6 files changed, 567 insertions, 601 deletions

diff --git a/Cryptlib/OpenSSL/crypto/ecdsa/ecs_asn1.c b/Cryptlib/OpenSSL/crypto/ecdsa/ecs_asn1.c
index b2954894..508b079f 100644
--- a/Cryptlib/OpenSSL/crypto/ecdsa/ecs_asn1.c
+++ b/Cryptlib/OpenSSL/crypto/ecdsa/ecs_asn1.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
@@ -58,8 +58,8 @@
 #include <openssl/asn1t.h>
 
 ASN1_SEQUENCE(ECDSA_SIG) = {
-	ASN1_SIMPLE(ECDSA_SIG, r, CBIGNUM),
-	ASN1_SIMPLE(ECDSA_SIG, s, CBIGNUM)
+        ASN1_SIMPLE(ECDSA_SIG, r, CBIGNUM),
+        ASN1_SIMPLE(ECDSA_SIG, s, CBIGNUM)
 } ASN1_SEQUENCE_END(ECDSA_SIG)
 
 DECLARE_ASN1_FUNCTIONS_const(ECDSA_SIG)
diff --git a/Cryptlib/OpenSSL/crypto/ecdsa/ecs_err.c b/Cryptlib/OpenSSL/crypto/ecdsa/ecs_err.c
index d2a53730..80d91aff 100644
--- a/Cryptlib/OpenSSL/crypto/ecdsa/ecs_err.c
+++ b/Cryptlib/OpenSSL/crypto/ecdsa/ecs_err.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
@@ -53,7 +53,8 @@
  *
  */
 
-/* NOTE: this file was auto generated by the mkerr.pl script: any changes
+/*
+ * NOTE: this file was auto generated by the mkerr.pl script: any changes
  * made to it will be overwritten when the script next updates this file,
  * only reason strings will be preserved.
  */
@@ -65,40 +66,39 @@
 /* BEGIN ERROR CODES */
 #ifndef OPENSSL_NO_ERR
 
-#define ERR_FUNC(func) ERR_PACK(ERR_LIB_ECDSA,func,0)
-#define ERR_REASON(reason) ERR_PACK(ERR_LIB_ECDSA,0,reason)
+# define ERR_FUNC(func) ERR_PACK(ERR_LIB_ECDSA,func,0)
+# define ERR_REASON(reason) ERR_PACK(ERR_LIB_ECDSA,0,reason)
 
-static ERR_STRING_DATA ECDSA_str_functs[]=
-	{
-{ERR_FUNC(ECDSA_F_ECDSA_DATA_NEW_METHOD),	"ECDSA_DATA_NEW_METHOD"},
-{ERR_FUNC(ECDSA_F_ECDSA_DO_SIGN),	"ECDSA_do_sign"},
-{ERR_FUNC(ECDSA_F_ECDSA_DO_VERIFY),	"ECDSA_do_verify"},
-{ERR_FUNC(ECDSA_F_ECDSA_SIGN_SETUP),	"ECDSA_sign_setup"},
-{0,NULL}
-	};
+static ERR_STRING_DATA ECDSA_str_functs[] = {
+    {ERR_FUNC(ECDSA_F_ECDSA_DATA_NEW_METHOD), "ECDSA_DATA_NEW_METHOD"},
+    {ERR_FUNC(ECDSA_F_ECDSA_DO_SIGN), "ECDSA_do_sign"},
+    {ERR_FUNC(ECDSA_F_ECDSA_DO_VERIFY), "ECDSA_do_verify"},
+    {ERR_FUNC(ECDSA_F_ECDSA_SIGN_SETUP), "ECDSA_sign_setup"},
+    {0, NULL}
+};
 
