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* Licensed under the OpenSSL license (the "License"). You may not use

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* this file except in compliance with the License. You can obtain a copy

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* in the file LICENSE in the source distribution or at

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* https://www.openssl.org/source/license.html

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#ifndef HEADER_PKCS7_H

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# define HEADER_PKCS7_H

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# include <openssl/asn1.h>

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# include <openssl/bio.h>

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# include <openssl/e_os2.h>

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# include <openssl/symhacks.h>

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# include <openssl/ossl_typ.h>

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# include <openssl/pkcs7err.h>

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#ifdef __cplusplus

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extern "C" {

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#endif

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/*-

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Encryption_ID DES-CBC

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Digest_ID MD5

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Digest_Encryption_ID rsaEncryption

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Key_Encryption_ID rsaEncryption

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typedef struct pkcs7_issuer_and_serial_st {

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X509_NAME *issuer;

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ASN1_INTEGER *serial;

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} PKCS7_ISSUER_AND_SERIAL;

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typedef struct pkcs7_signer_info_st {

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ASN1_INTEGER *version; /* version 1 */

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PKCS7_ISSUER_AND_SERIAL *issuer_and_serial;

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X509_ALGOR *digest_alg;

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STACK_OF(X509_ATTRIBUTE) *auth_attr; /* [ 0 ] */

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X509_ALGOR *digest_enc_alg;

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ASN1_OCTET_STRING *enc_digest;

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STACK_OF(X509_ATTRIBUTE) *unauth_attr; /* [ 1 ] */

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/* The private key to sign with */

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EVP_PKEY *pkey;

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} PKCS7_SIGNER_INFO;

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DEFINE_STACK_OF(PKCS7_SIGNER_INFO)

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typedef struct pkcs7_recip_info_st {

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ASN1_INTEGER *version; /* version 0 */

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PKCS7_ISSUER_AND_SERIAL *issuer_and_serial;

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X509_ALGOR *key_enc_algor;

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ASN1_OCTET_STRING *enc_key;

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X509 *cert; /* get the pub-key from this */

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} PKCS7_RECIP_INFO;

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DEFINE_STACK_OF(PKCS7_RECIP_INFO)

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typedef struct pkcs7_signed_st {

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ASN1_INTEGER *version; /* version 1 */

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STACK_OF(X509_ALGOR) *md_algs; /* md used */

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STACK_OF(X509) *cert; /* [ 0 ] */

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STACK_OF(X509_CRL) *crl; /* [ 1 ] */

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STACK_OF(PKCS7_SIGNER_INFO) *signer_info;

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struct pkcs7_st *contents;

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} PKCS7_SIGNED;

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* The above structure is very very similar to PKCS7_SIGN_ENVELOPE. How about

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* merging the two

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typedef struct pkcs7_enc_content_st {

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ASN1_OBJECT *content_type;

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X509_ALGOR *algorithm;

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ASN1_OCTET_STRING *enc_data; /* [ 0 ] */

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const EVP_CIPHER *cipher;

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} PKCS7_ENC_CONTENT;

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typedef struct pkcs7_enveloped_st {

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ASN1_INTEGER *version; /* version 0 */

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STACK_OF(PKCS7_RECIP_INFO) *recipientinfo;

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PKCS7_ENC_CONTENT *enc_data;

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} PKCS7_ENVELOPE;

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typedef struct pkcs7_signedandenveloped_st {

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ASN1_INTEGER *version; /* version 1 */

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STACK_OF(X509_ALGOR) *md_algs; /* md used */

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STACK_OF(X509) *cert; /* [ 0 ] */

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STACK_OF(X509_CRL) *crl; /* [ 1 ] */

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STACK_OF(PKCS7_SIGNER_INFO) *signer_info;

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PKCS7_ENC_CONTENT *enc_data;

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STACK_OF(PKCS7_RECIP_INFO) *recipientinfo;

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} PKCS7_SIGN_ENVELOPE;

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typedef struct pkcs7_digest_st {

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ASN1_INTEGER *version; /* version 0 */

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X509_ALGOR *md; /* md used */

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struct pkcs7_st *contents;

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ASN1_OCTET_STRING *digest;

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} PKCS7_DIGEST;

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typedef struct pkcs7_encrypted_st {

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ASN1_INTEGER *version; /* version 0 */

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PKCS7_ENC_CONTENT *enc_data;

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} PKCS7_ENCRYPT;

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typedef struct pkcs7_st {

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* The following is non NULL if it contains ASN1 encoding of this

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* structure

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unsigned char *asn1;

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long length;

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# define PKCS7_S_HEADER 0

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# define PKCS7_S_BODY 1

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# define PKCS7_S_TAIL 2

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int state; /* used during processing */

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int detached;

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ASN1_OBJECT *type;

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/* content as defined by the type */

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* all encryption/message digests are applied to the 'contents', leaving

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* out the 'type' field.

