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CMS_EncryptedData_decrypt(3) OpenSSL CMS_EncryptedData_decrypt(3) NAME CMS_EncryptedData_decrypt - Decrypt CMS EncryptedData LIBRARY libcrypto, -lcrypto 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>. 3.0.12 2023-05-31 CMS_EncryptedData_decrypt(3)