Add string ctrl operations to TLS1 PRF, update documentation.

[openssl.git] / doc / crypto / EVP_PKEY_TLS1_PRF.pod

diff --git a/doc/crypto/EVP_PKEY_TLS1_PRF.pod b/doc/crypto/EVP_PKEY_TLS1_PRF.pod
index 8e9ff5ac3172e27690e5756dafeb5ec729eee88f..e2a695dff13839d8ce9c53ac974aabb197372106 100644 (file)
--- a/doc/crypto/EVP_PKEY_TLS1_PRF.pod
+++ b/doc/crypto/EVP_PKEY_TLS1_PRF.pod
@@ -33,6 +33,14 @@ and any seed is reset.
 EVP_PKEY_CTX_add1_tls1_prf_seed() sets the seed to B<seedlen> bytes of B<seed>.
 If a seed is already set it is appended to the existing value.
 
+=head1 STRING CTRLS
+
+The TLS PRF also supports string based control operations using
+EVP_PKEY_CTX_ctrl_str(). The B<type> parameters "secret" and "seed" use
+the supplied B<value> parameter as a secret or seed value. The names
+"hexsecret" and "hexseed" are similar except they take a hex string which
+is converted to binary.
+
 =head1 NOTES
 
 All these functions are implemented as macros.
@@ -82,6 +90,7 @@ and seed value "seed":
 =head1 SEE ALSO
 
 L<EVP_PKEY_CTX_new(3)>,
-L<EVP_PKEY_derive(3)>,
+L<EVP_PKEY_CTX_ctrl(3)>,
+L<EVP_PKEY_derive(3)>
 
 =cut