aboutsummaryrefslogtreecommitdiffstats
path: root/crypto/des/fcrypt.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/des/fcrypt.c')
-rw-r--r--crypto/des/fcrypt.c265
1 files changed, 131 insertions, 134 deletions
diff --git a/crypto/des/fcrypt.c b/crypto/des/fcrypt.c
index ccbdff250f70..111f1e4617ff 100644
--- a/crypto/des/fcrypt.c
+++ b/crypto/des/fcrypt.c
@@ -1,170 +1,167 @@
/* NOCW */
#include <stdio.h>
#ifdef _OSD_POSIX
-#ifndef CHARSET_EBCDIC
-#define CHARSET_EBCDIC 1
-#endif
+# ifndef CHARSET_EBCDIC
+# define CHARSET_EBCDIC 1
+# endif
#endif
#ifdef CHARSET_EBCDIC
-#include <openssl/ebcdic.h>
+# include <openssl/ebcdic.h>
#endif
-/* This version of crypt has been developed from my MIT compatible
- * DES library.
- * Eric Young (eay@cryptsoft.com)
+/*
+ * This version of crypt has been developed from my MIT compatible DES
+ * library. Eric Young (eay@cryptsoft.com)
*/
-/* Modification by Jens Kupferschmidt (Cu)
- * I have included directive PARA for shared memory computers.
- * I have included a directive LONGCRYPT to using this routine to cipher
- * passwords with more then 8 bytes like HP-UX 10.x it used. The MAXPLEN
- * definition is the maximum of length of password and can changed. I have
- * defined 24.
+/*
+ * Modification by Jens Kupferschmidt (Cu) I have included directive PARA for
+ * shared memory computers. I have included a directive LONGCRYPT to using
+ * this routine to cipher passwords with more then 8 bytes like HP-UX 10.x it
+ * used. The MAXPLEN definition is the maximum of length of password and can
+ * changed. I have defined 24.
*/
#include "des_locl.h"
-/* Added more values to handle illegal salt values the way normal
- * crypt() implementations do. The patch was sent by
- * Bjorn Gronvall <bg@sics.se>
+/*
+ * Added more values to handle illegal salt values the way normal crypt()
+ * implementations do. The patch was sent by Bjorn Gronvall <bg@sics.se>
*/
-static unsigned const char con_salt[128]={
-0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,
-0xDA,0xDB,0xDC,0xDD,0xDE,0xDF,0xE0,0xE1,
-0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,
-0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,
-0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,
-0xFA,0xFB,0xFC,0xFD,0xFE,0xFF,0x00,0x01,
-0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
-0x0A,0x0B,0x05,0x06,0x07,0x08,0x09,0x0A,
-0x0B,0x0C,0x0D,0x0E,0x0F,0x10,0x11,0x12,
-0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A,
-0x1B,0x1C,0x1D,0x1E,0x1F,0x20,0x21,0x22,
-0x23,0x24,0x25,0x20,0x21,0x22,0x23,0x24,
-0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C,
-0x2D,0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,
-0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C,
-0x3D,0x3E,0x3F,0x40,0x41,0x42,0x43,0x44,
+static unsigned const char con_salt[128] = {
+ 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9,
+ 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, 0xE0, 0xE1,
+ 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9,
+ 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1,
+ 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9,
+ 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF, 0x00, 0x01,
+ 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
+ 0x0A, 0x0B, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A,
+ 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12,
+ 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A,
+ 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22,
+ 0x23, 0x24, 0x25, 0x20, 0x21, 0x22, 0x23, 0x24,
+ 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C,
+ 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34,
+ 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C,
+ 0x3D, 0x3E, 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44,
};
-static unsigned const char cov_2char[64]={
-0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,0x35,
-0x36,0x37,0x38,0x39,0x41,0x42,0x43,0x44,
-0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C,
-0x4D,0x4E,0x4F,0x50,0x51,0x52,0x53,0x54,
-0x55,0x56,0x57,0x58,0x59,0x5A,0x61,0x62,
-0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,
-0x6B,0x6C,0x6D,0x6E,0x6F,0x70,0x71,0x72,
-0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A
+static unsigned const char cov_2char[64] = {
+ 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
+ 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44,
+ 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C,
+ 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
+ 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62,
+ 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A,
+ 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72,
