On 2018-04-07 9:04, Joel Sing wrote:
On Friday 06 April 2018 21:31:01 Bernard Spil wrote:
Hi,
When using OpenSSH with LibreSSL 2.7.x it cannot read existing RSA and
ECDSA private keys.
Error loading key "./id_rsa": invalid format
Rebuilding OpenSSH with LibreSSL 2.6.x fixes the issue. I had fixed
this
issue early on with LibreSSL 2.7 by converting the key to "new file
format" (to verify the ecdsa key wasn't corrupted I loaded it in
Fail:
-----BEGIN EC PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-128-CBC,<snip>
-----BEGIN RSA PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-128-CBC,<snip>
Success (both keys after converting):
-----BEGIN OPENSSH PRIVATE KEY-----
I've been digging through ssh-keygen to find a way to convert them but
have yet to find the right knobs. -e only exports public keys.
Currently running `make test` on OpenSSH 7.7 with LibreSSL 2.7.2.
Any hints?
What does the following say, when compiled with 2.7.2:
$ openssl version
$ openssl rsa -in ~/.ssh/id_rsa -noout ; echo $?
$ ssh -V
Meanwhile I've figured out that I can prevent issues if I convert the
private key file to new format with
ssh-keygen -po -f keyfile
I had saved my old key as id_rsa-oldformat
$ openssl version
LibreSSL 2.7.2
$ openssl rsa -in ~/.ssh/id_rsa-oldformat -noout
Enter pass phrase for /home/bernard/.ssh/id_rsa-oldformat:
$ echo $?
0
$ ssh -V
OpenSSH_7.2p2, LibreSSL 2.7.1
$ /usr/local/bin/ssh -V
OpenSSH_7.6p1, LibreSSL 2.7.1
I see that I need to recompile ssh with 2.7.2, the libraries they use
are 2.7.2 not 2.7.1.
Cheers, Bernard.
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