Alexander Lamaison <swish_at_lammy.co.uk> writes:
> On 22 August 2010 08:58, Paul Romero <paulr_at_rcom-software.com> wrote:
>>
>> I am experiencing a problem with libssh2 version 1.2.6 which
>> I don't understand. The symptoms are described below and suggest
>> the problem is specific to libgcrypt. Any insight about the
>> problem would be greatly appreciated
> ...
>> const char *username="paulr"; /* System Must stripped */
>> const char *password="secret_agent";
>> const char *loclfile="sftp_write_nonblock.c";
> ...
>> while ((rc = libssh2_userauth_publickey_fromfile(session, username,
>> "/home/paulr/.ssh/id_rsa.pub",
>> "/home/paulr/.ssh/id_rsa",
>> password)) == LIBSSH2_ERROR_EAGAIN);
>
> I vaguely remember someone saying that libgcrypt can't handle a
> private key with a passphrase. Is this true or am I making things up?
It is true. The Libgcrypt backend in libssh2 contains a hand written
slimmed down ASN.1 parser to read out the RSA key, but it does not
support any of the PKCS* encrypted forms of RSA keys. The OpenSSL
backend in libssh2 uses OpenSSL to read the keys, so it supports
whatever private key formats that OpenSSL supports.
/Simon
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Received on 2010-08-22