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+/* crypto/des/ecb_enc.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * 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 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include "des_locl.h"
+#include "des_ver.h"
+#include <openssl/opensslv.h>
+#include <openssl/bio.h>
+
+OPENSSL_GLOBAL const char libdes_version[]="libdes" OPENSSL_VERSION_PTEXT;
+OPENSSL_GLOBAL const char DES_version[]="DES" OPENSSL_VERSION_PTEXT;
+
+const char *DES_options(void)
+ {
+ static int init=1;
+ static char buf[32];
+
+ if (init)
+ {
+ const char *ptr,*unroll,*risc,*size;
+
+#ifdef DES_PTR
+ ptr="ptr";
+#else
+ ptr="idx";
+#endif
+#if defined(DES_RISC1) || defined(DES_RISC2)
+#ifdef DES_RISC1
+ risc="risc1";
+#endif
+#ifdef DES_RISC2
+ risc="risc2";
+#endif
+#else
+ risc="cisc";
+#endif
+#ifdef DES_UNROLL
+ unroll="16";
+#else
+ unroll="2";
+#endif
+ if (sizeof(DES_LONG) != sizeof(long))
+ size="int";
+ else
+ size="long";
+ BIO_snprintf(buf,sizeof buf,"des(%s,%s,%s,%s)",ptr,risc,unroll,
+ size);
+ init=0;
+ }
+ return(buf);
+ }
+
+
+void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output,
+ DES_key_schedule *ks, int enc)
+ {
+ register DES_LONG l;
+ DES_LONG ll[2];
+ const unsigned char *in = &(*input)[0];
+ unsigned char *out = &(*output)[0];
+
+ c2l(in,l); ll[0]=l;
+ c2l(in,l); ll[1]=l;
+ DES_encrypt1(ll,ks,enc);
+ l=ll[0]; l2c(l,out);
+ l=ll[1]; l2c(l,out);
+ l=ll[0]=ll[1]=0;
+ }