1 files changed, 241 insertions, 241 deletions

diff --git a/openssl/crypto/bn/bn_blind.c b/openssl/crypto/bn/bn_blind.c
index 9ed8bc2b4..d448daa3c 100644
--- a/openssl/crypto/bn/bn_blind.c
+++ b/openssl/crypto/bn/bn_blind.c
@@ -7,7 +7,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -58,21 +58,21 @@
  * 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:
@@ -87,10 +87,10 @@
  *     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
@@ -102,7 +102,7 @@
  * 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
@@ -113,273 +113,273 @@
 #include "cryptlib.h"
 #include "bn_lcl.h"
 
-#define BN_BLINDING_COUNTER	32
+#define BN_BLINDING_COUNTER     32
 
-struct bn_blinding_st
-	{
-	BIGNUM *A;
-	BIGNUM *Ai;
-	BIGNUM *e;
-	BIGNUM *mod; /* just a reference */
+struct bn_blinding_st {
+    BIGNUM *A;
+    BIGNUM *Ai;
+    BIGNUM *e;
+    BIGNUM *mod;                /* just a reference */
 #ifndef OPENSSL_NO_DEPRECATED
-	unsigned long thread_id; /* added in OpenSSL 0.9.6j and 0.9.7b;
-				  * used only by crypto/rsa/rsa_eay.c, rsa_lib.c */
+    unsigned long thread_id;    /* added in OpenSSL 0.9.6j and 0.9.7b; used
+                                 * only by crypto/rsa/rsa_eay.c, rsa_lib.c */
 #endif
-	CRYPTO_THREADID tid;
-	int counter;
-	unsigned long flags;
-	BN_MONT_CTX *m_ctx;
-	int (*bn_mod_exp)(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-			  const BIGNUM *m, BN_CTX *ctx,
-			  BN_MONT_CTX *m_ctx);
-	};
+    CRYPTO_THREADID tid;
+    int counter;
+    unsigned long flags;
+    BN_MONT_CTX *m_ctx;
+    int (*bn_mod_exp) (BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+                       const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+};
 
 BN_BLINDING *BN_BLINDING_new(const BIGNUM *A, const BIGNUM *Ai, BIGNUM *mod)
-	{
-	BN_BLINDING *ret=NULL;
-
-	bn_check_top(mod);
-
-	if ((ret=(BN_BLINDING *)OPENSSL_malloc(sizeof(BN_BLINDING))) == NULL)
-		{
-		BNerr(BN_F_BN_BLINDING_NEW,ERR_R_MALLOC_FAILURE);
-		return(NULL);
-		}
-	memset(ret,0,sizeof(BN_BLINDING));
-	if (A != NULL)
-		{
-		if ((ret->A  = BN_dup(A))  == NULL) goto err;
-		}
-	if (Ai != NULL)
-		{
-		if ((ret->Ai = BN_dup(Ai)) == NULL) goto err;
-		}
-
-	/* save a copy of mod in the BN_BLINDING structure */
-	if ((ret->mod = BN_dup(mod)) == NULL) goto err;
-	if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)
-		BN_set_flags(ret->mod, BN_FLG_CONSTTIME);
-
-	/* Set the counter to the special value -1
-	 * to indicate that this is never-used fresh blinding
-	 * that does not need updating before first use. */
-	ret->counter = -1;
-	CRYPTO_THREADID_current(&ret->tid);
-	return(ret);
-err:
-	if (ret != NULL) BN_BLINDING_free(ret);
-	return(NULL);
-	}
+{
+    BN_BLINDING *ret = NULL;
+
+    bn_check_top(mod);
+
+    if ((ret = (BN_BLINDING *)OPENSSL_malloc(sizeof(BN_BLINDING))) == NULL) {
+        BNerr(BN_F_BN_BLINDING_NEW, ERR_R_MALLOC_FAILURE);
+        return (NULL);
+    }
+    memset(ret, 0, sizeof(BN_BLINDING));
+    if (A != NULL) {
+        if ((ret->A = BN_dup(A)) == NULL)
+            goto err;
+    }
+    if (Ai != NULL) {
+        if ((ret->Ai = BN_dup(Ai)) == NULL)
+            goto err;
+    }
+
+    /* save a copy of mod in the BN_BLINDING structure */
+    if ((ret->mod = BN_dup(mod)) == NULL)
+        goto err;
+    if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)
+        BN_set_flags(ret->mod, BN_FLG_CONSTTIME);
+
+    /*
+     * Set the counter to the special value -1 to indicate that this is
+     * never-used fresh blinding that does not need updating before first
+     * use.
+     */
+    ret->counter = -1;
+    CRYPTO_THREADID_current(&ret->tid);
+    return (ret);
+ err:
+    if (ret != NULL)
+        BN_BLINDING_free(ret);
+    return (NULL);
+}
 
