Add TLS PRF method.

Add EVP_PKEY algorithm for TLS1 PRF.

Reviewed-by: Matt Caswell <matt@openssl.org>

3 files changed, 86 insertions, 0 deletions

diff --git a/include/openssl/evp.h b/include/openssl/evp.h
index 80011828cb..2ed9faa24f 100644
--- a/include/openssl/evp.h
+++ b/include/openssl/evp.h
@@ -108,6 +108,7 @@
 # define EVP_PKEY_EC     NID_X9_62_id_ecPublicKey
 # define EVP_PKEY_HMAC   NID_hmac
 # define EVP_PKEY_CMAC   NID_cmac
+# define EVP_PKEY_TLS1_PRF NID_tls1_prf
 
 #ifdef  __cplusplus
 extern "C" {
diff --git a/include/openssl/kdf.h b/include/openssl/kdf.h
new file mode 100644
index 0000000000..96ccf92397
--- /dev/null
+++ b/include/openssl/kdf.h
@@ -0,0 +1,81 @@
+/* kdf.h */
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project.
+ */
+/* ====================================================================
+ * Copyright (c) 2016 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+#ifndef HEADER_KDF_H
+# define HEADER_KDF_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+# define EVP_PKEY_CTRL_TLS_MD       (EVP_PKEY_ALG_CTRL)
+# define EVP_PKEY_CTRL_TLS_SECRET   (EVP_PKEY_ALG_CTRL + 1)
+# define EVP_PKEY_CTRL_TLS_SEED     (EVP_PKEY_ALG_CTRL + 2)
+
+# define EVP_PKEY_CTX_set_tls1_prf_md(pctx, md) \
+            EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
+                              EVP_PKEY_CTRL_TLS_MD, 0, (void *)md)
+
+# define EVP_PKEY_CTX_set1_tls1_prf_secret(pctx, sec, seclen) \
+            EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
+                              EVP_PKEY_CTRL_TLS_SECRET, seclen, (void *)sec)
+
+# define EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed, seedlen) \
+            EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
+                              EVP_PKEY_CTRL_TLS_SEED, seedlen, (void *)seed)
+
+#ifdef  __cplusplus
+}
+#endif
+#endif
diff --git a/include/openssl/obj_mac.h b/include/openssl/obj_mac.h
index 5f21fd5a32..04605e07b1 100644
--- a/include/openssl/obj_mac.h
+++ b/include/openssl/obj_mac.h
@@ -4463,3 +4463,7 @@
 #define SN_id_scrypt            "id-scrypt"
 #define NID_id_scrypt           973
 #define OBJ_id_scrypt           1L,3L,6L,1L,4L,1L,11591L,4L,11L
+
+#define SN_tls1_prf             "TLS1-PRF"
+#define LN_tls1_prf             "tls1-prf"
+#define NID_tls1_prf            1021