-static ERR_STRING_DATA ECDSA_str_reasons[]=
-	{
-{ERR_REASON(ECDSA_R_BAD_SIGNATURE)       ,"bad signature"},
-{ERR_REASON(ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE),"data too large for key size"},
-{ERR_REASON(ECDSA_R_ERR_EC_LIB)          ,"err ec lib"},
-{ERR_REASON(ECDSA_R_MISSING_PARAMETERS)  ,"missing parameters"},
-{ERR_REASON(ECDSA_R_NEED_NEW_SETUP_VALUES),"need new setup values"},
-{ERR_REASON(ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED),"random number generation failed"},
-{ERR_REASON(ECDSA_R_SIGNATURE_MALLOC_FAILED),"signature malloc failed"},
-{0,NULL}
-	};
+static ERR_STRING_DATA ECDSA_str_reasons[] = {
+    {ERR_REASON(ECDSA_R_BAD_SIGNATURE), "bad signature"},
+    {ERR_REASON(ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE),
+     "data too large for key size"},
+    {ERR_REASON(ECDSA_R_ERR_EC_LIB), "err ec lib"},
+    {ERR_REASON(ECDSA_R_MISSING_PARAMETERS), "missing parameters"},
+    {ERR_REASON(ECDSA_R_NEED_NEW_SETUP_VALUES), "need new setup values"},
+    {ERR_REASON(ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED),
+     "random number generation failed"},
+    {ERR_REASON(ECDSA_R_SIGNATURE_MALLOC_FAILED), "signature malloc failed"},
+    {0, NULL}
+};
 
 #endif
 
 void ERR_load_ECDSA_strings(void)
-	{
+{
 #ifndef OPENSSL_NO_ERR
 
-	if (ERR_func_error_string(ECDSA_str_functs[0].error) == NULL)
-		{
-		ERR_load_strings(0,ECDSA_str_functs);
-		ERR_load_strings(0,ECDSA_str_reasons);
-		}
+    if (ERR_func_error_string(ECDSA_str_functs[0].error) == NULL) {
+        ERR_load_strings(0, ECDSA_str_functs);
+        ERR_load_strings(0, ECDSA_str_reasons);
+    }
 #endif
-	}
+}
diff --git a/Cryptlib/OpenSSL/crypto/ecdsa/ecs_lib.c b/Cryptlib/OpenSSL/crypto/ecdsa/ecs_lib.c
index 81082c97..dfcb6dbc 100644
--- a/Cryptlib/OpenSSL/crypto/ecdsa/ecs_lib.c
+++ b/Cryptlib/OpenSSL/crypto/ecdsa/ecs_lib.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
@@ -56,211 +56,204 @@
 #include <string.h>
 #include "ecs_locl.h"
 #ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
+# include <openssl/engine.h>
 #endif
 #include <openssl/err.h>
 #include <openssl/bn.h>
 
-const char ECDSA_version[]="ECDSA" OPENSSL_VERSION_PTEXT;
+const char ECDSA_version[] = "ECDSA" OPENSSL_VERSION_PTEXT;
 
 static const ECDSA_METHOD *default_ECDSA_method = NULL;
 
 static void *ecdsa_data_new(void);
 static void *ecdsa_data_dup(void *);
-static void  ecdsa_data_free(void *);
+static void ecdsa_data_free(void *);
 
 void ECDSA_set_default_method(const ECDSA_METHOD *meth)
 {
-	default_ECDSA_method = meth;
+    default_ECDSA_method = meth;
 }
 
 const ECDSA_METHOD *ECDSA_get_default_method(void)
 {
-	if(!default_ECDSA_method) 
-		default_ECDSA_method = ECDSA_OpenSSL();
-	return default_ECDSA_method;
+    if (!default_ECDSA_method)
+        default_ECDSA_method = ECDSA_OpenSSL();
+    return default_ECDSA_method;
 }
 
 int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth)
 {
-	ECDSA_DATA *ecdsa;
+    ECDSA_DATA *ecdsa;
 
-	ecdsa = ecdsa_check(eckey);
+    ecdsa = ecdsa_check(eckey);
 
