Move the arcfour directory from the crypto module dirs into krb. This

directory contains the token encryption code (similar to dk, old, and
raw) which is Kerberos-specific.  The actual stream cipher lives in
enc_provider/rc4.c, which is still in the module dirs.

arcfour/arcfour-int.h contained the definitions of some structures
used only in enc_provider/rc4.c.  Move those definitions into that
source file so that everything in arcfour is at the right level of
abstraction to live in krb.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@23367 dc483132-0cff-0310-8789-dd5450dbe970

2 files changed, 36 insertions, 26 deletions

diff --git a/src/lib/crypto/openssl/enc_provider/deps b/src/lib/crypto/openssl/enc_provider/deps
index 3cae3a6749..2254ccd514 100644
--- a/src/lib/crypto/openssl/enc_provider/deps
+++ b/src/lib/crypto/openssl/enc_provider/deps
@@ -3,53 +3,49 @@
 #
 des.so des.po $(OUTPRE)des.$(OBJEXT): $(BUILDTOP)/include/autoconf.h \
   $(BUILDTOP)/include/krb5/krb5.h $(BUILDTOP)/include/osconf.h \
-  $(BUILDTOP)/include/profile.h $(COM_ERR_DEPS) $(top_srcdir)/include/k5-buf.h \
+  $(BUILDTOP)/include/profile.h $(COM_ERR_DEPS) $(srcdir)/../../krb/aead.h \
+  $(srcdir)/../../krb/cksumtypes.h $(srcdir)/../../krb/rand2key/rand2key.h \
+  $(srcdir)/../des/des_int.h $(top_srcdir)/include/k5-buf.h \
   $(top_srcdir)/include/k5-err.h $(top_srcdir)/include/k5-gmt_mktime.h \
   $(top_srcdir)/include/k5-int-pkinit.h $(top_srcdir)/include/k5-int.h \
   $(top_srcdir)/include/k5-platform.h $(top_srcdir)/include/k5-plugin.h \
   $(top_srcdir)/include/k5-thread.h $(top_srcdir)/include/krb5.h \
   $(top_srcdir)/include/krb5/authdata_plugin.h $(top_srcdir)/include/krb5/locate_plugin.h \
   $(top_srcdir)/include/krb5/preauth_plugin.h $(top_srcdir)/include/port-sockets.h \
-  $(top_srcdir)/include/socket-utils.h $(srcdir)/../des/des_int.h \
-  $(srcdir)/des.c $(srcdir)/enc_provider.h \
-  $(srcdir)/../../krb/aead.h $(srcdir)/../../krb/cksumtypes.h \
-  $(srcdir)/../../krb/rand2key/rand2key.h
+  $(top_srcdir)/include/socket-utils.h des.c
 des3.so des3.po $(OUTPRE)des3.$(OBJEXT): $(BUILDTOP)/include/autoconf.h \
   $(BUILDTOP)/include/krb5/krb5.h $(BUILDTOP)/include/osconf.h \
-  $(BUILDTOP)/include/profile.h $(COM_ERR_DEPS) $(top_srcdir)/include/k5-buf.h \
+  $(BUILDTOP)/include/profile.h $(COM_ERR_DEPS) $(srcdir)/../../krb/aead.h \
+  $(srcdir)/../../krb/cksumtypes.h $(srcdir)/../../krb/rand2key/rand2key.h \
+  $(srcdir)/../des/des_int.h $(top_srcdir)/include/k5-buf.h \
   $(top_srcdir)/include/k5-err.h $(top_srcdir)/include/k5-gmt_mktime.h \
   $(top_srcdir)/include/k5-int-pkinit.h $(top_srcdir)/include/k5-int.h \
   $(top_srcdir)/include/k5-platform.h $(top_srcdir)/include/k5-plugin.h \
   $(top_srcdir)/include/k5-thread.h $(top_srcdir)/include/krb5.h \
   $(top_srcdir)/include/krb5/authdata_plugin.h $(top_srcdir)/include/krb5/locate_plugin.h \
   $(top_srcdir)/include/krb5/preauth_plugin.h $(top_srcdir)/include/port-sockets.h \
-  $(top_srcdir)/include/socket-utils.h $(srcdir)/../des/des_int.h \
-  $(srcdir)/des3.c $(srcdir)/../../krb/aead.h \
-  $(srcdir)/../../krb/cksumtypes.h $(srcdir)/../../krb/rand2key/rand2key.h
+  $(top_srcdir)/include/socket-utils.h des3.c
 aes.so aes.po $(OUTPRE)aes.$(OBJEXT): $(BUILDTOP)/include/autoconf.h \
   $(BUILDTOP)/include/krb5/krb5.h $(BUILDTOP)/include/osconf.h \