 void BN_BLINDING_free(BN_BLINDING *r)
-	{
-	if(r == NULL)
-	    return;
-
-	if (r->A  != NULL) BN_free(r->A );
-	if (r->Ai != NULL) BN_free(r->Ai);
-	if (r->e  != NULL) BN_free(r->e );
-	if (r->mod != NULL) BN_free(r->mod); 
-	OPENSSL_free(r);
-	}
+{
+    if (r == NULL)
+        return;
+
+    if (r->A != NULL)
+        BN_free(r->A);
+    if (r->Ai != NULL)
+        BN_free(r->Ai);
+    if (r->e != NULL)
+        BN_free(r->e);
+    if (r->mod != NULL)
+        BN_free(r->mod);
+    OPENSSL_free(r);
+}
 
 int BN_BLINDING_update(BN_BLINDING *b, BN_CTX *ctx)
-	{
-	int ret=0;
-
-	if ((b->A == NULL) || (b->Ai == NULL))
-		{
-		BNerr(BN_F_BN_BLINDING_UPDATE,BN_R_NOT_INITIALIZED);
-		goto err;
-		}
-
-	if (b->counter == -1)
-		b->counter = 0;
-
-	if (++b->counter == BN_BLINDING_COUNTER && b->e != NULL &&
-		!(b->flags & BN_BLINDING_NO_RECREATE))
-		{
-		/* re-create blinding parameters */
-		if (!BN_BLINDING_create_param(b, NULL, NULL, ctx, NULL, NULL))
-			goto err;
-		}
-	else if (!(b->flags & BN_BLINDING_NO_UPDATE))
-		{
-		if (!BN_mod_mul(b->A,b->A,b->A,b->mod,ctx)) goto err;
-		if (!BN_mod_mul(b->Ai,b->Ai,b->Ai,b->mod,ctx)) goto err;
-		}
-
-	ret=1;
-err:
-	if (b->counter == BN_BLINDING_COUNTER)
-		b->counter = 0;
-	return(ret);
-	}
+{
+    int ret = 0;
+
+    if ((b->A == NULL) || (b->Ai == NULL)) {
+        BNerr(BN_F_BN_BLINDING_UPDATE, BN_R_NOT_INITIALIZED);
+        goto err;
+    }
+
+    if (b->counter == -1)
+        b->counter = 0;
+
+    if (++b->counter == BN_BLINDING_COUNTER && b->e != NULL &&
+        !(b->flags & BN_BLINDING_NO_RECREATE)) {
+        /* re-create blinding parameters */
+        if (!BN_BLINDING_create_param(b, NULL, NULL, ctx, NULL, NULL))
+            goto err;
+    } else if (!(b->flags & BN_BLINDING_NO_UPDATE)) {
+        if (!BN_mod_mul(b->A, b->A, b->A, b->mod, ctx))
+            goto err;
+        if (!BN_mod_mul(b->Ai, b->Ai, b->Ai, b->mod, ctx))
+            goto err;
+    }
+
+    ret = 1;
+ err:
+    if (b->counter == BN_BLINDING_COUNTER)
+        b->counter = 0;
+    return (ret);
+}
 
 int BN_BLINDING_convert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx)
-	{
-	return BN_BLINDING_convert_ex(n, NULL, b, ctx);
-	}
+{
+    return BN_BLINDING_convert_ex(n, NULL, b, ctx);
+}
 
 int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *ctx)
-	{
-	int ret = 1;
+{
+    int ret = 1;
 
-	bn_check_top(n);
+    bn_check_top(n);
 
-	if ((b->A == NULL) || (b->Ai == NULL))
-		{
-		BNerr(BN_F_BN_BLINDING_CONVERT_EX,BN_R_NOT_INITIALIZED);
-		return(0);
-		}
+    if ((b->A == NULL) || (b->Ai == NULL)) {
+        BNerr(BN_F_BN_BLINDING_CONVERT_EX, BN_R_NOT_INITIALIZED);
+        return (0);
+    }
 
-	if (b->counter == -1)
-		/* Fresh blinding, doesn't need updating. */
-		b->counter = 0;
-	else if (!BN_BLINDING_update(b,ctx))
-		return(0);
+    if (b->counter == -1)
+        /* Fresh blinding, doesn't need updating. */
+        b->counter = 0;
+    else if (!BN_BLINDING_update(b, ctx))
+        return (0);
 
-	if (r != NULL)
-		{
-		if (!BN_copy(r, b->Ai)) ret=0;
-		}
+    if (r != NULL) {
+        if (!BN_copy(r, b->Ai))
+            ret = 0;
+    }
 
-	if (!BN_mod_mul(n,n,b->A,b->mod,ctx)) ret=0;
-	
-	return ret;
-	}
+    if (!BN_mod_mul(n, n, b->A, b->mod, ctx))
+        ret = 0;
+
+    return ret;
+}
 
 int BN_BLINDING_invert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx)
-	{
-	return BN_BLINDING_invert_ex(n, NULL, b, ctx);
-	}
-
-int BN_BLINDING_invert_ex(BIGNUM *n, const BIGNUM *r, BN_BLINDING *b, BN_CTX *ctx)
-	{
-	int ret;
-
-	bn_check_top(n);
-
-	if (r != NULL)
-		ret = BN_mod_mul(n, n, r, b->mod, ctx);
-	else
-		{
-		if (b->Ai == NULL)
-			{
-			BNerr(BN_F_BN_BLINDING_INVERT_EX,BN_R_NOT_INITIALIZED);
-			return(0);
-			}
-		ret = BN_mod_mul(n, n, b->Ai, b->mod, ctx);
-		}
-
-	bn_check_top(n);
-	return(ret);
-	}
+{
+    return BN_BLINDING_invert_ex(n, NULL, b, ctx);
+}
+
+int BN_BLINDING_invert_ex(BIGNUM *n, const BIGNUM *r, BN_BLINDING *b,
+                          BN_CTX *ctx)
+{
+    int ret;
+
+    bn_check_top(n);
+
+    if (r != NULL)
+        ret = BN_mod_mul(n, n, r, b->mod, ctx);
+    else {
+        if (b->Ai == NULL) {
+            BNerr(BN_F_BN_BLINDING_INVERT_EX, BN_R_NOT_INITIALIZED);
+            return (0);
+        }
+        ret = BN_mod_mul(n, n, b->Ai, b->mod, ctx);
+    }
+
+    bn_check_top(n);
+    return (ret);
+}
 
 #ifndef OPENSSL_NO_DEPRECATED
 unsigned long BN_BLINDING_get_thread_id(const BN_BLINDING *b)
-	{
-	return b->thread_id;
-	}
+{
+    return b->thread_id;
+}
 
 void BN_BLINDING_set_thread_id(BN_BLINDING *b, unsigned long n)
-	{
-	b->thread_id = n;
-	}
+{
+    b->thread_id = n;
+}
 #endif
 
 CRYPTO_THREADID *BN_BLINDING_thread_id(BN_BLINDING *b)
-	{
-	return &b->tid;
-	}
+{
+    return &b->tid;
+}
 
 unsigned long BN_BLINDING_get_flags(const BN_BLINDING *b)
-	{
-	return b->flags;
-	}
+{
+    return b->flags;
+}
 
 void BN_BLINDING_set_flags(BN_BLINDING *b, unsigned long flags)
-	{
-	b->flags = flags;
-	}
+{
+    b->flags = flags;
+}
 