-	if (ecdsa == NULL)
-		return 0;
+    if (ecdsa == NULL)
+        return 0;
 
 #ifndef OPENSSL_NO_ENGINE
-	if (ecdsa->engine)
-	{
-		ENGINE_finish(ecdsa->engine);
-		ecdsa->engine = NULL;
-	}
+    if (ecdsa->engine) {
+        ENGINE_finish(ecdsa->engine);
+        ecdsa->engine = NULL;
+    }
 #endif
-        ecdsa->meth = meth;
+    ecdsa->meth = meth;
 
-        return 1;
+    return 1;
 }
 
 static ECDSA_DATA *ECDSA_DATA_new_method(ENGINE *engine)
 {
-	ECDSA_DATA *ret;
+    ECDSA_DATA *ret;
 
-	ret=(ECDSA_DATA *)OPENSSL_malloc(sizeof(ECDSA_DATA));
-	if (ret == NULL)
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE);
-		return(NULL);
-	}
+    ret = (ECDSA_DATA *)OPENSSL_malloc(sizeof(ECDSA_DATA));
+    if (ret == NULL) {
+        ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE);
+        return (NULL);
+    }
 
-	ret->init = NULL;
+    ret->init = NULL;
 
-	ret->meth = ECDSA_get_default_method();
-	ret->engine = engine;
+    ret->meth = ECDSA_get_default_method();
+    ret->engine = engine;
 #ifndef OPENSSL_NO_ENGINE
-	if (!ret->engine)
-		ret->engine = ENGINE_get_default_ECDSA();
-	if (ret->engine)
-	{
-		ret->meth = ENGINE_get_ECDSA(ret->engine);
-		if (!ret->meth)
-		{
-			ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_ENGINE_LIB);
-			ENGINE_finish(ret->engine);
-			OPENSSL_free(ret);
-			return NULL;
-		}
-	}
+    if (!ret->engine)
+        ret->engine = ENGINE_get_default_ECDSA();
+    if (ret->engine) {
+        ret->meth = ENGINE_get_ECDSA(ret->engine);
+        if (!ret->meth) {
+            ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_ENGINE_LIB);
+            ENGINE_finish(ret->engine);
+            OPENSSL_free(ret);
+            return NULL;
+        }
+    }
 #endif
 
-	ret->flags = ret->meth->flags;
-	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
+    ret->flags = ret->meth->flags;
+    CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
 #if 0
-	if ((ret->meth->init != NULL) && !ret->meth->init(ret))
-	{
-		CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
-		OPENSSL_free(ret);
-		ret=NULL;
-	}
-#endif	
-	return(ret);
+    if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
+        CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
+        OPENSSL_free(ret);
+        ret = NULL;
+    }
+#endif
+    return (ret);
 }
 
 static void *ecdsa_data_new(void)
 {
-	return (void *)ECDSA_DATA_new_method(NULL);
+    return (void *)ECDSA_DATA_new_method(NULL);
 }
 
 static void *ecdsa_data_dup(void *data)
 {
-	ECDSA_DATA *r = (ECDSA_DATA *)data;
+    ECDSA_DATA *r = (ECDSA_DATA *)data;
 
-	/* XXX: dummy operation */
-	if (r == NULL)
-		return NULL;
+    /* XXX: dummy operation */
+    if (r == NULL)
+        return NULL;
 
-	return ecdsa_data_new();
+    return ecdsa_data_new();
 }
 
 static void ecdsa_data_free(void *data)
 {
-	ECDSA_DATA *r = (ECDSA_DATA *)data;
+    ECDSA_DATA *r = (ECDSA_DATA *)data;
 
 #ifndef OPENSSL_NO_ENGINE
-	if (r->engine)
-		ENGINE_finish(r->engine);
+    if (r->engine)
+        ENGINE_finish(r->engine);
 #endif
-	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, r, &r->ex_data);
+    CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, r, &r->ex_data);
 