+ 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A
};
char *DES_crypt(const char *buf, const char *salt)
- {
- static char buff[14];
+{
+ static char buff[14];
#ifndef CHARSET_EBCDIC
- return(DES_fcrypt(buf,salt,buff));
+ return (DES_fcrypt(buf, salt, buff));
#else
- char e_salt[2+1];
- char e_buf[32+1]; /* replace 32 by 8 ? */
- char *ret;
+ char e_salt[2 + 1];
+ char e_buf[32 + 1]; /* replace 32 by 8 ? */
+ char *ret;
- /* Copy at most 2 chars of salt */
- if ((e_salt[0] = salt[0]) != '\0')
- e_salt[1] = salt[1];
+ /* Copy at most 2 chars of salt */
+ if ((e_salt[0] = salt[0]) != '\0')
+ e_salt[1] = salt[1];
- /* Copy at most 32 chars of password */
- strncpy (e_buf, buf, sizeof(e_buf));
+ /* Copy at most 32 chars of password */
+ strncpy(e_buf, buf, sizeof(e_buf));
- /* Make sure we have a delimiter */
- e_salt[sizeof(e_salt)-1] = e_buf[sizeof(e_buf)-1] = '\0';
+ /* Make sure we have a delimiter */
+ e_salt[sizeof(e_salt) - 1] = e_buf[sizeof(e_buf) - 1] = '\0';
- /* Convert the e_salt to ASCII, as that's what DES_fcrypt works on */
- ebcdic2ascii(e_salt, e_salt, sizeof e_salt);
+ /* Convert the e_salt to ASCII, as that's what DES_fcrypt works on */
+ ebcdic2ascii(e_salt, e_salt, sizeof e_salt);
- /* Convert the cleartext password to ASCII */
- ebcdic2ascii(e_buf, e_buf, sizeof e_buf);
+ /* Convert the cleartext password to ASCII */
+ ebcdic2ascii(e_buf, e_buf, sizeof e_buf);
- /* Encrypt it (from/to ASCII) */
- ret = DES_fcrypt(e_buf,e_salt,buff);
+ /* Encrypt it (from/to ASCII) */
+ ret = DES_fcrypt(e_buf, e_salt, buff);
- /* Convert the result back to EBCDIC */
- ascii2ebcdic(ret, ret, strlen(ret));
-
- return ret;
-#endif
- }
+ /* Convert the result back to EBCDIC */
+ ascii2ebcdic(ret, ret, strlen(ret));
+ return ret;
+#endif
+}
char *DES_fcrypt(const char *buf, const char *salt, char *ret)
- {
- unsigned int i,j,x,y;
- DES_LONG Eswap0,Eswap1;
- DES_LONG out[2],ll;
- DES_cblock key;
- DES_key_schedule ks;
- unsigned char bb[9];
- unsigned char *b=bb;
- unsigned char c,u;
-
- /* eay 25/08/92
- * If you call crypt("pwd","*") as often happens when you
- * have * as the pwd field in /etc/passwd, the function
- * returns *\0XXXXXXXXX
- * The \0 makes the string look like * so the pwd "*" would
- * crypt to "*". This was found when replacing the crypt in
- * our shared libraries. People found that the disabled
- * accounts effectively had no passwd :-(. */
+{
+ unsigned int i, j, x, y;
+ DES_LONG Eswap0, Eswap1;
+ DES_LONG out[2], ll;
+ DES_cblock key;
+ DES_key_schedule ks;
+ unsigned char bb[9];
+ unsigned char *b = bb;
+ unsigned char c, u;
+
+ /*
+ * eay 25/08/92 If you call crypt("pwd","*") as often happens when you
+ * have * as the pwd field in /etc/passwd, the function returns
+ * *\0XXXXXXXXX The \0 makes the string look like * so the pwd "*" would
+ * crypt to "*". This was found when replacing the crypt in our shared
+ * libraries. People found that the disabled accounts effectively had no
+ * passwd :-(.
+ */
#ifndef CHARSET_EBCDIC
- x=ret[0]=((salt[0] == '\0')?'A':salt[0]);
- Eswap0=con_salt[x]<<2;
- x=ret[1]=((salt[1] == '\0')?'A':salt[1]);
- Eswap1=con_salt[x]<<6;
+ x = ret[0] = ((salt[0] == '\0') ? 'A' : salt[0]);
+ Eswap0 = con_salt[x] << 2;
+ x = ret[1] = ((salt[1] == '\0') ? 'A' : salt[1]);
+ Eswap1 = con_salt[x] << 6;
#else
- x=ret[0]=((salt[0] == '\0')?os_toascii['A']:salt[0]);
- Eswap0=con_salt[x]<<2;
- x=ret[1]=((salt[1] == '\0')?os_toascii['A']:salt[1]);
- Eswap1=con_salt[x]<<6;
+ x = ret[0] = ((salt[0] == '\0') ? os_toascii['A'] : salt[0]);
+ Eswap0 = con_salt[x] << 2;
+ x = ret[1] = ((salt[1] == '\0') ? os_toascii['A'] : salt[1]);
+ Eswap1 = con_salt[x] << 6;
#endif
-/* EAY
-r=strlen(buf);
-r=(r+7)/8;
-*/
- for (i=0; i<8; i++)
- {
- c= *(buf++);
- if (!c) break;
- key[i]=(c<<1);
- }
- for (; i<8; i++)
- key[i]=0;
-
- DES_set_key_unchecked(&key,&ks);
- fcrypt_body(&(out[0]),&ks,Eswap0,Eswap1);
-
- ll=out[0]; l2c(ll,b);
- ll=out[1]; l2c(ll,b);
- y=0;
- u=0x80;
- bb[8]=0;
- for (i=2; i<13; i++)
- {
- c=0;
- for (j=0; j<6; j++)
- {
- c<<=1;
- if (bb[y] & u) c|=1;
- u>>=1;
- if (!u)
- {
- y++;
- u=0x80;
- }
- }
- ret[i]=cov_2char[c];
- }
- ret[13]='\0';
- return(ret);
- }
-
+ /*
+ * EAY r=strlen(buf); r=(r+7)/8;
+ */
+ for (i = 0; i < 8; i++) {
+ c = *(buf++);
+ if (!c)
+ break;
+ key[i] = (c << 1);
+ }
+ for (; i < 8; i++)
+ key[i] = 0;
+
+ DES_set_key_unchecked(&key, &ks);
+ fcrypt_body(&(out[0]), &ks, Eswap0, Eswap1);
+
+ ll = out[0];
+ l2c(ll, b);
+ ll = out[1];
+ l2c(ll, b);
+ y = 0;
+ u = 0x80;
+ bb[8] = 0;
+ for (i = 2; i < 13; i++) {
+ c = 0;
+ for (j = 0; j < 6; j++) {
+ c <<= 1;
+ if (bb[y] & u)
+ c |= 1;
+ u >>= 1;
+ if (!u) {
+ y++;
+ u = 0x80;
+ }
+ }
+ ret[i] = cov_2char[c];
+ }
+ ret[13] = '\0';
+ return (ret);
+}