1 files changed, 70 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/evp/e_idea.c b/openssl-1.1.0h/crypto/evp/e_idea.c
new file mode 100644
index 0000000..93f6a41
--- /dev/null
+++ b/openssl-1.1.0h/crypto/evp/e_idea.c
@@ -0,0 +1,70 @@
+/*
+ * 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_IDEA
+# include <openssl/evp.h>
+# include <openssl/objects.h>
+# include "internal/evp_int.h"
+# include <openssl/idea.h>
+
+/* Can't use IMPLEMENT_BLOCK_CIPHER because IDEA_ecb_encrypt is different */
+
+typedef struct {
+    IDEA_KEY_SCHEDULE ks;
+} EVP_IDEA_KEY;
+
+static int idea_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+                         const unsigned char *iv, int enc);
+
+/*
+ * NB IDEA_ecb_encrypt doesn't take an 'encrypt' argument so we treat it as a
+ * special case
+ */
+
+static int idea_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+                           const unsigned char *in, size_t inl)
+{
+    BLOCK_CIPHER_ecb_loop()
+        IDEA_ecb_encrypt(in + i, out + i, &EVP_C_DATA(EVP_IDEA_KEY,ctx)->ks);
+    return 1;
+}
+
+BLOCK_CIPHER_func_cbc(idea, IDEA, EVP_IDEA_KEY, ks)
+BLOCK_CIPHER_func_ofb(idea, IDEA, 64, EVP_IDEA_KEY, ks)
+BLOCK_CIPHER_func_cfb(idea, IDEA, 64, EVP_IDEA_KEY, ks)
+
+BLOCK_CIPHER_defs(idea, IDEA_KEY_SCHEDULE, NID_idea, 8, 16, 8, 64,
+                  0, idea_init_key, NULL,
+                  EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
+
+static int idea_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+                         const unsigned char *iv, int enc)
+{
+    if (!enc) {
+        if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_OFB_MODE)
+            enc = 1;
+        else if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_CFB_MODE)
+            enc = 1;
+    }
+    if (enc)
+        IDEA_set_encrypt_key(key, &EVP_C_DATA(EVP_IDEA_KEY,ctx)->ks);
+    else {
+        IDEA_KEY_SCHEDULE tmp;
+
+        IDEA_set_encrypt_key(key, &tmp);
+        IDEA_set_decrypt_key(&tmp, &EVP_C_DATA(EVP_IDEA_KEY,ctx)->ks);
+        OPENSSL_cleanse((unsigned char *)&tmp, sizeof(IDEA_KEY_SCHEDULE));
+    }
+    return 1;
+}
+
+#endif