Crypto modularity proj: OpemSSL crypto feed for hmac/md5/md4/sha1/rc4/des/des3(w/o iov)

bigredbutton: whitespace

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@22709 dc483132-0cff-0310-8789-dd5450dbe970

3 files changed, 96 insertions, 0 deletions

diff --git a/src/lib/crypto/openssl/sha1/deps b/src/lib/crypto/openssl/sha1/deps
new file mode 100644
index 000000000..a8f51a8e6
--- /dev/null
+++ b/src/lib/crypto/openssl/sha1/deps
@@ -0,0 +1,13 @@
+# 
+# Generated makefile dependencies follow.
+#
+shs.so shs.po $(OUTPRE)shs.$(OBJEXT): $(BUILDTOP)/include/autoconf.h \
+  $(BUILDTOP)/include/krb5/krb5.h $(BUILDTOP)/include/osconf.h \
+  $(BUILDTOP)/include/profile.h $(COM_ERR_DEPS) $(SRCTOP)/include/autoconf.h \
+  $(SRCTOP)/include/k5-buf.h $(SRCTOP)/include/k5-err.h \
+  $(SRCTOP)/include/k5-gmt_mktime.h $(SRCTOP)/include/k5-int-pkinit.h \
+  $(SRCTOP)/include/k5-int.h $(SRCTOP)/include/k5-platform.h \
+  $(SRCTOP)/include/k5-plugin.h $(SRCTOP)/include/k5-thread.h \
+  $(SRCTOP)/include/krb5.h $(SRCTOP)/include/krb5/locate_plugin.h \
+  $(SRCTOP)/include/krb5/preauth_plugin.h $(SRCTOP)/include/port-sockets.h \
+  $(SRCTOP)/include/socket-utils.h shs.c shs.h
diff --git a/src/lib/crypto/openssl/sha1/shs.c b/src/lib/crypto/openssl/sha1/shs.c
new file mode 100644
index 000000000..9fb60f87c
--- /dev/null
+++ b/src/lib/crypto/openssl/sha1/shs.c
@@ -0,0 +1,34 @@
+#include "shs.h"
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#include <string.h>
+
+/* Initialize the SHS values */
+void shsInit(SHS_INFO *shsInfo)
+{
+    EVP_MD_CTX_init(&shsInfo->ossl_sha1_ctx );
+    EVP_DigestInit_ex(&shsInfo->ossl_sha1_ctx , EVP_sha1(), NULL);
+}
+
+/* Update SHS for a block of data */
+
+void shsUpdate(SHS_INFO *shsInfo, const SHS_BYTE *buffer, unsigned int count)
+{
+    EVP_DigestUpdate(&shsInfo->ossl_sha1_ctx , buffer, count);
+}
+/* Final wrapup - pad to SHS_DATASIZE-byte boundary with the bit pattern
+   1 0* (64-bit count of bits processed, MSB-first) */
+
+void shsFinal(SHS_INFO *shsInfo)
+{
+    unsigned char *digest_buf = NULL;
+
+    digest_buf =  (unsigned char *)OPENSSL_malloc( sizeof(shsInfo->digest));
+
+    EVP_DigestFinal_ex(&shsInfo->ossl_sha1_ctx , digest_buf , &shsInfo->digest_len); 
+
+    memcpy(shsInfo->digest, digest_buf, shsInfo->digest_len);
+    OPENSSL_free(digest_buf);
+    EVP_MD_CTX_cleanup(&shsInfo->ossl_sha1_ctx );
+}
diff --git a/src/lib/crypto/openssl/sha1/shs.h b/src/lib/crypto/openssl/sha1/shs.h
new file mode 100644
index 000000000..66e91b69b
--- /dev/null
+++ b/src/lib/crypto/openssl/sha1/shs.h
@@ -0,0 +1,49 @@
+#ifndef _SHS_DEFINED
+
+#include "k5-int.h"
+#include <openssl/evp.h>
+#include <openssl/sha.h>
+
+#define _SHS_DEFINED
+
+/* Some useful types */
+
+typedef krb5_octet	SHS_BYTE;
+typedef krb5_ui_4	SHS_LONG;
+
+/* Define the following to use the updated SHS implementation */
+#define NEW_SHS         /**/
+
+/* The SHS block size and message digest sizes, in bytes */
+
+#define SHS_DATASIZE    64
+#define SHS_DIGESTSIZE  20
+
+/* The structure for storing SHS info */
+
+typedef struct {
+    EVP_MD_CTX ossl_sha1_ctx;
+    unsigned int   digest_len;
+    SHS_LONG digest[ 5 ];            /* Message digest */
+    SHS_LONG countLo, countHi;       /* 64-bit bit count */
+    SHS_LONG data[ 16 ];             /* SHS data buffer */
+} SHS_INFO;
+
+/* Message digest functions (shs.c) */
+void shsInit(SHS_INFO *shsInfo);
+void shsUpdate(SHS_INFO *shsInfo, const SHS_BYTE *buffer, unsigned int count);
+void shsFinal(SHS_INFO *shsInfo);
+
+
+/* Keyed Message digest functions (hmac_sha.c) */
+krb5_error_code hmac_sha(krb5_octet *text,
+			int text_len,
+			krb5_octet *key,
+			int key_len,
+			krb5_octet *digest);
+
+
+#define NIST_SHA_CKSUM_LENGTH		SHS_DIGESTSIZE
+#define HMAC_SHA_CKSUM_LENGTH		SHS_DIGESTSIZE
+
+#endif /* _SHS_DEFINED */