OPENSSL_CLEANSE(3)         Library Functions Manual         OPENSSL_CLEANSE(3)

NAME
     OPENSSL_cleanse - OpenSSL memory cleaning operation

SYNOPSIS
     library "libcrypto"
     #include <openssl/crypto.h>

     void
     OPENSSL_cleanse(void *ptr, size_t len);

DESCRIPTION
     Do not use the interface documented here.  It is provided purely for
     compatibility with legacy application code.

     OPENSSL_cleanse() has the same semantics as, and is a wrapper around,
     explicit_bzero(3).

SEE ALSO
     crypto(3)

HISTORY
     OPENSSL_cleanse() first appeared in OpenSSL 0.9.6h and has been available
     since OpenBSD 3.4.

Linux 6.17.8-arch1-1             June 8, 2025             Linux 6.17.8-arch1-1