1 files changed, 1 insertions, 152 deletions
diff --git a/src/Common/Pkcs5.c b/src/Common/Pkcs5.c
index 00cf7941..8f21bb80 100644
--- a/src/Common/Pkcs5.c
+++ b/src/Common/Pkcs5.c
@@ -1,37 +1,36 @@
 /*
  Legal Notice: Some portions of the source code contained in this file were
  derived from the source code of Encryption for the Masses 2.02a, which is
  Copyright (c) 1998-2000 Paul Le Roux and which is governed by the 'License
  Agreement for Encryption for the Masses'. Modifications and additions to
  the original source code (contained in this file) and all other portions
  of this file are Copyright (c) 2003-2009 TrueCrypt Developers Association
  and are governed by the TrueCrypt License 3.0 the full text of which is
  contained in the file License.txt included in TrueCrypt binary and source
  code distribution packages. */
 
 #include "Tcdefs.h"
 
 #include <memory.h>
 #include "Rmd160.h"
 #ifndef TC_WINDOWS_BOOT
-#include "Sha1.h"
 #include "Sha2.h"
 #include "Whirlpool.h"
 #endif
 #include "Pkcs5.h"
 #include "Crypto.h"
 
 void hmac_truncate
   (
 	  char *d1,		/* data to be truncated */
 	  char *d2,		/* truncated data */
 	  int len		/* length in bytes to keep */
 )
 {
 	int i;
 	for (i = 0; i < len; i++)
 		d2[i] = d1[i];
 }
 
 #ifndef TC_WINDOWS_BOOT
 
@@ -158,184 +157,40 @@ void derive_key_sha512 (char *pwd, int pwd_len, char *salt, int salt_len, int it
 
 	r = dklen - (l - 1) * SHA512_DIGESTSIZE;
 
 	/* first l - 1 blocks */
 	for (b = 1; b < l; b++)
 	{
 		derive_u_sha512 (pwd, pwd_len, salt, salt_len, iterations, u, b);
 		memcpy (dk, u, SHA512_DIGESTSIZE);
 		dk += SHA512_DIGESTSIZE;
 	}
 
 	/* last block */
 	derive_u_sha512 (pwd, pwd_len, salt, salt_len, iterations, u, b);
 	memcpy (dk, u, r);
 
 
 	/* Prevent possible leaks. */
 	burn (u, sizeof(u));
 }
 
-
-/* Deprecated/legacy */
-void hmac_sha1
-(
-	  char *k,		/* secret key */
-	  int lk,		/* length of the key in bytes */
-	  char *d,		/* data */
-	  int ld,		/* length of data in bytes */
-	  char *out,		/* output buffer, at least "t" bytes */
-	  int t
-)
-{
-	sha1_ctx ictx, octx;
-	char isha[SHA1_DIGESTSIZE], osha[SHA1_DIGESTSIZE];
-	char key[SHA1_DIGESTSIZE];
-	char buf[SHA1_BLOCKSIZE];
-	int i;
-
-    /* If the key is longer than the hash algorithm block size,
-	   let key = sha1(key), as per HMAC specifications. */
-	if (lk > SHA1_BLOCKSIZE)
-	{
-		sha1_ctx tctx;
-
-		sha1_begin (&tctx);
-		sha1_hash ((unsigned char *) k, lk, &tctx);
-		sha1_end ((unsigned char *) key, &tctx);
-
-		k = key;
-		lk = SHA1_DIGESTSIZE;
-
-		burn (&tctx, sizeof(tctx));		// Prevent leaks
-	}
-
-	/**** Inner Digest ****/
-
-	sha1_begin (&ictx);
-
-	/* Pad the key for inner digest */
-	for (i = 0; i < lk; ++i)
-		buf[i] = (char) (k[i] ^ 0x36);
-	for (i = lk; i < SHA1_BLOCKSIZE; ++i)
-		buf[i] = 0x36;
-
-	sha1_hash ((unsigned char *) buf, SHA1_BLOCKSIZE, &ictx);
-	sha1_hash ((unsigned char *) d, ld, &ictx);
-
-	sha1_end ((unsigned char *) isha, &ictx);
-
-	/**** Outer Digest ****/
-
-	sha1_begin (&octx);
-
-	for (i = 0; i < lk; ++i)
-		buf[i] = (char) (k[i] ^ 0x5C);
-	for (i = lk; i < SHA1_BLOCKSIZE; ++i)
-		buf[i] = 0x5C;
-
-	sha1_hash ((unsigned char *) buf, SHA1_BLOCKSIZE, &octx);
-	sha1_hash ((unsigned char *) isha, SHA1_DIGESTSIZE, &octx);
-
-	sha1_end ((unsigned char *) osha, &octx);
-
-	/* truncate and print the results */
-	t = t > SHA1_DIGESTSIZE ? SHA1_DIGESTSIZE : t;
-	hmac_truncate (osha, out, t);
-
-	/* Prevent leaks */
-	burn (&ictx, sizeof(ictx));
-	burn (&octx, sizeof(octx));
-	burn (isha, sizeof(isha));
-	burn (osha, sizeof(osha));
-	burn (buf, sizeof(buf));
-	burn (key, sizeof(key));
-}
-
-
-/* Deprecated/legacy */
-void derive_u_sha1 (char *pwd, int pwd_len, char *salt, int salt_len, int iterations, char *u, int b)
-{
-	char j[SHA1_DIGESTSIZE], k[SHA1_DIGESTSIZE];
-	char init[128];
-	char counter[4];
-	int c, i;
-
-	/* iteration 1 */
-	memset (counter, 0, 4);
-	counter[3] = (char) b;
-	memcpy (init, salt, salt_len);	/* salt */
-	memcpy (&init[salt_len], counter, 4);	/* big-endian block number */
-	hmac_sha1 (pwd, pwd_len, init, salt_len + 4, j, SHA1_DIGESTSIZE);
-	memcpy (u, j, SHA1_DIGESTSIZE);
-
-	/* remaining iterations */
-	for (c = 1; c < iterations; c++)
-	{
-		hmac_sha1 (pwd, pwd_len, j, SHA1_DIGESTSIZE, k, SHA1_DIGESTSIZE);
-		for (i = 0; i < SHA1_DIGESTSIZE; i++)
-		{
-			u[i] ^= k[i];
-			j[i] = k[i];
-		}
-	}
-
-	/* Prevent possible leaks. */
-	burn (j, sizeof(j));
-	burn (k, sizeof(k));
-}
-
-
-/* Deprecated/legacy */
-void derive_key_sha1 (char *pwd, int pwd_len, char *salt, int salt_len, int iterations, char *dk, int dklen)
-{
-	char u[SHA1_DIGESTSIZE];
-	int b, l, r;
-
-	if (dklen % SHA1_DIGESTSIZE)
-	{
-		l = 1 + dklen / SHA1_DIGESTSIZE;
-	}
-	else
-	{
-		l = dklen / SHA1_DIGESTSIZE;
-	}
-
-	r = dklen - (l - 1) * SHA1_DIGESTSIZE;
-
-	/* first l - 1 blocks */
-	for (b = 1; b < l; b++)
-	{
-		derive_u_sha1 (pwd, pwd_len, salt, salt_len, iterations, u, b);
-		memcpy (dk, u, SHA1_DIGESTSIZE);
-		dk += SHA1_DIGESTSIZE;
-	}
-
-	/* last block */
-	derive_u_sha1 (pwd, pwd_len, salt, salt_len, iterations, u, b);
-	memcpy (dk, u, r);
-
-
-	/* Prevent possible leaks. */
-	burn (u, sizeof(u));
-}
-
 #endif // TC_WINDOWS_BOOT
 
