CMS_ENCRYPTEDDATA_SET1_KEY(3ssl)    OpenSSL   CMS_ENCRYPTEDDATA_SET1_KEY(3ssl)


NAME
       CMS_EncryptedData_set1_key - Sets the cipher and key for CMS
       EncryptedData

SYNOPSIS
        #include <openssl/cms.h>

        int CMS_EncryptedData_set1_key(CMS_ContentInfo *cms, const EVP_CIPHER *ciph,
                                       const unsigned char *key, size_t keylen);

DESCRIPTION
       CMS_EncryptedData_set1_key() takes in a cms EncryptedData object and
       sets the appropriate attributes to ciph, it makes a copy of the
       symmetric key of size keylen. AEAD cipher algorithms are not supported.

RETURN VALUES
       CMS_EncryptedData_set1_key() returns 0 if an error occurred otherwise
       returns 1.

SEE ALSO
       CMS_EncryptedData_encrypt(3), CMS_EncryptedData_decrypt(3)

COPYRIGHT
       Copyright 2025 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>.

3.6.1                             2026-01-27  CMS_ENCRYPTEDDATA_SET1_KEY(3ssl)