-  $(BUILDTOP)/include/profile.h $(COM_ERR_DEPS) $(top_srcdir)/include/k5-buf.h \
+  $(BUILDTOP)/include/profile.h $(COM_ERR_DEPS) $(srcdir)/../../krb/aead.h \
+  $(srcdir)/../../krb/cksumtypes.h $(srcdir)/../../krb/rand2key/rand2key.h \
+  $(srcdir)/../hash_provider/hash_provider.h $(top_srcdir)/include/k5-buf.h \
   $(top_srcdir)/include/k5-err.h $(top_srcdir)/include/k5-gmt_mktime.h \
   $(top_srcdir)/include/k5-int-pkinit.h $(top_srcdir)/include/k5-int.h \
   $(top_srcdir)/include/k5-platform.h $(top_srcdir)/include/k5-plugin.h \
   $(top_srcdir)/include/k5-thread.h $(top_srcdir)/include/krb5.h \
   $(top_srcdir)/include/krb5/authdata_plugin.h $(top_srcdir)/include/krb5/locate_plugin.h \
   $(top_srcdir)/include/krb5/preauth_plugin.h $(top_srcdir)/include/port-sockets.h \
-  $(top_srcdir)/include/socket-utils.h \
-  $(srcdir)/aes.c \
-  $(srcdir)/enc_provider.h \
-  $(srcdir)/../../krb/aead.h $(srcdir)/../../krb/cksumtypes.h \
-  $(srcdir)/../../krb/rand2key/rand2key.h
+  $(top_srcdir)/include/socket-utils.h aes.c enc_provider.h
 rc4.so rc4.po $(OUTPRE)rc4.$(OBJEXT): $(BUILDTOP)/include/autoconf.h \
   $(BUILDTOP)/include/krb5/krb5.h $(BUILDTOP)/include/osconf.h \
-  $(BUILDTOP)/include/profile.h $(COM_ERR_DEPS) $(top_srcdir)/include/k5-buf.h \
-  $(top_srcdir)/include/k5-err.h $(top_srcdir)/include/k5-gmt_mktime.h \
-  $(top_srcdir)/include/k5-int-pkinit.h $(top_srcdir)/include/k5-int.h \
-  $(top_srcdir)/include/k5-platform.h $(top_srcdir)/include/k5-plugin.h \
-  $(top_srcdir)/include/k5-thread.h $(top_srcdir)/include/krb5.h \
-  $(top_srcdir)/include/krb5/authdata_plugin.h $(top_srcdir)/include/krb5/locate_plugin.h \
-  $(top_srcdir)/include/krb5/preauth_plugin.h $(top_srcdir)/include/port-sockets.h \
-  $(top_srcdir)/include/socket-utils.h $(srcdir)/../arcfour/arcfour-int.h \
-  $(srcdir)/../arcfour/arcfour.h $(srcdir)/enc_provider.h \
-  $(srcdir)/rc4.c $(srcdir)/../../krb/aead.h \
-  $(srcdir)/../../krb/cksumtypes.h $(srcdir)/../../krb/rand2key/rand2key.h
+  $(BUILDTOP)/include/profile.h $(COM_ERR_DEPS) $(srcdir)/../../krb/aead.h \
+  $(srcdir)/../../krb/cksumtypes.h $(srcdir)/../../krb/rand2key/rand2key.h \
+  $(top_srcdir)/include/k5-buf.h $(top_srcdir)/include/k5-err.h \
+  $(top_srcdir)/include/k5-gmt_mktime.h $(top_srcdir)/include/k5-int-pkinit.h \
+  $(top_srcdir)/include/k5-int.h $(top_srcdir)/include/k5-platform.h \
+  $(top_srcdir)/include/k5-plugin.h $(top_srcdir)/include/k5-thread.h \
+  $(top_srcdir)/include/krb5.h $(top_srcdir)/include/krb5/authdata_plugin.h \
+  $(top_srcdir)/include/krb5/locate_plugin.h $(top_srcdir)/include/krb5/preauth_plugin.h \
+  $(top_srcdir)/include/port-sockets.h $(top_srcdir)/include/socket-utils.h \
+  rc4.c
diff --git a/src/lib/crypto/openssl/enc_provider/rc4.c b/src/lib/crypto/openssl/enc_provider/rc4.c
index a7c3020ead..b5e69ff672 100644
--- a/src/lib/crypto/openssl/enc_provider/rc4.c
+++ b/src/lib/crypto/openssl/enc_provider/rc4.c
@@ -39,6 +39,20 @@
 #include <rand2key.h>
 #include <openssl/evp.h>
 
+typedef struct
+{
+    EVP_CIPHER_CTX  evp_ctx;
+    unsigned int x;
+    unsigned int y;
+    unsigned char state[256];
+
+} ArcfourContext;
+
+typedef struct {
+    int initialized;
+    ArcfourContext ctx;
+} ArcFourCipherState;
+
 #define RC4_KEY_SIZE 16
 #define RC4_BLOCK_SIZE 1