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-rw-r--r--lib/libssl/man/SSL_CTX_use_certificate.328
1 files changed, 22 insertions, 6 deletions
diff --git a/lib/libssl/man/SSL_CTX_use_certificate.3 b/lib/libssl/man/SSL_CTX_use_certificate.3
index dd6caa6d88b..dec16b3255d 100644
--- a/lib/libssl/man/SSL_CTX_use_certificate.3
+++ b/lib/libssl/man/SSL_CTX_use_certificate.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: SSL_CTX_use_certificate.3,v 1.3 2017/04/10 01:46:37 schwarze Exp $
+.\" $OpenBSD: SSL_CTX_use_certificate.3,v 1.4 2017/07/25 17:28:37 benno Exp $
.\" OpenSSL e248596b Apr 8 22:49:57 2005 +0000
.\"
.\" This file was written by Lutz Jaenicke <jaenicke@openssl.org>.
@@ -49,7 +49,7 @@
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
.\" OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd $Mdocdate: April 10 2017 $
+.Dd $Mdocdate: July 25 2017 $
.Dt SSL_CTX_USE_CERTIFICATE 3
.Os
.Sh NAME
@@ -301,22 +301,38 @@ to
adds the first private RSA key found to
.Fa ssl .
.Pp
+The
.Fn SSL_CTX_check_private_key
-checks the consistency of a private key with the corresponding certificate
-loaded into
+function is seriously misnamed.
+It compares the
+.Em public
+key components and parameters of an OpenSSL private key with the
+corresponding certificate loaded into
.Fa ctx .
If more than one key/certificate pair (RSA/DSA) is installed,
-the last item installed will be checked.
+the last item installed will be compared.
If, e.g., the last item was a RSA certificate or key,
the RSA key/certificate pair will be checked.
.Fn SSL_check_private_key
-performs the same check for
+performs the same
+.Em public
+key comparison for
.Fa ssl .
If no key/certificate was explicitly added for this
.Fa ssl ,
the last item added into
.Fa ctx
will be checked.
+.Pp
+Despite the name, neither
+.Fn SSL_CTX_check_private_key
+nor
+.Fn SSL_check_private_key
+checks whether the private key component is indeed a private key,
+nor whether it matches the public key component.
+They merely compare the public materials (e.g. exponent and modulus of
+an RSA key) and/or key parameters (e.g. EC params of an EC key) of a
+key pair.
.Sh NOTES
The internal certificate store of OpenSSL can hold two private key/certificate
pairs at a time: