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-rw-r--r--crypto/mdc2/mdc2dgst.c240
1 files changed, 118 insertions, 122 deletions
diff --git a/crypto/mdc2/mdc2dgst.c b/crypto/mdc2/mdc2dgst.c
index d66ed6a1c6a3..6615cf84d7d2 100644
--- a/crypto/mdc2/mdc2dgst.c
+++ b/crypto/mdc2/mdc2dgst.c
@@ -5,21 +5,21 @@
* 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:
@@ -34,10 +34,10 @@
* 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
+ * 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
@@ -49,7 +49,7 @@
* 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
@@ -64,137 +64,133 @@
#include <openssl/mdc2.h>
#undef c2l
-#define c2l(c,l) (l =((DES_LONG)(*((c)++))) , \
- l|=((DES_LONG)(*((c)++)))<< 8L, \
- l|=((DES_LONG)(*((c)++)))<<16L, \
- l|=((DES_LONG)(*((c)++)))<<24L)
+#define c2l(c,l) (l =((DES_LONG)(*((c)++))) , \
+ l|=((DES_LONG)(*((c)++)))<< 8L, \
+ l|=((DES_LONG)(*((c)++)))<<16L, \
+ l|=((DES_LONG)(*((c)++)))<<24L)
#undef l2c
-#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
- *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
- *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
- *((c)++)=(unsigned char)(((l)>>24L)&0xff))
+#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
+ *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
+ *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
+ *((c)++)=(unsigned char)(((l)>>24L)&0xff))
static void mdc2_body(MDC2_CTX *c, const unsigned char *in, size_t len);
fips_md_init(MDC2)
- {
- c->num=0;
- c->pad_type=1;
- memset(&(c->h[0]),0x52,MDC2_BLOCK);
- memset(&(c->hh[0]),0x25,MDC2_BLOCK);
- return 1;
- }
+{
+ c->num = 0;
+ c->pad_type = 1;
+ memset(&(c->h[0]), 0x52, MDC2_BLOCK);
+ memset(&(c->hh[0]), 0x25, MDC2_BLOCK);
+ return 1;
+}
int MDC2_Update(MDC2_CTX *c, const unsigned char *in, size_t len)
- {
- size_t i,j;
-
- i=c->num;
- if (i != 0)
- {
- if (i+len < MDC2_BLOCK)
- {
- /* partial block */
- memcpy(&(c->data[i]),in,len);
- c->num+=(int)len;
- return 1;
- }
- else
- {
- /* filled one */
- j=MDC2_BLOCK-i;
- memcpy(&(c->data[i]),in,j);
- len-=j;
- in+=j;
- c->num=0;
- mdc2_body(c,&(c->data[0]),MDC2_BLOCK);
- }
- }
- i=len&~((size_t)MDC2_BLOCK-1);
- if (i > 0) mdc2_body(c,in,i);
- j=len-i;
- if (j > 0)
- {
- memcpy(&(c->data[0]),&(in[i]),j);
- c->num=(int)j;
- }
- return 1;
- }
+{
+ size_t i, j;
+
+ i = c->num;
+ if (i != 0) {
+ if (i + len < MDC2_BLOCK) {
+ /* partial block */
+ memcpy(&(c->data[i]), in, len);
+ c->num += (int)len;
+ return 1;
+ } else {
+ /* filled one */
+ j = MDC2_BLOCK - i;
+ memcpy(&(c->data[i]), in, j);
+ len -= j;
+ in += j;
+ c->num = 0;
+ mdc2_body(c, &(c->data[0]), MDC2_BLOCK);
+ }
+ }
+ i = len & ~((size_t)MDC2_BLOCK - 1);
+ if (i > 0)
+ mdc2_body(c, in, i);
+ j = len - i;
+ if (j > 0) {
+ memcpy(&(c->data[0]), &(in[i]), j);