 BN_BLINDING *BN_BLINDING_create_param(BN_BLINDING *b,
-	const BIGNUM *e, BIGNUM *m, BN_CTX *ctx,
-	int (*bn_mod_exp)(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-			  const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx),
-	BN_MONT_CTX *m_ctx)
+                                      const BIGNUM *e, BIGNUM *m, BN_CTX *ctx,
+                                      int (*bn_mod_exp) (BIGNUM *r,
+                                                         const BIGNUM *a,
+                                                         const BIGNUM *p,
+                                                         const BIGNUM *m,
+                                                         BN_CTX *ctx,
+                                                         BN_MONT_CTX *m_ctx),
+                                      BN_MONT_CTX *m_ctx)
 {
-	int    retry_counter = 32;
-	BN_BLINDING *ret = NULL;
-
-	if (b == NULL)
-		ret = BN_BLINDING_new(NULL, NULL, m);
-	else
-		ret = b;
-
-	if (ret == NULL)
-		goto err;
-
-	if (ret->A  == NULL && (ret->A  = BN_new()) == NULL)
-		goto err;
-	if (ret->Ai == NULL && (ret->Ai	= BN_new()) == NULL)
-		goto err;
-
-	if (e != NULL)
-		{
-		if (ret->e != NULL)
-			BN_free(ret->e);
-		ret->e = BN_dup(e);
-		}
-	if (ret->e == NULL)
-		goto err;
-
-	if (bn_mod_exp != NULL)
-		ret->bn_mod_exp = bn_mod_exp;
-	if (m_ctx != NULL)
-		ret->m_ctx = m_ctx;
-
-	do {
-		if (!BN_rand_range(ret->A, ret->mod)) goto err;
-		if (BN_mod_inverse(ret->Ai, ret->A, ret->mod, ctx) == NULL)
-			{
-			/* this should almost never happen for good RSA keys */
-			unsigned long error = ERR_peek_last_error();
-			if (ERR_GET_REASON(error) == BN_R_NO_INVERSE)
-				{
-				if (retry_counter-- == 0)
-				{
-					BNerr(BN_F_BN_BLINDING_CREATE_PARAM,
-						BN_R_TOO_MANY_ITERATIONS);
-					goto err;
-				}
-				ERR_clear_error();
-				}
-			else
-				goto err;
-			}
-		else
-			break;
-	} while (1);
-
-	if (ret->bn_mod_exp != NULL && ret->m_ctx != NULL)
-		{
-		if (!ret->bn_mod_exp(ret->A, ret->A, ret->e, ret->mod, ctx, ret->m_ctx))
-			goto err;
-		}
-	else
-		{
-		if (!BN_mod_exp(ret->A, ret->A, ret->e, ret->mod, ctx))
-			goto err;
-		}
-
-	return ret;
-err:
-	if (b == NULL && ret != NULL)
-		{
-		BN_BLINDING_free(ret);
-		ret = NULL;
-		}
-
-	return ret;
+    int retry_counter = 32;
+    BN_BLINDING *ret = NULL;
+
+    if (b == NULL)
+        ret = BN_BLINDING_new(NULL, NULL, m);
+    else
+        ret = b;
+
+    if (ret == NULL)
+        goto err;
+
+    if (ret->A == NULL && (ret->A = BN_new()) == NULL)
+        goto err;
+    if (ret->Ai == NULL && (ret->Ai = BN_new()) == NULL)
+        goto err;
+
+    if (e != NULL) {
+        if (ret->e != NULL)
+            BN_free(ret->e);
+        ret->e = BN_dup(e);
+    }
+    if (ret->e == NULL)
+        goto err;
+
+    if (bn_mod_exp != NULL)
+        ret->bn_mod_exp = bn_mod_exp;
+    if (m_ctx != NULL)
+        ret->m_ctx = m_ctx;
+
+    do {
+        if (!BN_rand_range(ret->A, ret->mod))
+            goto err;
+        if (BN_mod_inverse(ret->Ai, ret->A, ret->mod, ctx) == NULL) {
+            /*
+             * this should almost never happen for good RSA keys
+             */
+            unsigned long error = ERR_peek_last_error();
+            if (ERR_GET_REASON(error) == BN_R_NO_INVERSE) {
+                if (retry_counter-- == 0) {
+                    BNerr(BN_F_BN_BLINDING_CREATE_PARAM,
+                          BN_R_TOO_MANY_ITERATIONS);
+                    goto err;
+                }
+                ERR_clear_error();
+            } else
+                goto err;
+        } else
+            break;
+    } while (1);
+
+    if (ret->bn_mod_exp != NULL && ret->m_ctx != NULL) {
+        if (!ret->bn_mod_exp
+            (ret->A, ret->A, ret->e, ret->mod, ctx, ret->m_ctx))
+            goto err;
+    } else {
+        if (!BN_mod_exp(ret->A, ret->A, ret->e, ret->mod, ctx))
+            goto err;
+    }
+
+    return ret;
+ err:
+    if (b == NULL && ret != NULL) {
+        BN_BLINDING_free(ret);
+        ret = NULL;
+    }
+
+    return ret;
 }