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-rw-r--r--libcrypt/md5.c130
1 files changed, 61 insertions, 69 deletions
diff --git a/libcrypt/md5.c b/libcrypt/md5.c
index 3bc669112..2231fd317 100644
--- a/libcrypt/md5.c
+++ b/libcrypt/md5.c
@@ -76,47 +76,39 @@
#include <sys/cdefs.h>
/* MD5 context. */
-typedef struct MD5Context {
+struct MD5Context {
u_int32_t state[4]; /* state (ABCD) */
u_int32_t count[2]; /* number of bits, modulo 2^64 (lsb first) */
unsigned char buffer[64]; /* input buffer */
-} MD5_CTX;
+};
-void MD5Init (MD5_CTX *);
-void MD5Update (MD5_CTX *, const unsigned char *, unsigned int);
-void MD5Pad (MD5_CTX *);
-void MD5Final (unsigned char [16], MD5_CTX *);
-char * MD5End(MD5_CTX *, char *);
-char * MD5File(const char *, char *);
-char * MD5Data(const unsigned char *, unsigned int, char *);
-char * md5_crypt_r( const char *pw, const char *salt, struct crypt_data * data);
+static void __md5_Init (struct MD5Context *);
+static void __md5_Update (struct MD5Context *, const unsigned char *, unsigned int);
+static void __md5_Pad (struct MD5Context *);
+static void __md5_Final (unsigned char [16], struct MD5Context *);
+static char * __md5_crypt_r( const char *pw, const char *salt, struct crypt_data * data);
+static void __md5_Transform __P((u_int32_t [4], const unsigned char [64]));
-char *md5_magic = "$1$"; /* * This string is magic for this algorithm. Having
- it this way, we can get better later on */
-static const unsigned char itoa64[] = /* 0 ... 63 => ascii - 64 */
+static const char __md5__magic[] = "$1$"; /* This string is magic for this algorithm. Having
+ it this way, we can get better later on */
+static const unsigned char __md5_itoa64[] = /* 0 ... 63 => ascii - 64 */
"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
-static void MD5Transform __P((u_int32_t [4], const unsigned char [64]));
-
-#ifdef KERNEL
-#define memset(x,y,z) bzero(x,z);
-#define memcpy(x,y,z) bcopy(y, x, z)
-#endif
#ifdef i386
-#define Encode memcpy
-#define Decode memcpy
+#define __md5_Encode memcpy
+#define __md5_Decode memcpy
#else /* i386 */
/*
- * Encodes input (u_int32_t) into output (unsigned char). Assumes len is
+ * __md5_Encodes input (u_int32_t) into output (unsigned char). Assumes len is
* a multiple of 4.
*/
static void
-Encode (output, input, len)
+__md5_Encode (output, input, len)
unsigned char *output;
u_int32_t *input;
unsigned int len;
@@ -132,12 +124,12 @@ Encode (output, input, len)
}
/*
- * Decodes input (unsigned char) into output (u_int32_t). Assumes len is
+ * __md5_Decodes input (unsigned char) into output (u_int32_t). Assumes len is
* a multiple of 4.
*/
static void
-Decode (output, input, len)
+__md5_Decode (output, input, len)
u_int32_t *output;
const unsigned char *input;
unsigned int len;
@@ -186,7 +178,7 @@ Decode (output, input, len)
/* MD5 initialization. Begins an MD5 operation, writing a new context. */
-void MD5Init (MD5_CTX *context)
+static void __md5_Init (struct MD5Context *context)
{
context->count[0] = context->count[1] = 0;
@@ -203,7 +195,7 @@ void MD5Init (MD5_CTX *context)
* context.
*/
-void MD5Update ( MD5_CTX *context, const unsigned char *input, unsigned int inputLen)
+static void __md5_Update ( struct MD5Context *context, const unsigned char *input, unsigned int inputLen)
{
unsigned int i, index, partLen;
@@ -222,10 +214,10 @@ void MD5Update ( MD5_CTX *context, const unsigned char *input, unsigned int inpu
if (inputLen >= partLen) {
memcpy((void *)&context->buffer[index], (const void *)input,
partLen);
- MD5Transform (context->state, context->buffer);
+ __md5_Transform (context->state, context->buffer);
for (i = partLen; i + 63 < inputLen; i += 64)
- MD5Transform (context->state, &input[i]);
+ __md5_Transform (context->state, &input[i]);
index = 0;
}
@@ -241,7 +233,7 @@ void MD5Update ( MD5_CTX *context, const unsigned char *input, unsigned int inpu
* MD5 padding. Adds padding followed by original length.
*/
-void MD5Pad ( MD5_CTX *context)
+static void __md5_Pad ( struct MD5Context *context)
{
unsigned char bits[8];
unsigned int index, padLen;
@@ -251,15 +243,15 @@ void MD5Pad ( MD5_CTX *context)
PADDING[0] = 0x80;
/* Save number of bits */
- Encode (bits, context->count, 8);
+ __md5_Encode (bits, context->count, 8);
/* Pad out to 56 mod 64. */
index = (unsigned int)((context->count[0] >> 3) & 0x3f);
padLen = (index < 56) ? (56 - index) : (120 - index);
- MD5Update (context, PADDING, padLen);
+ __md5_Update (context, PADDING, padLen);
/* Append length (before padding) */
- MD5Update (context, bits, 8);
+ __md5_Update (context, bits, 8);
}
/*
@@ -267,13 +259,13 @@ void MD5Pad ( MD5_CTX *context)
* the message digest and zeroizing the context.
*/
-void MD5Final ( unsigned char digest[16], MD5_CTX *context)
+static void __md5_Final ( unsigned char digest[16], struct MD5Context *context)
{
/* Do padding. */
- MD5Pad (context);
+ __md5_Pad (context);
/* Store state in digest */
- Encode (digest, context->state, 16);
+ __md5_Encode (digest, context->state, 16);
/* Zeroize sensitive information. */
memset ((void *)context, 0, sizeof (*context));
@@ -282,7 +274,7 @@ void MD5Final ( unsigned char digest[16], MD5_CTX *context)
/* MD5 basic transformation. Transforms state based on block. */
static void
-MD5Transform (state, block)
+__md5_Transform (state, block)
u_int32_t state[4];
const unsigned char block[64];
{
@@ -337,7 +329,7 @@ MD5Transform (state, block)
#endif /* MD5_SIZE_OVER_SPEED > 0 */
- Decode (x, block, 64);
+ __md5_Decode (x, block, 64);
a = state[0]; b = state[1]; c = state[2]; d = state[3];
@@ -527,10 +519,10 @@ MD5Transform (state, block)
}
-static void to64( char *s, unsigned long v, int n)
+static void __md5_to64( char *s, unsigned long v, int n)
{
while (--n >= 0) {
- *s++ = itoa64[v&0x3f];
+ *s++ = __md5_itoa64[v&0x3f];
v >>= 6;
}
}
@@ -541,7 +533,7 @@ static void to64( char *s, unsigned long v, int n)
* Use MD5 for what it is best at...
