examples: Add simple way to generate key files from libssh

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Jakub Jelen 2019-02-04 22:40:37 +01:00 committed by Andreas Schneider
parent fffa66698f
commit 5700477f3e
2 changed files with 45 additions and 0 deletions

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@ -70,6 +70,10 @@ add_executable(senddata senddata.c ${examples_SRCS})
target_compile_options(senddata PRIVATE ${DEFAULT_C_COMPILE_FLAGS})
target_link_libraries(senddata ${LIBSSH_SHARED_LIBRARY})
add_executable(keygen keygen.c)
target_compile_options(keygen PRIVATE ${DEFAULT_C_COMPILE_FLAGS})
target_link_libraries(keygen ${LIBSSH_SHARED_LIBRARY})
add_executable(libsshpp libsshpp.cpp)
target_link_libraries(libsshpp ${LIBSSH_SHARED_LIBRARY})

examples/keygen.c Normal file
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@ -0,0 +1,41 @@
/* keygen.c
* Sample implementation of ssh-keygen using libssh
Copyright 2019 Red Hat, Inc.
Author: Jakub Jelen <jjelen@redhat.com>
This file is part of the SSH Library
You are free to copy this file, modify it in any way, consider it being public
domain. This does not apply to the rest of the library though, but it is
allowed to cut-and-paste working code from this file to any license of
#include <libssh/libssh.h>
#include <stdio.h>
int main(void)
ssh_key key = NULL;
int rv;
/* Generate a new ED25519 private key file */
rv = ssh_pki_generate(SSH_KEYTYPE_ED25519, 0, &key);
if (rv != SSH_OK) {
fprintf(stderr, "Failed to generate private key");
return -1;
/* Write it to a file testkey in the current dirrectory */
rv = ssh_pki_export_privkey_file(key, NULL, NULL, NULL, "testkey");
if (rv != SSH_OK) {
fprintf(stderr, "Failed to write private key file");
return -1;
return 0;