1 files changed, 81 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/verified/Hacl_Chacha20.h b/security/nss/lib/freebl/verified/Hacl_Chacha20.h
new file mode 100644
index 0000000000..f97e44b744
--- /dev/null
+++ b/security/nss/lib/freebl/verified/Hacl_Chacha20.h
@@ -0,0 +1,81 @@
+/* Copyright 2016-2017 INRIA and Microsoft Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "kremlib.h"
+#ifndef __Hacl_Chacha20_H
+#define __Hacl_Chacha20_H
+
+typedef uint32_t Hacl_Impl_Xor_Lemmas_u32;
+
+typedef uint8_t Hacl_Impl_Xor_Lemmas_u8;
+
+typedef uint8_t *Hacl_Lib_LoadStore32_uint8_p;
+
+typedef uint32_t Hacl_Impl_Chacha20_u32;
+
+typedef uint32_t Hacl_Impl_Chacha20_h32;
+
+typedef uint8_t *Hacl_Impl_Chacha20_uint8_p;
+
+typedef uint32_t *Hacl_Impl_Chacha20_state;
+
+typedef uint32_t Hacl_Impl_Chacha20_idx;
+
+typedef struct
+{
+    void *k;
+    void *n;
+} Hacl_Impl_Chacha20_log_t_;
+
+typedef void *Hacl_Impl_Chacha20_log_t;
+
+typedef uint32_t Hacl_Lib_Create_h32;
+
+typedef uint8_t *Hacl_Chacha20_uint8_p;
+
+typedef uint32_t Hacl_Chacha20_uint32_t;
+
+void Hacl_Chacha20_chacha20_key_block(uint8_t *block, uint8_t *k, uint8_t *n1, uint32_t ctr);
+
+/*
+  This function implements Chacha20
+
+  val chacha20 :
+  output:uint8_p ->
+  plain:uint8_p{ disjoint output plain } ->
+  len:uint32_t{ v len = length output /\ v len = length plain } ->
+  key:uint8_p{ length key = 32 } ->
+  nonce:uint8_p{ length nonce = 12 } ->
+  ctr:uint32_t{ v ctr + length plain / 64 < pow2 32 } ->
+  Stack unit
+    (requires
+      fun h -> live h output /\ live h plain /\ live h nonce /\ live h key)
+    (ensures
+      fun h0 _ h1 ->
+        live h1 output /\ live h0 plain /\ modifies_1 output h0 h1 /\
+        live h0 nonce /\
+        live h0 key /\
+        h1.[ output ] ==
+        chacha20_encrypt_bytes h0.[ key ] h0.[ nonce ] (v ctr) h0.[ plain ])
+*/
+void
+Hacl_Chacha20_chacha20(
+    uint8_t *output,
+    uint8_t *plain,
+    uint32_t len,
+    uint8_t *k,
+    uint8_t *n1,
+    uint32_t ctr);
+#endif