-	OPENSSL_cleanse((void *)r, sizeof(ECDSA_DATA));
+    OPENSSL_cleanse((void *)r, sizeof(ECDSA_DATA));
 
-	OPENSSL_free(r);
+    OPENSSL_free(r);
 }
 
 ECDSA_DATA *ecdsa_check(EC_KEY *key)
 {
-	ECDSA_DATA *ecdsa_data;
- 
-	void *data = EC_KEY_get_key_method_data(key, ecdsa_data_dup,
-					ecdsa_data_free, ecdsa_data_free);
-	if (data == NULL)
-	{
-		ecdsa_data = (ECDSA_DATA *)ecdsa_data_new();
-		if (ecdsa_data == NULL)
-			return NULL;
-		data = EC_KEY_insert_key_method_data(key, (void *)ecdsa_data,
-			   ecdsa_data_dup, ecdsa_data_free, ecdsa_data_free);
-		if (data != NULL)
-			{
-			/* Another thread raced us to install the key_method
-			 * data and won. */
-			ecdsa_data_free(ecdsa_data);
-			ecdsa_data = (ECDSA_DATA *)data;
-			}
-	}
-	else
-		ecdsa_data = (ECDSA_DATA *)data;
-	
-
-	return ecdsa_data;
+    ECDSA_DATA *ecdsa_data;
+
+    void *data = EC_KEY_get_key_method_data(key, ecdsa_data_dup,
+                                            ecdsa_data_free, ecdsa_data_free);
+    if (data == NULL) {
+        ecdsa_data = (ECDSA_DATA *)ecdsa_data_new();
+        if (ecdsa_data == NULL)
+            return NULL;
+        data = EC_KEY_insert_key_method_data(key, (void *)ecdsa_data,
+                                             ecdsa_data_dup, ecdsa_data_free,
+                                             ecdsa_data_free);
+        if (data != NULL) {
+            /*
+             * Another thread raced us to install the key_method data and
+             * won.
+             */
+            ecdsa_data_free(ecdsa_data);
+            ecdsa_data = (ECDSA_DATA *)data;
+        }
+    } else
+        ecdsa_data = (ECDSA_DATA *)data;
+
+    return ecdsa_data;
 }
 
 int ECDSA_size(const EC_KEY *r)
 {
-	int ret,i;
-	ASN1_INTEGER bs;
-	BIGNUM	*order=NULL;
-	unsigned char buf[4];
-	const EC_GROUP *group;
-
-	if (r == NULL)
-		return 0;
-	group = EC_KEY_get0_group(r);
-	if (group == NULL)
-		return 0;
-
-	if ((order = BN_new()) == NULL) return 0;
-	if (!EC_GROUP_get_order(group,order,NULL))
-	{
-		BN_clear_free(order);
-		return 0;
-	} 
-	i=BN_num_bits(order);
-	bs.length=(i+7)/8;
-	bs.data=buf;
-	bs.type=V_ASN1_INTEGER;
-	/* If the top bit is set the asn1 encoding is 1 larger. */
-	buf[0]=0xff;	
-
-	i=i2d_ASN1_INTEGER(&bs,NULL);
-	i+=i; /* r and s */
-	ret=ASN1_object_size(1,i,V_ASN1_SEQUENCE);
-	BN_clear_free(order);
-	return(ret);
+    int ret, i;
+    ASN1_INTEGER bs;
+    BIGNUM *order = NULL;
+    unsigned char buf[4];
+    const EC_GROUP *group;
+
+    if (r == NULL)
+        return 0;
+    group = EC_KEY_get0_group(r);
+    if (group == NULL)
+        return 0;
+
+    if ((order = BN_new()) == NULL)
+        return 0;
+    if (!EC_GROUP_get_order(group, order, NULL)) {
+        BN_clear_free(order);
+        return 0;
+    }
+    i = BN_num_bits(order);
+    bs.length = (i + 7) / 8;
+    bs.data = buf;
+    bs.type = V_ASN1_INTEGER;
+    /* If the top bit is set the asn1 encoding is 1 larger. */
+    buf[0] = 0xff;
+
+    i = i2d_ASN1_INTEGER(&bs, NULL);
+    i += i;                     /* r and s */
+    ret = ASN1_object_size(1, i, V_ASN1_SEQUENCE);
+    BN_clear_free(order);
+    return (ret);
 }
 