+ c->num = (int)j;
+ }
+ return 1;
+}
static void mdc2_body(MDC2_CTX *c, const unsigned char *in, size_t len)
- {
- register DES_LONG tin0,tin1;
- register DES_LONG ttin0,ttin1;
- DES_LONG d[2],dd[2];
- DES_key_schedule k;
- unsigned char *p;
- size_t i;
-
- for (i=0; i<len; i+=8)
- {
- c2l(in,tin0); d[0]=dd[0]=tin0;
- c2l(in,tin1); d[1]=dd[1]=tin1;
- c->h[0]=(c->h[0]&0x9f)|0x40;
- c->hh[0]=(c->hh[0]&0x9f)|0x20;
-
- DES_set_odd_parity(&c->h);
- DES_set_key_unchecked(&c->h,&k);
- DES_encrypt1(d,&k,1);
-
- DES_set_odd_parity(&c->hh);
- DES_set_key_unchecked(&c->hh,&k);
- DES_encrypt1(dd,&k,1);
-
- ttin0=tin0^dd[0];
- ttin1=tin1^dd[1];
- tin0^=d[0];
- tin1^=d[1];
-
- p=c->h;
- l2c(tin0,p);
- l2c(ttin1,p);
- p=c->hh;
- l2c(ttin0,p);
- l2c(tin1,p);
- }
- }
+{
+ register DES_LONG tin0, tin1;
+ register DES_LONG ttin0, ttin1;
+ DES_LONG d[2], dd[2];
+ DES_key_schedule k;
+ unsigned char *p;
+ size_t i;
+
+ for (i = 0; i < len; i += 8) {
+ c2l(in, tin0);
+ d[0] = dd[0] = tin0;
+ c2l(in, tin1);
+ d[1] = dd[1] = tin1;
+ c->h[0] = (c->h[0] & 0x9f) | 0x40;
+ c->hh[0] = (c->hh[0] & 0x9f) | 0x20;
+
+ DES_set_odd_parity(&c->h);
+ DES_set_key_unchecked(&c->h, &k);
+ DES_encrypt1(d, &k, 1);
+
+ DES_set_odd_parity(&c->hh);
+ DES_set_key_unchecked(&c->hh, &k);
+ DES_encrypt1(dd, &k, 1);
+
+ ttin0 = tin0 ^ dd[0];
+ ttin1 = tin1 ^ dd[1];
+ tin0 ^= d[0];
+ tin1 ^= d[1];
+
+ p = c->h;
+ l2c(tin0, p);
+ l2c(ttin1, p);
+ p = c->hh;
+ l2c(ttin0, p);
+ l2c(tin1, p);
+ }
+}
int MDC2_Final(unsigned char *md, MDC2_CTX *c)
- {
- unsigned int i;
- int j;
-
- i=c->num;
- j=c->pad_type;
- if ((i > 0) || (j == 2))
- {
- if (j == 2)
- c->data[i++]=0x80;
- memset(&(c->data[i]),0,MDC2_BLOCK-i);
- mdc2_body(c,c->data,MDC2_BLOCK);
- }
- memcpy(md,(char *)c->h,MDC2_BLOCK);
- memcpy(&(md[MDC2_BLOCK]),(char *)c->hh,MDC2_BLOCK);
- return 1;
- }
+{
+ unsigned int i;
+ int j;
+
+ i = c->num;
+ j = c->pad_type;
+ if ((i > 0) || (j == 2)) {
+ if (j == 2)
+ c->data[i++] = 0x80;
+ memset(&(c->data[i]), 0, MDC2_BLOCK - i);
+ mdc2_body(c, c->data, MDC2_BLOCK);
+ }
+ memcpy(md, (char *)c->h, MDC2_BLOCK);
+ memcpy(&(md[MDC2_BLOCK]), (char *)c->hh, MDC2_BLOCK);
+ return 1;
+}
#undef TEST
#ifdef TEST
main()
- {
- unsigned char md[MDC2_DIGEST_LENGTH];
- int i;
- MDC2_CTX c;
- static char *text="Now is the time for all ";
-
- MDC2_Init(&c);
- MDC2_Update(&c,text,strlen(text));
- MDC2_Final(&(md[0]),&c);
-
- for (i=0; i<MDC2_DIGEST_LENGTH; i++)
- printf("%02X",md[i]);
- printf("\n");
- }
+{
+ unsigned char md[MDC2_DIGEST_LENGTH];
+ int i;
+ MDC2_CTX c;
+ static char *text = "Now is the time for all ";
+
+ MDC2_Init(&c);
+ MDC2_Update(&c, text, strlen(text));
+ MDC2_Final(&(md[0]), &c);
+
+ for (i = 0; i < MDC2_DIGEST_LENGTH; i++)
+ printf("%02X", md[i]);
+ printf("\n");
+}
#endif