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PKCS7_DECRYPT(3)		    OpenSSL		      PKCS7_DECRYPT(3)

NAME
       PKCS7_decrypt - decrypt content from a PKCS#7 envelopedData structure

SYNOPSIS
	#include <openssl/pkcs7.h>

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

DESCRIPTION
       PKCS7_decrypt() extracts	and decrypts the content from a	PKCS#7
       envelopedData structure.	pkey is	the private key	of the recipient, cert
       is the recipients certificate, data is a	BIO to write the content to
       and flags is an optional	set of flags.

NOTES
       Although	the recipients certificate is not needed to decrypt the	data
       it is needed to locate the appropriate (of possible several) recipients
       in the PKCS#7 structure.

       The following flags can be passed in the	flags parameter.

       If the PKCS7_TEXT flag is set MIME headers for type text/plain are
       deleted from the	content. If the	content	is not of type text/plain then
       an error	is returned.

RETURN VALUES
       PKCS7_decrypt() returns either 1	for success or 0 for failure.  The
       error can be obtained from ERR_get_error(3)

BUGS
       PKCS7_decrypt() must be passed the correct recipient key	and
       certificate. It would be	better if it could look	up the correct key and
       certificate from	a database.

       The lack	of single pass processing and need to hold all data in memory
       as mentioned in PKCS7_sign() also applies to PKCS7_verify().

SEE ALSO
       ERR_get_error(3), PKCS7_encrypt(3)

COPYRIGHT
       Copyright 2002-2016 The OpenSSL Project Authors.	All Rights Reserved.

       Licensed	under the OpenSSL license (the "License").  You	may not	use
       this file except	in compliance with the License.	 You can obtain	a copy
       in the file LICENSE in the source distribution or at
       <https://www.openssl.org/source/license.html>.

1.1.1a				  2018-11-20		      PKCS7_DECRYPT(3)

NAME | SYNOPSIS | DESCRIPTION | NOTES | RETURN VALUES | BUGS | SEE ALSO | COPYRIGHT

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