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I have an issue, when Im doing curl request or git push, that show me

curl: (35) gnutls_handshake() failed: Public key signature verification has failed.

curl --version

curl 7.50.1 (x86_64-pc-linux-gnu) libcurl/7.50.1 GnuTLS/3.5.3 zlib/1.2.8 libidn/1.33 libssh2/1.7.0 nghttp2/1.14.0 librtmp/2.3 Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps pop3 pop3s rtmp rtsp scp sftp smb smbs smtp smtps telnet tftp Features: AsynchDNS IDN IPv6 Largefile GSS-API Kerberos SPNEGO NTLM NTLM_WB SSL libz TLS-SRP HTTP2 UnixSockets

I have already done: update and downgrade curl to version 7.38 but this do not help me. Sorry for my English, tnx.

mov eax
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4 Answers4

19
dpkg -l | grep libgnutls

ii  libgnutls-deb0-28:amd64              3.3.8-6+deb8u3              amd64        GNU TLS library - main runtime library
ii  libgnutls-openssl27:amd64            3.3.8-6+deb8u3              amd64        GNU TLS library - OpenSSL wrapper
ii  libgnutls30:amd64                    3.5.7-2                     amd64        GNU TLS library - main runtime library

sudo apt-get remove --purge libgnutls-deb0-28

... worked for me.

Gabor I.
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After downgrading to curl 7.38.0, I also had to downgrade:

$ sudo apt-mark hold libcurl3-gnutls
$ sudo apt-get install libcurl3-gnutls=7.38.0-4+deb8u4

Then the error went away. I'm on debian jessie.

Donn Lee
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downgrade the curl to 7.38.0 will work for https url

first you can try to remove curl by apt-get,in fact apt-get can not remove all dependences! then use aptitude to install curl 7.38.0, pls see below commands

apt-get remove --auto-remove curl

aptitude install curl=7.38.0-4+deb8u4

The following actions will resolve these dependencies:

 Keep the following packages at their current version:

1) curl [Not Installed]

Accept this solution? [Y/n/q/?] n

The following actions will resolve these dependencies:

 Install the following packages:

1) libcurl3 [7.38.0-4+deb8u4 (stable)] Accept this solution? [Y/n/q/?] y

joeyyu
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I had to downgrade libcurl3 and curl as well

sudo apt-get install libcurl3-gnutls=7.38.0-4+deb8u4 curl=7.38.0-4+deb8u4 libcurl3=7.38.0-4+deb8u4

```

works also on Debian Testing.. needed to downgrade to Jessie's libcurl3

stfl
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