Upgraded to openssl-1.0.2

1 files changed, 109 insertions, 97 deletions

diff --git a/openssl/crypto/dh/dh_gen.c b/openssl/crypto/dh/dh_gen.c
index 7b1fe9c9c..5bedb665f 100644
--- a/openssl/crypto/dh/dh_gen.c
+++ b/openssl/crypto/dh/dh_gen.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
@@ -49,16 +49,16 @@
  * 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.]
  */
 
-/* NB: These functions have been upgraded - the previous prototypes are in
- * dh_depr.c as wrappers to these ones.
- *  - Geoff
+/*
+ * NB: These functions have been upgraded - the previous prototypes are in
+ * dh_depr.c as wrappers to these ones.  - Geoff
  */
 
 #include <stdio.h>
@@ -67,32 +67,33 @@
 #include <openssl/dh.h>
 
 #ifdef OPENSSL_FIPS
-#include <openssl/fips.h>
+# include <openssl/fips.h>
 #endif
 
-static int dh_builtin_genparams(DH *ret, int prime_len, int generator, BN_GENCB *cb);
+static int dh_builtin_genparams(DH *ret, int prime_len, int generator,
+                                BN_GENCB *cb);
 
-int DH_generate_parameters_ex(DH *ret, int prime_len, int generator, BN_GENCB *cb)
-	{
+int DH_generate_parameters_ex(DH *ret, int prime_len, int generator,
+                              BN_GENCB *cb)
+{
 #ifdef OPENSSL_FIPS
-	if (FIPS_mode() && !(ret->meth->flags & DH_FLAG_FIPS_METHOD)
-			&& !(ret->flags & DH_FLAG_NON_FIPS_ALLOW))
-		{
-		DHerr(DH_F_DH_GENERATE_PARAMETERS_EX, DH_R_NON_FIPS_METHOD);
-		return 0;
-		}
+    if (FIPS_mode() && !(ret->meth->flags & DH_FLAG_FIPS_METHOD)
+        && !(ret->flags & DH_FLAG_NON_FIPS_ALLOW)) {
+        DHerr(DH_F_DH_GENERATE_PARAMETERS_EX, DH_R_NON_FIPS_METHOD);
+        return 0;
+    }
 #endif
-	if(ret->meth->generate_params)
-		return ret->meth->generate_params(ret, prime_len, generator, cb);
+    if (ret->meth->generate_params)
+        return ret->meth->generate_params(ret, prime_len, generator, cb);
 #ifdef OPENSSL_FIPS
-	if (FIPS_mode())
-		return FIPS_dh_generate_parameters_ex(ret, prime_len,
-							generator, cb);
+    if (FIPS_mode())
+        return FIPS_dh_generate_parameters_ex(ret, prime_len, generator, cb);
 #endif
-	return dh_builtin_genparams(ret, prime_len, generator, cb);
-	}
+    return dh_builtin_genparams(ret, prime_len, generator, cb);
+}
 
-/* We generate DH parameters as follows
+/*-
+ * We generate DH parameters as follows
  * find a prime q which is prime_len/2 bits long.
  * p=(2*q)+1 or (p-1)/2 = q
  * For this case, g is a generator if
@@ -113,80 +114,91 @@ int DH_generate_parameters_ex(DH *ret, int prime_len, int generator, BN_GENCB *c
  * Since DH should be using a safe prime (both p and q are prime),
  * this generator function can take a very very long time to run.
  */
-/* Actually there is no reason to insist that 'generator' be a generator.
+/*
+ * Actually there is no reason to insist that 'generator' be a generator.
  * It's just as OK (and in some sense better) to use a generator of the
  * order-q subgroup.
  */
-static int dh_builtin_genparams(DH *ret, int prime_len, int generator, BN_GENCB *cb)
-	{
-	BIGNUM *t1,*t2;
-	int g,ok= -1;
-	BN_CTX *ctx=NULL;
+static int dh_builtin_genparams(DH *ret, int prime_len, int generator,
+                                BN_GENCB *cb)
+{
+    BIGNUM *t1, *t2;
+    int g, ok = -1;
+    BN_CTX *ctx = NULL;
+
+    ctx = BN_CTX_new();
+    if (ctx == NULL)
+        goto err;
+    BN_CTX_start(ctx);
+    t1 = BN_CTX_get(ctx);
+    t2 = BN_CTX_get(ctx);
+    if (t1 == NULL || t2 == NULL)
+        goto err;
 
