From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>
Date: Fri, 30 Apr 2021 00:33:56 +0200
Subject: initial/final commit

---
 openssl-1.1.0h/crypto/evp/e_rc5.c | 74 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 openssl-1.1.0h/crypto/evp/e_rc5.c

(limited to 'openssl-1.1.0h/crypto/evp/e_rc5.c')

diff --git a/openssl-1.1.0h/crypto/evp/e_rc5.c b/openssl-1.1.0h/crypto/evp/e_rc5.c
new file mode 100644
index 0000000..f69ba5b
--- /dev/null
+++ b/openssl-1.1.0h/crypto/evp/e_rc5.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+
+#ifndef OPENSSL_NO_RC5
+
+# include <openssl/evp.h>
+# include <internal/evp_int.h>
+# include <openssl/objects.h>
+# include "evp_locl.h"
+# include <openssl/rc5.h>
+
+static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+                               const unsigned char *iv, int enc);
+static int rc5_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);
+
+typedef struct {
+    int rounds;                 /* number of rounds */
+    RC5_32_KEY ks;              /* key schedule */
+} EVP_RC5_KEY;
+
+# define data(ctx)       EVP_C_DATA(EVP_RC5_KEY,ctx)
+
+IMPLEMENT_BLOCK_CIPHER(rc5_32_12_16, ks, RC5_32, EVP_RC5_KEY, NID_rc5,
+                       8, RC5_32_KEY_LENGTH, 8, 64,
+                       EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT,
+                       r_32_12_16_init_key, NULL, NULL, NULL, rc5_ctrl)
+
+static int rc5_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
+{
+    switch (type) {
+    case EVP_CTRL_INIT:
+        data(c)->rounds = RC5_12_ROUNDS;
+        return 1;
+
+    case EVP_CTRL_GET_RC5_ROUNDS:
+        *(int *)ptr = data(c)->rounds;
+        return 1;
+
+    case EVP_CTRL_SET_RC5_ROUNDS:
+        switch (arg) {
+        case RC5_8_ROUNDS:
+        case RC5_12_ROUNDS:
+        case RC5_16_ROUNDS:
+            data(c)->rounds = arg;
+            return 1;
+
+        default:
+            EVPerr(EVP_F_RC5_CTRL, EVP_R_UNSUPPORTED_NUMBER_OF_ROUNDS);
+            return 0;
+        }
+
+    default:
+        return -1;
+    }
+}
+
+static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+                               const unsigned char *iv, int enc)
+{
+    RC5_32_set_key(&data(ctx)->ks, EVP_CIPHER_CTX_key_length(ctx),
+                   key, data(ctx)->rounds);
+    return 1;
+}
+
+#endif
-- 
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