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union {

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char *ptr;

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/* NID_pkcs7_data */

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ASN1_OCTET_STRING *data;

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/* NID_pkcs7_signed */

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PKCS7_SIGNED *sign;

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/* NID_pkcs7_enveloped */

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PKCS7_ENVELOPE *enveloped;

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/* NID_pkcs7_signedAndEnveloped */

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PKCS7_SIGN_ENVELOPE *signed_and_enveloped;

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/* NID_pkcs7_digest */

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PKCS7_DIGEST *digest;

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/* NID_pkcs7_encrypted */

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PKCS7_ENCRYPT *encrypted;

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/* Anything else */

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ASN1_TYPE *other;

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} d;

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} PKCS7;

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DEFINE_STACK_OF(PKCS7)

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# define PKCS7_OP_SET_DETACHED_SIGNATURE 1

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# define PKCS7_OP_GET_DETACHED_SIGNATURE 2

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# define PKCS7_get_signed_attributes(si) ((si)->auth_attr)

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# define PKCS7_get_attributes(si) ((si)->unauth_attr)

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# define PKCS7_type_is_signed(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_signed)

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# define PKCS7_type_is_encrypted(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_encrypted)

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# define PKCS7_type_is_enveloped(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_enveloped)

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# define PKCS7_type_is_signedAndEnveloped(a) \

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(OBJ_obj2nid((a)->type) == NID_pkcs7_signedAndEnveloped)

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# define PKCS7_type_is_data(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_data)

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# define PKCS7_type_is_digest(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_digest)

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# define PKCS7_set_detached(p,v) \

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PKCS7_ctrl(p,PKCS7_OP_SET_DETACHED_SIGNATURE,v,NULL)

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# define PKCS7_get_detached(p) \

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PKCS7_ctrl(p,PKCS7_OP_GET_DETACHED_SIGNATURE,0,NULL)

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# define PKCS7_is_detached(p7) (PKCS7_type_is_signed(p7) && PKCS7_get_detached(p7))

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/* S/MIME related flags */

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# define PKCS7_TEXT 0x1

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# define PKCS7_NOCERTS 0x2

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# define PKCS7_NOSIGS 0x4

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# define PKCS7_NOCHAIN 0x8

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# define PKCS7_NOINTERN 0x10

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# define PKCS7_NOVERIFY 0x20

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# define PKCS7_DETACHED 0x40

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# define PKCS7_BINARY 0x80

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# define PKCS7_NOATTR 0x100

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# define PKCS7_NOSMIMECAP 0x200

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# define PKCS7_NOOLDMIMETYPE 0x400

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# define PKCS7_CRLFEOL 0x800

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# define PKCS7_STREAM 0x1000

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# define PKCS7_NOCRL 0x2000

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# define PKCS7_PARTIAL 0x4000

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# define PKCS7_REUSE_DIGEST 0x8000

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# define PKCS7_NO_DUAL_CONTENT 0x10000

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/* Flags: for compatibility with older code */

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# define SMIME_TEXT PKCS7_TEXT

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# define SMIME_NOCERTS PKCS7_NOCERTS

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# define SMIME_NOSIGS PKCS7_NOSIGS

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# define SMIME_NOCHAIN PKCS7_NOCHAIN

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# define SMIME_NOINTERN PKCS7_NOINTERN

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# define SMIME_NOVERIFY PKCS7_NOVERIFY

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# define SMIME_DETACHED PKCS7_DETACHED

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# define SMIME_BINARY PKCS7_BINARY

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# define SMIME_NOATTR PKCS7_NOATTR

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/* CRLF ASCII canonicalisation */

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# define SMIME_ASCIICRLF 0x80000

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DECLARE_ASN1_FUNCTIONS(PKCS7_ISSUER_AND_SERIAL)

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int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data,

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const EVP_MD *type, unsigned char *md,

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unsigned int *len);

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# ifndef OPENSSL_NO_STDIO

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PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7);

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int i2d_PKCS7_fp(FILE *fp, PKCS7 *p7);

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# endif

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PKCS7 *PKCS7_dup(PKCS7 *p7);

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PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7);

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int i2d_PKCS7_bio(BIO *bp, PKCS7 *p7);

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int i2d_PKCS7_bio_stream(BIO *out, PKCS7 *p7, BIO *in, int flags);

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int PEM_write_bio_PKCS7_stream(BIO *out, PKCS7 *p7, BIO *in, int flags);

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DECLARE_ASN1_FUNCTIONS(PKCS7_SIGNER_INFO)

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DECLARE_ASN1_FUNCTIONS(PKCS7_RECIP_INFO)

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DECLARE_ASN1_FUNCTIONS(PKCS7_SIGNED)

