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-rw-r--r--lib/ssl/doc/src/ssl.xml23
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml
index 4910a6f1b8..62a79e15eb 100644
--- a/lib/ssl/doc/src/ssl.xml
+++ b/lib/ssl/doc/src/ssl.xml
@@ -122,6 +122,9 @@
<p> <c>hash() = md5 | sha
</c></p>
+ <p><c>prf_random() = client_random | server_random
+ </c></p>
+
</section>
<section>
@@ -561,6 +564,26 @@ fun(OtpCert :: #'OTPCertificate'{}, Event :: {bad_cert, Reason :: atom()} |
</func>
<func>
+ <name>prf(Socket, Secret, Label, Seed, WantedLength) -> {ok, binary()} | {error, reason()}</name>
+ <fsummary>Use a sessions pseudo random function to generate key material.</fsummary>
+ <type>
+ <v>Socket = sslsocket()</v>
+ <v>Secret = binary() | master_secret</v>
+ <v>Label = binary()</v>
+ <v>Seed = [binary() | prf_random()]</v>
+ <v>WantedLength = non_neg_integer()</v>
+ </type>
+ <desc>
+ <p>Use the pseudo random function (PRF) of a TLS session to generate
+ additional key material. It either takes user generated values for
+ <c>Secret</c> and <c>Seed</c> or atoms directing it use a specific
+ value from the session security parameters.</p>
+ <p>This function can only be used with TLS connections, <c>{error, undefined}</c>
+ is returned for SSLv3 connections.</p>
+ </desc>
+ </func>
+
+ <func>
<name>renegotiate(Socket) -> ok | {error, Reason}</name>
<fsummary> Initiates a new handshake.</fsummary>
<type>