the password required to use the \fICURLOPT_SSLKEY(3)\fP or
\fICURLOPT_SSH_PRIVATE_KEYFILE(3)\fP private key. You never needed a pass
phrase to load a certificate but you need one to load your private key.
+
+The application does not have to keep the string around after setting this
+option.
.SH DEFAULT
NULL
.SH PROTOCOLS