-
 int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
-	     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
+                           CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
 {
-	return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ECDSA, argl, argp,
-				new_func, dup_func, free_func);
+    return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ECDSA, argl, argp,
+                                   new_func, dup_func, free_func);
 }
 
 int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg)
 {
-	ECDSA_DATA *ecdsa;
-	ecdsa = ecdsa_check(d);
-	if (ecdsa == NULL)
-		return 0;
-	return(CRYPTO_set_ex_data(&ecdsa->ex_data,idx,arg));
+    ECDSA_DATA *ecdsa;
+    ecdsa = ecdsa_check(d);
+    if (ecdsa == NULL)
+        return 0;
+    return (CRYPTO_set_ex_data(&ecdsa->ex_data, idx, arg));
 }
 
 void *ECDSA_get_ex_data(EC_KEY *d, int idx)
 {
-	ECDSA_DATA *ecdsa;
-	ecdsa = ecdsa_check(d);
-	if (ecdsa == NULL)
-		return NULL;
-	return(CRYPTO_get_ex_data(&ecdsa->ex_data,idx));
+    ECDSA_DATA *ecdsa;
+    ecdsa = ecdsa_check(d);
+    if (ecdsa == NULL)
+        return NULL;
+    return (CRYPTO_get_ex_data(&ecdsa->ex_data, idx));
 }
diff --git a/Cryptlib/OpenSSL/crypto/ecdsa/ecs_ossl.c b/Cryptlib/OpenSSL/crypto/ecdsa/ecs_ossl.c
index 1bbf328d..8b29b242 100644
--- a/Cryptlib/OpenSSL/crypto/ecdsa/ecs_ossl.c
+++ b/Cryptlib/OpenSSL/crypto/ecdsa/ecs_ossl.c
@@ -10,7 +10,7 @@
  * 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
@@ -61,420 +61,377 @@
 #include <openssl/obj_mac.h>
 #include <openssl/bn.h>
 
-static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dlen, 
-		const BIGNUM *, const BIGNUM *, EC_KEY *eckey);
-static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp, 
-		BIGNUM **rp);
-static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len, 
-		const ECDSA_SIG *sig, EC_KEY *eckey);
+static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dlen,
+                                const BIGNUM *, const BIGNUM *,
+                                EC_KEY *eckey);
+static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
+                            BIGNUM **rp);
+static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len,
+                           const ECDSA_SIG *sig, EC_KEY *eckey);
 
 static ECDSA_METHOD openssl_ecdsa_meth = {
-	"OpenSSL ECDSA method",
-	ecdsa_do_sign,
-	ecdsa_sign_setup,
-	ecdsa_do_verify,
+    "OpenSSL ECDSA method",
+    ecdsa_do_sign,
+    ecdsa_sign_setup,
+    ecdsa_do_verify,
 #if 0
-	NULL, /* init     */
-	NULL, /* finish   */
+    NULL,                       /* init */
+    NULL,                       /* finish */
 #endif
-	0,    /* flags    */
-	NULL  /* app_data */
+    0,                          /* flags */
+    NULL                        /* app_data */
 };
 
 const ECDSA_METHOD *ECDSA_OpenSSL(void)
 {
-	return &openssl_ecdsa_meth;
+    return &openssl_ecdsa_meth;
 }
 
 static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
-		BIGNUM **rp)
+                            BIGNUM **rp)
 {
-	BN_CTX   *ctx = NULL;
-	BIGNUM	 *k = NULL, *r = NULL, *order = NULL, *X = NULL;
-	EC_POINT *tmp_point=NULL;
-	const EC_GROUP *group;
-	int 	 ret = 0;
+    BN_CTX *ctx = NULL;
+    BIGNUM *k = NULL, *r = NULL, *order = NULL, *X = NULL;
+    EC_POINT *tmp_point = NULL;
+    const EC_GROUP *group;
+    int ret = 0;
 
