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SSL: implement public key pinning

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Option --pinnedpubkey takes a path to a public key in DER format and
only connect if it matches (currently only implemented with OpenSSL).

Provides CURLOPT_PINNEDPUBLICKEY for curl_easy_setopt().

Extract a public RSA key from a website like so:
openssl s_client -connect google.com:443 2>&1 < /dev/null | \
sed -n '/-----BEGIN/,/-----END/p' | openssl x509 -noout -pubkey \
| openssl rsa -pubin -outform DER > google.com.der
This commit is contained in:
moparisthebest 2014-09-30 22:31:17 -04:00 • committed by Daniel Stenberg
parent d1b56d0043
commit 93e450793c
20 changed files with 311 additions and 2 deletions
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3
tests/certs/scripts/genserv.sh
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@ -75,6 +75,9 @@ echo "openssl rsa -in $PREFIX-sv.key -out $PREFIX-sv.key"
$OPENSSL rsa -in $PREFIX-sv.key -out $PREFIX-sv.key -passin pass:secret
echo pseudo secrets generated
echo "openssl rsa -in $PREFIX-sv.key -pubout -outform DER -out $PREFIX-sv.pub.der"
$OPENSSL rsa -in $PREFIX-sv.key -pubout -outform DER -out $PREFIX-sv.pub.der
echo "openssl x509 -set_serial $SERIAL -extfile $PREFIX-sv.prm -days $DURATION -CA $CAPREFIX-ca.cacert -CAkey $CAPREFIX-ca.key -in $PREFIX-sv.csr -req -out $PREFIX-sv.crt -text -nameopt multiline -sha1"
$OPENSSL x509 -set_serial $SERIAL -extfile $PREFIX-sv.prm -days $DURATION -CA $CAPREFIX-ca.cacert -CAkey $CAPREFIX-ca.key -in $PREFIX-sv.csr -req -out $PREFIX-sv.crt -text -nameopt multiline -sha1