NAME

       CMS_EncryptedData_decrypt - Decrypt CMS EncryptedData

SYNOPSIS

        #include <openssl/cms.h>

        int CMS_EncryptedData_decrypt(CMS_ContentInfo *cms,
                                      const unsigned char *key, size_t keylen,
                                      BIO *dcont, BIO *out, unsigned int flags);

DESCRIPTION

       CMS_EncryptedData_decrypt() decrypts a cms EncryptedData object using the symmetric key of
       size keylen bytes. out is a BIO to write the content to and flags is an optional set of
       flags.  dcont is used in the rare case where the encrypted content is detached. It will
       normally be set to NULL.

       The following flags can be passed in the flags parameter.

       If the CMS_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

       CMS_EncryptedData_decrypt() returns 0 if an error occurred otherwise it returns 1.

SEE ALSO

       ERR_get_error(3), CMS_EncryptedData_encrypt(3)

COPYRIGHT

       Copyright 2020-2023 The OpenSSL Project Authors. All Rights Reserved.

       Licensed under the Apache License 2.0 (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>.