-	if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL)
-	{
-		ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_PASSED_NULL_PARAMETER);
-		return 0;
-	}
+    if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL) {
+        ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_PASSED_NULL_PARAMETER);
+        return 0;
+    }
 
-	if (ctx_in == NULL) 
-	{
-		if ((ctx = BN_CTX_new()) == NULL)
-		{
-			ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,ERR_R_MALLOC_FAILURE);
-			return 0;
-		}
-	}
-	else
-		ctx = ctx_in;
+    if (ctx_in == NULL) {
+        if ((ctx = BN_CTX_new()) == NULL) {
+            ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_MALLOC_FAILURE);
+            return 0;
+        }
+    } else
+        ctx = ctx_in;
 
-	k     = BN_new();	/* this value is later returned in *kinvp */
-	r     = BN_new();	/* this value is later returned in *rp    */
-	order = BN_new();
-	X     = BN_new();
-	if (!k || !r || !order || !X)
-	{
-		ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_MALLOC_FAILURE);
-		goto err;
-	}
-	if ((tmp_point = EC_POINT_new(group)) == NULL)
-	{
-		ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
-		goto err;
-	}
-	if (!EC_GROUP_get_order(group, order, ctx))
-	{
-		ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
-		goto err;
-	}
-	
-	do
-	{
-		/* get random k */	
-		do
-			if (!BN_rand_range(k, order))
-			{
-				ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,
-				 ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED);	
-				goto err;
-			}
-		while (BN_is_zero(k));
+    k = BN_new();               /* this value is later returned in *kinvp */
+    r = BN_new();               /* this value is later returned in *rp */
+    order = BN_new();
+    X = BN_new();
+    if (!k || !r || !order || !X) {
+        ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+    if ((tmp_point = EC_POINT_new(group)) == NULL) {
+        ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
+        goto err;
+    }
+    if (!EC_GROUP_get_order(group, order, ctx)) {
+        ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
+        goto err;
+    }
 
-		/* We do not want timing information to leak the length of k,
-		 * so we compute G*k using an equivalent scalar of fixed
-		 * bit-length. */
+    do {
+        /* get random k */
+        do
+            if (!BN_rand_range(k, order)) {
+                ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,
+                         ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED);
+                goto err;
+            }
+        while (BN_is_zero(k)) ;
 
-		if (!BN_add(k, k, order)) goto err;
-		if (BN_num_bits(k) <= BN_num_bits(order))
-			if (!BN_add(k, k, order)) goto err;
+        /*
+         * We do not want timing information to leak the length of k, so we
+         * compute G*k using an equivalent scalar of fixed bit-length.
+         */
 
-		/* compute r the x-coordinate of generator * k */
-		if (!EC_POINT_mul(group, tmp_point, k, NULL, NULL, ctx))
-		{
-			ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
-			goto err;
-		}
-		if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field)
-		{
-			if (!EC_POINT_get_affine_coordinates_GFp(group,
-				tmp_point, X, NULL, ctx))
-			{
-				ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,ERR_R_EC_LIB);
-				goto err;
-			}
-		}
-		else /* NID_X9_62_characteristic_two_field */
-		{
-			if (!EC_POINT_get_affine_coordinates_GF2m(group,
-				tmp_point, X, NULL, ctx))
-			{
-				ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,ERR_R_EC_LIB);
-				goto err;
-			}
-		}
-		if (!BN_nnmod(r, X, order, ctx))
-		{
-			ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);
-			goto err;
-		}
-	}
-	while (BN_is_zero(r));
+        if (!BN_add(k, k, order))
+            goto err;
+        if (BN_num_bits(k) <= BN_num_bits(order))
+            if (!BN_add(k, k, order))
+                goto err;
 