*/
-char * md5_crypt_r( const char *pw, const char *salt, struct crypt_data * data)
+static char * __md5_crypt_r( const char *pw, const char *salt, struct crypt_data * data)
{
char *p = data->p;
const char *sp = data->sp;
@@ -551,17 +543,17 @@ char * md5_crypt_r( const char *pw, const char *salt, struct crypt_data * data)
a separate field in struct crypt_data,
but this spot should do nicely... */
unsigned char final[17]; /* final[16] exists only to aid in looping */
- int sl,pl,i,md5_magic_len,pw_len;
- MD5_CTX ctx,ctx1;
+ int sl,pl,i,__md5__magic_len,pw_len;
+ struct MD5Context ctx,ctx1;
unsigned long l;
/* Refine the Salt first */
sp = salt;
/* If it starts with the magic string, then skip that */
- md5_magic_len = strlen(md5_magic);
- if(!strncmp(sp,md5_magic,md5_magic_len))
- sp += md5_magic_len;
+ __md5__magic_len = strlen(__md5__magic);
+ if(!strncmp(sp,__md5__magic,__md5__magic_len))
+ sp += __md5__magic_len;
/* It stops at the first '$', max 8 chars */
for(ep=sp;*ep && *ep != '$' && ep < (sp+8);ep++)
@@ -570,41 +562,41 @@ char * md5_crypt_r( const char *pw, const char *salt, struct crypt_data * data)
/* get the length of the true salt */
sl = ep - sp;
- MD5Init(&ctx);
+ __md5_Init(&ctx);
/* The password first, since that is what is most unknown */
pw_len = strlen(pw);
- MD5Update(&ctx,pw,pw_len);
+ __md5_Update(&ctx,pw,pw_len);
/* Then our magic string */
- MD5Update(&ctx,md5_magic,md5_magic_len);
+ __md5_Update(&ctx,__md5__magic,__md5__magic_len);
/* Then the raw salt */
- MD5Update(&ctx,sp,sl);
+ __md5_Update(&ctx,sp,sl);
/* Then just as many characters of the MD5(pw,salt,pw) */
- MD5Init(&ctx1);
- MD5Update(&ctx1,pw,pw_len);
- MD5Update(&ctx1,sp,sl);
- MD5Update(&ctx1,pw,pw_len);
- MD5Final(final,&ctx1);
+ __md5_Init(&ctx1);
+ __md5_Update(&ctx1,pw,pw_len);
+ __md5_Update(&ctx1,sp,sl);
+ __md5_Update(&ctx1,pw,pw_len);
+ __md5_Final(final,&ctx1);
for(pl = pw_len; pl > 0; pl -= 16)
- MD5Update(&ctx,final,pl>16 ? 16 : pl);
+ __md5_Update(&ctx,final,pl>16 ? 16 : pl);
/* Don't leave anything around in vm they could use. */
memset(final,0,sizeof final);
/* Then something really weird... */
for (i = pw_len; i ; i >>= 1) {
- MD5Update(&ctx, ((i&1) ? final : (const unsigned char *) pw), 1);
+ __md5_Update(&ctx, ((i&1) ? final : (const unsigned char *) pw), 1);
}
/* Now make the output string */
- strcpy(passwd,md5_magic);
+ strcpy(passwd,__md5__magic);
strncat(passwd,sp,sl);
strcat(passwd,"$");
- MD5Final(final,&ctx);
+ __md5_Final(final,&ctx);
/*
* and now, just to make sure things don't run too fast
@@ -612,23 +604,23 @@ char * md5_crypt_r( const char *pw, const char *salt, struct crypt_data * data)
* need 30 seconds to build a 1000 entry dictionary...
*/
for(i=0;i<1000;i++) {
- MD5Init(&ctx1);
+ __md5_Init(&ctx1);
if(i & 1)
- MD5Update(&ctx1,pw,pw_len);
+ __md5_Update(&ctx1,pw,pw_len);
else
- MD5Update(&ctx1,final,16);
+ __md5_Update(&ctx1,final,16);
if(i % 3)
- MD5Update(&ctx1,sp,sl);
+ __md5_Update(&ctx1,sp,sl);
if(i % 7)
- MD5Update(&ctx1,pw,pw_len);
+ __md5_Update(&ctx1,pw,pw_len);
if(i & 1)
- MD5Update(&ctx1,final,16);
+ __md5_Update(&ctx1,final,16);
else
- MD5Update(&ctx1,pw,pw_len);
- MD5Final(final,&ctx1);
+ __md5_Update(&ctx1,pw,pw_len);
+ __md5_Final(final,&ctx1);
}
p = passwd + strlen(passwd);
@@ -636,10 +628,10 @@ char * md5_crypt_r( const char *pw, const char *salt, struct crypt_data * data)
final[16] = final[5];
for ( i=0 ; i < 5 ; i++ ) {
l = (final[i]<<16) | (final[i+6]<<8) | final[i+12];
- to64(p,l,4); p += 4;
+ __md5_to64(p,l,4); p += 4;
}
l = final[11];
- to64(p,l,2); p += 2;
+ __md5_to64(p,l,2); p += 2;
*p = '\0';
/* Don't leave anything around in vm they could use. */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 08:09:24 +0000