-	ctx=BN_CTX_new();
-	if (ctx == NULL) goto err;
-	BN_CTX_start(ctx);
-	t1 = BN_CTX_get(ctx);
-	t2 = BN_CTX_get(ctx);
-	if (t1 == NULL || t2 == NULL) goto err;
+    /* Make sure 'ret' has the necessary elements */
+    if (!ret->p && ((ret->p = BN_new()) == NULL))
+        goto err;
+    if (!ret->g && ((ret->g = BN_new()) == NULL))
+        goto err;
 
-	/* Make sure 'ret' has the necessary elements */
-	if(!ret->p && ((ret->p = BN_new()) == NULL)) goto err;
-	if(!ret->g && ((ret->g = BN_new()) == NULL)) goto err;
-	
-	if (generator <= 1)
-		{
-		DHerr(DH_F_DH_BUILTIN_GENPARAMS, DH_R_BAD_GENERATOR);
-		goto err;
-		}
-	if (generator == DH_GENERATOR_2)
-		{
-		if (!BN_set_word(t1,24)) goto err;
-		if (!BN_set_word(t2,11)) goto err;
-		g=2;
-		}
-#if 0 /* does not work for safe primes */
-	else if (generator == DH_GENERATOR_3)
-		{
-		if (!BN_set_word(t1,12)) goto err;
-		if (!BN_set_word(t2,5)) goto err;
-		g=3;
-		}
+    if (generator <= 1) {
+        DHerr(DH_F_DH_BUILTIN_GENPARAMS, DH_R_BAD_GENERATOR);
+        goto err;
+    }
+    if (generator == DH_GENERATOR_2) {
+        if (!BN_set_word(t1, 24))
+            goto err;
+        if (!BN_set_word(t2, 11))
+            goto err;
+        g = 2;
+    }
+#if 0                           /* does not work for safe primes */
+    else if (generator == DH_GENERATOR_3) {
+        if (!BN_set_word(t1, 12))
+            goto err;
+        if (!BN_set_word(t2, 5))
+            goto err;
+        g = 3;
+    }
 #endif
-	else if (generator == DH_GENERATOR_5)
-		{
-		if (!BN_set_word(t1,10)) goto err;
-		if (!BN_set_word(t2,3)) goto err;
-		/* BN_set_word(t3,7); just have to miss
-		 * out on these ones :-( */
-		g=5;
-		}
-	else
-		{
-		/* in the general case, don't worry if 'generator' is a
-		 * generator or not: since we are using safe primes,
-		 * it will generate either an order-q or an order-2q group,
-		 * which both is OK */
-		if (!BN_set_word(t1,2)) goto err;
-		if (!BN_set_word(t2,1)) goto err;
-		g=generator;
-		}
-	
-	if(!BN_generate_prime_ex(ret->p,prime_len,1,t1,t2,cb)) goto err;
-	if(!BN_GENCB_call(cb, 3, 0)) goto err;
-	if (!BN_set_word(ret->g,g)) goto err;
-	ok=1;
-err:
-	if (ok == -1)
-		{
-		DHerr(DH_F_DH_BUILTIN_GENPARAMS,ERR_R_BN_LIB);
-		ok=0;
-		}
+    else if (generator == DH_GENERATOR_5) {
+        if (!BN_set_word(t1, 10))
+            goto err;
+        if (!BN_set_word(t2, 3))
+            goto err;
+        /*
+         * BN_set_word(t3,7); just have to miss out on these ones :-(
+         */
+        g = 5;
+    } else {
+        /*
+         * in the general case, don't worry if 'generator' is a generator or
+         * not: since we are using safe primes, it will generate either an
+         * order-q or an order-2q group, which both is OK
+         */
+        if (!BN_set_word(t1, 2))
+            goto err;
+        if (!BN_set_word(t2, 1))
+            goto err;
+        g = generator;
+    }
+
+    if (!BN_generate_prime_ex(ret->p, prime_len, 1, t1, t2, cb))
+        goto err;
+    if (!BN_GENCB_call(cb, 3, 0))
+        goto err;
+    if (!BN_set_word(ret->g, g))
+        goto err;
+    ok = 1;
+ err:
+    if (ok == -1) {
+        DHerr(DH_F_DH_BUILTIN_GENPARAMS, ERR_R_BN_LIB);
+        ok = 0;
+    }
 
-	if (ctx != NULL)
-		{
-		BN_CTX_end(ctx);
-		BN_CTX_free(ctx);
-		}
-	return ok;
-	}
+    if (ctx != NULL) {
+        BN_CTX_end(ctx);
+        BN_CTX_free(ctx);
+    }
+    return ok;
+}