Header file reorganization and cleaning up the public API for pppd version 2.5.0...

[ppp.git] / pppd / crypto-priv.h

diff --git a/pppd/crypto-priv.h b/pppd/crypto-priv.h
new file mode 100644 (file)
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--- /dev/null
+++ b/pppd/crypto-priv.h
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+/* ppp-crypo-priv.h - Crypto private data structures
+ *
+ * Copyright (c) 2022 Eivind Næss. 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. The name(s) of the authors of this software must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission.
+ *
+ * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef PPP_CRYPTO_PRIV_H
+#define PPP_CRYPTO_PRIV_H
+
+#include "crypto.h"
+
+#define MAX_KEY_SIZE 32
+#define MAX_IV_SIZE 32
+
+struct _PPP_MD
+{
+    int  (*init_fn)(PPP_MD_CTX *ctx);
+    int  (*update_fn)(PPP_MD_CTX *ctx, const void *data, size_t cnt);
+    int  (*final_fn)(PPP_MD_CTX *ctx, unsigned char *out, unsigned int *outlen);
+    void (*clean_fn)(PPP_MD_CTX *ctx);
+};
+
+struct _PPP_MD_CTX
+{
+    PPP_MD md;
+    void *priv;
+};
+
+struct _PPP_CIPHER
+{
+    int  (*init_fn)(PPP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv);
+    int  (*update_fn)(PPP_CIPHER_CTX *ctx, unsigned char *out, int *outl, const unsigned char *in, int inl);
+    int  (*final_fn)(PPP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
+    void (*clean_fn)(PPP_CIPHER_CTX *ctx);
+};
+
+struct _PPP_CIPHER_CTX
+{
+    PPP_CIPHER cipher;
+    unsigned char key[MAX_KEY_SIZE];
+    unsigned char iv[MAX_IV_SIZE];
+    int is_encr;
+    void *priv;
+};
+
+
+#endif