1 files changed, 115 insertions, 0 deletions

diff --git a/other/openssh-2.1.1p4/cipher.h b/other/openssh-2.1.1p4/cipher.h
new file mode 100644
index 0000000..a137990
--- /dev/null
+++ b/other/openssh-2.1.1p4/cipher.h
@@ -0,0 +1,115 @@
+/*
+ *
+ * cipher.h
+ *
+ * Author: Tatu Ylonen <ylo@cs.hut.fi>
+ *
+ * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
+ *                    All rights reserved
+ *
+ * Created: Wed Apr 19 16:50:42 1995 ylo
+ *
+ */
+
+/* RCSID("$OpenBSD: cipher.h,v 1.18 2000/06/20 01:39:40 markus Exp $"); */
+
+#ifndef CIPHER_H
+#define CIPHER_H
+
+#include <openssl/des.h>
+#include <openssl/blowfish.h>
+#include <openssl/rc4.h>
+#include <openssl/cast.h>
+
+/* Cipher types.  New types can be added, but old types should not be removed
+   for compatibility.  The maximum allowed value is 31. */
+#define SSH_CIPHER_ILLEGAL      -2      /* No valid cipher selected. */
+#define SSH_CIPHER_NOT_SET      -1      /* None selected (invalid number). */
+#define SSH_CIPHER_NONE         0       /* no encryption */
+#define SSH_CIPHER_IDEA         1       /* IDEA CFB */
+#define SSH_CIPHER_DES          2       /* DES CBC */
+#define SSH_CIPHER_3DES         3       /* 3DES CBC */
+#define SSH_CIPHER_BROKEN_TSS   4       /* TRI's Simple Stream encryption CBC */
+#define SSH_CIPHER_BROKEN_RC4   5       /* Alleged RC4 */
+#define SSH_CIPHER_BLOWFISH     6
+#define SSH_CIPHER_RESERVED     7
+
+/* these ciphers are used in SSH2: */
+#define SSH_CIPHER_BLOWFISH_CBC 8
+#define SSH_CIPHER_3DES_CBC     9
+#define SSH_CIPHER_ARCFOUR      10      /* Alleged RC4 */
+#define SSH_CIPHER_CAST128_CBC  11
+
+typedef struct {
+        unsigned int type;
+        union {
+                struct {
+                        des_key_schedule key1;
+                        des_key_schedule key2;
+                        des_cblock iv2;
+                        des_key_schedule key3;
+                        des_cblock iv3;
+                }       des3;
+                struct {
+                        struct bf_key_st key;
+                        unsigned char iv[8];
+                }       bf;
+                struct {
+                        CAST_KEY key;
+                        unsigned char iv[8];
+                } cast;
+                RC4_KEY rc4;
+        }       u;
+}       CipherContext;
+/*
+ * Returns a bit mask indicating which ciphers are supported by this
+ * implementation.  The bit mask has the corresponding bit set of each
+ * supported cipher.
+ */
+unsigned int cipher_mask();
+unsigned int cipher_mask1();
+unsigned int cipher_mask2();
+
+/* Returns the name of the cipher. */
+const char *cipher_name(int cipher);
+
+/*
+ * Parses the name of the cipher.  Returns the number of the corresponding
+ * cipher, or -1 on error.
+ */
+int     cipher_number(const char *name);
+
+/* returns 1 if all ciphers are supported (ssh2 only) */
+int     ciphers_valid(const char *names);
+
+/*
+ * Selects the cipher to use and sets the key.  If for_encryption is true,
+ * the key is setup for encryption; otherwise it is setup for decryption.
+ */
+void
+cipher_set_key(CipherContext * context, int cipher,
+    const unsigned char *key, int keylen);
+void
+cipher_set_key_iv(CipherContext * context, int cipher,
+    const unsigned char *key, int keylen,
+    const unsigned char *iv, int ivlen);
+
+/*
+ * Sets key for the cipher by computing the MD5 checksum of the passphrase,
+ * and using the resulting 16 bytes as the key.
+ */
+void
+cipher_set_key_string(CipherContext * context, int cipher,
+    const char *passphrase);
+
+/* Encrypts data using the cipher. */
+void
+cipher_encrypt(CipherContext * context, unsigned char *dest,
+    const unsigned char *src, unsigned int len);
+
+/* Decrypts data using the cipher. */
+void
+cipher_decrypt(CipherContext * context, unsigned char *dest,
+    const unsigned char *src, unsigned int len);
+
+#endif                          /* CIPHER_H */