 *p7, const EVP_MD *md)
-	{
-	if (PKCS7_type_is_digest(p7))
-		{
-		if(!(p7->d.digest->md->parameter = ASN1_TYPE_new()))
-			{
-			PKCS7err(PKCS7_F_PKCS7_SET_DIGEST,ERR_R_MALLOC_FAILURE);
-			return 0;
-			}
-		p7->d.digest->md->parameter->type = V_ASN1_NULL;
-		p7->d.digest->md->algorithm = OBJ_nid2obj(EVP_MD_nid(md));
-		return 1;
-		}
-		
-	PKCS7err(PKCS7_F_PKCS7_SET_DIGEST,PKCS7_R_WRONG_CONTENT_TYPE);
-	return 1;
-	}
-
-STACK_OF(PKCS7_SIGNER_INFO) *PKCS7_get_signer_info(PKCS7 *p7)
-	{
-	if (PKCS7_type_is_signed(p7))
-		{
-		return(p7->d.sign->signer_info);
-		}
-	else if (PKCS7_type_is_signedAndEnveloped(p7))
-		{
-		return(p7->d.signed_and_enveloped->signer_info);
-		}
-	else
-		return(NULL);
-	}
-
-void PKCS7_SIGNER_INFO_get0_algs(PKCS7_SIGNER_INFO *si, EVP_PKEY **pk,
-					X509_ALGOR **pdig, X509_ALGOR **psig)
-	{
-	if (pk)
-		*pk = si->pkey;
-	if (pdig)
-		*pdig = si->digest_alg;
-	if (psig)
-		*psig = si->digest_enc_alg;
-	}
-
-void PKCS7_RECIP_INFO_get0_alg(PKCS7_RECIP_INFO *ri, X509_ALGOR **penc)
-	{
-	if (penc)
-		*penc = ri->key_enc_algor;
-	}
-
-PKCS7_RECIP_INFO *PKCS7_add_recipient(PKCS7 *p7, X509 *x509)
-	{
-	PKCS7_RECIP_INFO *ri;
-
-	if ((ri=PKCS7_RECIP_INFO_new()) == NULL) goto err;
-	if (!PKCS7_RECIP_INFO_set(ri,x509)) goto err;
-	if (!PKCS7_add_recipient_info(p7,ri)) goto err;
-	return ri;
-err:
-	if (ri)
-		PKCS7_RECIP_INFO_free(ri);
-	return NULL;
-	}
-
-int PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri)
-	{
-	int i;
-	STACK_OF(PKCS7_RECIP_INFO) *sk;
-
-	i=OBJ_obj2nid(p7->type);
-	switch (i)
-		{
-	case NID_pkcs7_signedAndEnveloped:
-		sk=	p7->d.signed_and_enveloped->recipientinfo;
-		break;
-	case NID_pkcs7_enveloped:
-		sk=	p7->d.enveloped->recipientinfo;
-		break;
-	default:
-		PKCS7err(PKCS7_F_PKCS7_ADD_RECIPIENT_INFO,PKCS7_R_WRONG_CONTENT_TYPE);
-		return(0);
-		}
-
-	if (!sk_PKCS7_RECIP_INFO_push(sk,ri))
-		return 0;
-	return(1);
-	}
-
-int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509)
-	{
-	int ret;
-	EVP_PKEY *pkey = NULL;
-	if (!ASN1_INTEGER_set(p7i->version,0))
-		return 0;
-	if (!X509_NAME_set(&p7i->issuer_and_serial->issuer,
-		X509_get_issuer_name(x509)))
-		return 0;
-
-	M_ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
-	if (!(p7i->issuer_and_serial->serial=
-		M_ASN1_INTEGER_dup(X509_get_serialNumber(x509))))
-		return 0;
-
-	pkey = X509_get_pubkey(x509);
-
-	if (!pkey || !pkey->ameth || !pkey->ameth->pkey_ctrl)
-		{
-		PKCS7err(PKCS7_F_PKCS7_RECIP_INFO_SET,
-			PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
-		goto err;
-		}
-
-	ret = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_PKCS7_ENCRYPT,
-						0, p7i);
-	if (ret == -2)
-		{
-		PKCS7err(PKCS7_F_PKCS7_RECIP_INFO_SET,
-			PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
-		goto err;
-		}
-	if (ret <= 0)
-		{
-		PKCS7err(PKCS7_F_PKCS7_RECIP_INFO_SET,
-				PKCS7_R_ENCRYPTION_CTRL_FAILURE);
-		goto err;
-		}
-
-	EVP_PKEY_free(pkey);
-
-	CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
-	p7i->cert=x509;
-
-	return 1;
-
-	err:
-	if (pkey)
-		EVP_PKEY_free(pkey);
-	return 0;
-	}
-
-X509 *PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si)
-	{
-	if (PKCS7_type_is_signed(p7))
-		return(X509_find_by_issuer_and_serial(p7->d.sign->cert,
-			si->issuer_and_serial->issuer,
-			si->issuer_and_serial->serial));
-	else
-		return(NULL);
-	}
-
-int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher)
-	{
-	int i;
-	PKCS7_ENC_CONTENT *ec;
-
-	i=OBJ_obj2nid(p7->type);
-	switch (i)
-		{
-	case NID_pkcs7_signedAndEnveloped:
-		ec=p7->d.signed_and_enveloped->enc_data;
-		break;
-	case NID_pkcs7_enveloped:
-		ec=p7->d.enveloped->enc_data;
-		break;
-	default:
-		PKCS7err(PKCS7_F_PKCS7_SET_CIPHER,PKCS7_R_WRONG_CONTENT_TYPE);
-		return(0);
-		}
-
-	/* Check cipher OID exists and has data in it*/
-	i = EVP_CIPHER_type(cipher);
-	if(i == NID_undef) {
-		PKCS7err(PKCS7_F_PKCS7_SET_CIPHER,PKCS7_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER);
-		return(0);
-	}
-
-	ec->cipher = cipher;
-	return 1;
-	}
-
-int PKCS7_stream(unsigned char ***boundary, PKCS7 *p7)
-	{
-	ASN1_OCTET_STRING *os = NULL;
-
-	switch (OBJ_obj2nid(p7->type))
-		{
-		case NID_pkcs7_data:
-		os = p7->d.data;
-		break;
-
-		case NID_pkcs7_signedAndEnveloped:
-		os = p7->d.signed_and_enveloped->enc_data->enc_data;
-		if (os == NULL)
-			{
-			os=M_ASN1_OCTET_STRING_new();
-			p7->d.signed_and_enveloped->enc_data->enc_data=os;
-			}
-		break;
-
-		case NID_pkcs7_enveloped:
-		os = p7->d.enveloped->enc_data->enc_data;
-		if (os == NULL)
-			{
-			os=M_ASN1_OCTET_STRING_new();
-			p7->d.enveloped->enc_data->enc_data=os;
-			}
-		break;
-
-		case NID_pkcs7_signed:
-		os=p7->d.sign->contents->d.data;
-		break;
-
-		default:
-		os = NULL;
-		break;
-		}
-	
-	if (os == NULL)
-		return 0;
-
-	os->flags |= ASN1_STRING_FLAG_NDEF;
-	*boundary = &os->data;
-
-	return 1;
-	}