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DECLARE_ASN1_FUNCTIONS(PKCS7_ENC_CONTENT)

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DECLARE_ASN1_FUNCTIONS(PKCS7_ENVELOPE)

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DECLARE_ASN1_FUNCTIONS(PKCS7_SIGN_ENVELOPE)

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DECLARE_ASN1_FUNCTIONS(PKCS7_DIGEST)

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DECLARE_ASN1_FUNCTIONS(PKCS7_ENCRYPT)

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DECLARE_ASN1_FUNCTIONS(PKCS7)

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DECLARE_ASN1_ITEM(PKCS7_ATTR_SIGN)

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DECLARE_ASN1_ITEM(PKCS7_ATTR_VERIFY)

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DECLARE_ASN1_NDEF_FUNCTION(PKCS7)

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DECLARE_ASN1_PRINT_FUNCTION(PKCS7)

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long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg);

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int PKCS7_set_type(PKCS7 *p7, int type);

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int PKCS7_set0_type_other(PKCS7 *p7, int type, ASN1_TYPE *other);

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int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data);

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int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,

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const EVP_MD *dgst);

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int PKCS7_SIGNER_INFO_sign(PKCS7_SIGNER_INFO *si);

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int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *p7i);

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int PKCS7_add_certificate(PKCS7 *p7, X509 *x509);

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int PKCS7_add_crl(PKCS7 *p7, X509_CRL *x509);

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int PKCS7_content_new(PKCS7 *p7, int nid);

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int PKCS7_dataVerify(X509_STORE *cert_store, X509_STORE_CTX *ctx,

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BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si);

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int PKCS7_signatureVerify(BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si,

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X509 *x509);

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BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio);

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int PKCS7_dataFinal(PKCS7 *p7, BIO *bio);

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BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert);

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PKCS7_SIGNER_INFO *PKCS7_add_signature(PKCS7 *p7, X509 *x509,

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EVP_PKEY *pkey, const EVP_MD *dgst);

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X509 *PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si);

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int PKCS7_set_digest(PKCS7 *p7, const EVP_MD *md);

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STACK_OF(PKCS7_SIGNER_INFO) *PKCS7_get_signer_info(PKCS7 *p7);

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PKCS7_RECIP_INFO *PKCS7_add_recipient(PKCS7 *p7, X509 *x509);

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void PKCS7_SIGNER_INFO_get0_algs(PKCS7_SIGNER_INFO *si, EVP_PKEY **pk,

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X509_ALGOR **pdig, X509_ALGOR **psig);

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void PKCS7_RECIP_INFO_get0_alg(PKCS7_RECIP_INFO *ri, X509_ALGOR **penc);

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int PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri);

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int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509);

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int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher);

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int PKCS7_stream(unsigned char ***boundary, PKCS7 *p7);

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PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx);

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ASN1_OCTET_STRING *PKCS7_digest_from_attributes(STACK_OF(X509_ATTRIBUTE) *sk);

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int PKCS7_add_signed_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int type,

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void *data);

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int PKCS7_add_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,

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void *value);

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ASN1_TYPE *PKCS7_get_attribute(PKCS7_SIGNER_INFO *si, int nid);

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ASN1_TYPE *PKCS7_get_signed_attribute(PKCS7_SIGNER_INFO *si, int nid);

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int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si,

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STACK_OF(X509_ATTRIBUTE) *sk);

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int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si,

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STACK_OF(X509_ATTRIBUTE) *sk);

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PKCS7 *PKCS7_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,

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BIO *data, int flags);

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PKCS7_SIGNER_INFO *PKCS7_sign_add_signer(PKCS7 *p7,

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X509 *signcert, EVP_PKEY *pkey,

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const EVP_MD *md, int flags);

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int PKCS7_final(PKCS7 *p7, BIO *data, int flags);

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int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store,

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BIO *indata, BIO *out, int flags);

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STACK_OF(X509) *PKCS7_get0_signers(PKCS7 *p7, STACK_OF(X509) *certs,

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int flags);

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PKCS7 *PKCS7_encrypt(STACK_OF(X509) *certs, BIO *in, const EVP_CIPHER *cipher,

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int flags);

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int PKCS7_decrypt(PKCS7 *p7, EVP_PKEY *pkey, X509 *cert, BIO *data,

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int flags);

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int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si,

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STACK_OF(X509_ALGOR) *cap);

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STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si);

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int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg);

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int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid);

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int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t);

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int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si,

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const unsigned char *md, int mdlen);

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int SMIME_write_PKCS7(BIO *bio, PKCS7 *p7, BIO *data, int flags);

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PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont);

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BIO *BIO_new_PKCS7(BIO *out, PKCS7 *p7);

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# ifdef __cplusplus

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}

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# endif

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#endif

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