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+/*
+ * Author: Tatu Ylonen <ylo@cs.hut.fi>
+ * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
+ * All rights reserved
+ *
+ * As far as I am concerned, the code I have written for this software
+ * can be used freely for any purpose. Any derived versions of this
+ * software must be clearly marked as such, and if the derived work is
+ * incompatible with the protocol description in the RFC file, it must be
+ * called by a name other than "ssh" or "Secure Shell".
+ */
+
+/*
+ * Reads a passphrase from /dev/tty with echo turned off. Returns the
+ * passphrase (allocated with xmalloc). Exits if EOF is encountered. If
+ * from_stdin is true, the passphrase will be read from stdin instead.
+ */
+char *read_passphrase(char *prompt, int from_stdin);