Crypto modularity proj: Separate files under crypto directory based on their functionality. Move Kerberos specific files into krb subdir and MIT specific - into builtin subdir. Place all tests into crypto_tests subfolder.

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git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22477 dc483132-0cff-0310-8789-dd5450dbe970

1 files changed, 72 insertions, 0 deletions

diff --git a/src/lib/crypto/krb/state.c b/src/lib/crypto/krb/state.c
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index 0000000..f69746c
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+++ b/src/lib/crypto/krb/state.c
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+/*
+ * lib/crypto/state.c
+ *
+ * Copyright (C) 2001 by the Massachusetts Institute of Technology.
+ * All rights reserved.
+ *
+ * Export of this software from the United States of America may
+ *   require a specific license from the United States Government.
+ *   It is the responsibility of any person or organization contemplating
+ *   export to obtain such a license before exporting.
+ * 
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of M.I.T. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission.  Furthermore if you modify this software you must label
+ * your software as modified software and not distribute it in such a
+ * fashion that it might be confused with the original M.I.T. software.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose.  It is provided "as is" without express
+
+ * 
+ * 
+ *
+ *  * Section 6 (Encryption) of the Kerberos revisions document defines
+ * cipher states to be used to chain encryptions and decryptions
+ * together.  Examples of cipher states include initialization vectors
+ * for CBC encription.    This file contains implementations of
+ * krb5_c_init_state and krb5_c_free_state used by clients of the
+ * Kerberos crypto library.
+ */
+#include "k5-int.h"
+#include "etypes.h"
+
+krb5_error_code KRB5_CALLCONV
+krb5_c_init_state (krb5_context context, const krb5_keyblock *key,
+		   krb5_keyusage keyusage, krb5_data *new_state)
+{
+      int i;
+
+    for (i=0; i<krb5_enctypes_length; i++) {
+	if (krb5_enctypes_list[i].etype == key->enctype)
+	    break;
+    }
+
+    if (i == krb5_enctypes_length)
+	return(KRB5_BAD_ENCTYPE);
+
+    return (*(krb5_enctypes_list[i].enc->init_state))
+      (key, keyusage, new_state);
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_c_free_state (krb5_context context, const krb5_keyblock *key,
+		   krb5_data *state)
+{
+      int i;
+
+    for (i=0; i<krb5_enctypes_length; i++) {
+	if (krb5_enctypes_list[i].etype == key->enctype)
+	    break;
+    }
+
+    if (i == krb5_enctypes_length)
+	return(KRB5_BAD_ENCTYPE);
+
+    return     (*(krb5_enctypes_list[i].enc->free_state))
+      (state);
+}