 void hmac_ripemd160 (char *key, int keylen, char *input, int len, char *digest)
 {
     RMD160_CTX context;
     unsigned char k_ipad[65];  /* inner padding - key XORd with ipad */
     unsigned char k_opad[65];  /* outer padding - key XORd with opad */
     unsigned char tk[RIPEMD160_DIGESTSIZE];
     int i;
 
     /* If the key is longer than the hash algorithm block size,
 	   let key = ripemd160(key), as per HMAC specifications. */
     if (keylen > RIPEMD160_BLOCKSIZE) 
 	{
         RMD160_CTX      tctx;
 
         RMD160Init(&tctx);
         RMD160Update(&tctx, (const unsigned char *) key, keylen);
         RMD160Final(tk, &tctx);
 
@@ -601,62 +456,56 @@ void derive_key_whirlpool (char *pwd, int pwd_len, char *salt, int salt_len, int
 		dk += WHIRLPOOL_DIGESTSIZE;
 	}
 
 	/* last block */
 	derive_u_whirlpool (pwd, pwd_len, salt, salt_len, iterations, u, b);
 	memcpy (dk, u, r);
 
 
 	/* Prevent possible leaks. */
 	burn (u, sizeof(u));
 }
 
 
 char *get_pkcs5_prf_name (int pkcs5_prf_id)
 {
 	switch (pkcs5_prf_id)
 	{
 	case SHA512:	
 		return "HMAC-SHA-512";
 
-	case SHA1:	// Deprecated/legacy
-		return "HMAC-SHA-1";
-
 	case RIPEMD160:	
 		return "HMAC-RIPEMD-160";
 
 	case WHIRLPOOL:	
 		return "HMAC-Whirlpool";
 
 	default:		
 		return "(Unknown)";
 	}
 }
 
 #endif //!TC_WINDOWS_BOOT
 
 
 int get_pkcs5_iteration_count (int pkcs5_prf_id, BOOL bBoot)
 {
 	switch (pkcs5_prf_id)
 	{
 
 	case RIPEMD160:	
 		return bBoot? 16384 : 32767; /* we multiply this number by 10 inside derive_u_ripemd160 */
 
 #ifndef TC_WINDOWS_BOOT
 
 	case SHA512:	
-		return 500000;			
-
-	case SHA1:		// Deprecated/legacy		
-		return 1000000;			
+		return 500000;
 
 	case WHIRLPOOL:	
 		return 500000;
 #endif
 
 	default:		
 		TC_THROW_FATAL_EXCEPTION;	// Unknown/wrong ID
 	}
 	return 0;
 }