I have a requirement where i need to check if an rsa public key corresponds to a private key and hence return success or failure. Currently i am using the command
and its solving my purpose. This is in a shell script. But i also want to incorporate the pass phrase in the validation process so that it becomes a dual layer matching, first the pass phrase and then the key matching. Is my approach right above? Can you please suggest any better option.
Last edited by Scott; 08-01-2014 at 06:14 AM..
Reason: Please use code tags
Hello all,
I have a bit of trouble working a passwordless SSH from UNIX to Cygwin running windows 2k3. Here are some details. I AM able to SSH from the Windows box to the UNIX box using the keys. Also, I'm able to SSH from UNIX to Windows w/o the keys. However, when I try to do it with the keys... (9 Replies)
Dear All,
I need to decrypt with private key most of the time and this works for RSA. At times I need to decrypt with public key (data is encrypted with private key). This does not seem to work via VB.Net. Is there support for such an activity in Java on Linux or Windows ? Please advise.
... (3 Replies)
Hi everyone,
I have a quick/newb question:
I know that a public key is used to encrypt data and a private key is used to decrypt data but who keeps the public/private keys??
Does the Web Server hold both?
Does the Web Server have the public key and does the client have the private key? ... (3 Replies)
Hi everybody,
I need some help on writing a script that is able to remote copy file to one server. I already created this types of scripts, and works ok as long as this server I want to copy from is access through telnet. Here is how I do it:
ftp -n xxx.xxx.xxx.xxx << _EOF_
user user_name... (6 Replies)
hello,
iam able to ssh to a linux server from a linux server called "machine1" using the private/public key method, so I dont need to enter any password when I run my script but iam not able to ssh from machine1 to a UNIX server, access is denied.
note that I am using an application id which is... (6 Replies)
Hi,
please guide me create a public/private key using ssh-keygen, lets say I have been access to server named pngpcdb1with a userid and password ...!!! and also please explain in detail the concept of these keys and ssh as I was planning to use them in ftp related scripts..! Thanks in... (1 Reply)
Hi i am using solaris 10.I am trying to setup a public/private key but it is not working.Appreciate your repsonse on it
There are two servers DB1 server and DB2 server.
1)I have generated public/private key using below step on both servers.
ssh-keygen -t rsa
2)From DB1 server moved the... (6 Replies)
Hi,
What tool is used to generate public and private keys for SCP?
Do you have an example script that generates these keys, puts them in files and then another example script that references them from SCP?
Thanks, (9 Replies)
Hi,
we have private and public key, encrypt file using public and want to decrypt using private key. can you please advise below commands are correct or other remedy if unix have?
encrypt -a arcfour -k publickey.asc -i TESTFILE.csv -o TESTFILE00.csv
decrypt -a arcfour -k privatekey.asc... (2 Replies)
I have a user account configuration with ssh public/private key that works on multiple servers centos and rhel. One server (Server F) that is not working in centos 6.8. When i ssh into server f I get prompted for a password. I have verified the config and it all is good. I put sshd into debug... (8 Replies)
Discussion started by: bash_in_my_head
8 Replies
LEARN ABOUT DEBIAN
libssh2_userauth_publickey_fromfile_ex
libssh2_userauth_publickey_fromfile(3) libssh2 manual libssh2_userauth_publickey_fromfile(3)NAME
libssh2_userauth_publickey_fromfile - authenticate a session with a public key, read from a file
SYNOPSIS
#include <libssh2.h>
int libssh2_userauth_publickey_fromfile_ex(LIBSSH2_SESSION *session,
const char *username,
const char *publickey,
const char *privatekey,
const char *passphrase);
DESCRIPTION
session - Session instance as returned by libssh2_session_init_ex(3)
username - Remote user name to authenticate as.
username_len - Length of username.
publickey - Path and name of public key file. (e.g. /etc/ssh/hostkey.pub)
privatekey - Path and name of private key file. (e.g. /etc/ssh/hostkey)
passphrase - Passphrase to use when decoding private key file.
Attempt public key authentication using a PEM encoded private key file stored on disk
RETURN VALUE
Return 0 on success or negative on failure. It returns LIBSSH2_ERROR_EAGAIN when it would otherwise block. While LIBSSH2_ERROR_EAGAIN is a
negative number, it isn't really a failure per se.
ERRORS
LIBSSH2_ERROR_ALLOC - An internal memory allocation call failed.
LIBSSH2_ERROR_SOCKET_SEND - Unable to send data on socket.
LIBSSH2_ERROR_SOCKET_TIMEOUT -
LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED - The username/public key combination was invalid.
LIBSSH2_ERROR_AUTHENTICATION_FAILED - Authentication using the supplied public key was not accepted.
SEE ALSO libssh2_session_init_ex(3)libssh2 0.15 1 Jun 2007 libssh2_userauth_publickey_fromfile(3)