-	/* compute the inverse of k */
-	if (!BN_mod_inverse(k, k, order, ctx))
-	{
-		ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);
-		goto err;	
-	}
-	/* clear old values if necessary */
-	if (*rp != NULL)
-		BN_clear_free(*rp);
-	if (*kinvp != NULL) 
-		BN_clear_free(*kinvp);
-	/* save the pre-computed values  */
-	*rp    = r;
-	*kinvp = k;
-	ret = 1;
-err:
-	if (!ret)
-	{
-		if (k != NULL) BN_clear_free(k);
-		if (r != NULL) BN_clear_free(r);
-	}
-	if (ctx_in == NULL) 
-		BN_CTX_free(ctx);
-	if (order != NULL)
-		BN_free(order);
-	if (tmp_point != NULL) 
-		EC_POINT_free(tmp_point);
-	if (X)
-		BN_clear_free(X);
-	return(ret);
-}
+        /* compute r the x-coordinate of generator * k */
+        if (!EC_POINT_mul(group, tmp_point, k, NULL, NULL, ctx)) {
+            ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
+            goto err;
+        }
+        if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==
+            NID_X9_62_prime_field) {
+            if (!EC_POINT_get_affine_coordinates_GFp
+                (group, tmp_point, X, NULL, ctx)) {
+                ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
+                goto err;
+            }
+        } else {                /* NID_X9_62_characteristic_two_field */
 
+            if (!EC_POINT_get_affine_coordinates_GF2m(group,
+                                                      tmp_point, X, NULL,
+                                                      ctx)) {
+                ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
+                goto err;
+            }
+        }
+        if (!BN_nnmod(r, X, order, ctx)) {
+            ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);
+            goto err;
+        }
+    }
+    while (BN_is_zero(r));
+
+    /* compute the inverse of k */
+    if (!BN_mod_inverse(k, k, order, ctx)) {
+        ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);
+        goto err;
+    }
+    /* clear old values if necessary */
+    if (*rp != NULL)
+        BN_clear_free(*rp);
+    if (*kinvp != NULL)
+        BN_clear_free(*kinvp);
+    /* save the pre-computed values  */
+    *rp = r;
+    *kinvp = k;
+    ret = 1;
+ err:
+    if (!ret) {
+        if (k != NULL)
+            BN_clear_free(k);
+        if (r != NULL)
+            BN_clear_free(r);
+    }
+    if (ctx_in == NULL)
+        BN_CTX_free(ctx);
+    if (order != NULL)
+        BN_free(order);
+    if (tmp_point != NULL)
+        EC_POINT_free(tmp_point);
+    if (X)
+        BN_clear_free(X);
+    return (ret);
+}
 
-static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dgst_len, 
-		const BIGNUM *in_kinv, const BIGNUM *in_r, EC_KEY *eckey)
+static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dgst_len,
+                                const BIGNUM *in_kinv, const BIGNUM *in_r,
+                                EC_KEY *eckey)
 {
-	int     ok = 0, i;
-	BIGNUM *kinv=NULL, *s, *m=NULL,*tmp=NULL,*order=NULL;
-	const BIGNUM *ckinv;
-	BN_CTX     *ctx = NULL;
-	const EC_GROUP   *group;
-	ECDSA_SIG  *ret;
-	ECDSA_DATA *ecdsa;
-	const BIGNUM *priv_key;
+    int ok = 0, i;
+    BIGNUM *kinv = NULL, *s, *m = NULL, *tmp = NULL, *order = NULL;
+    const BIGNUM *ckinv;
+    BN_CTX *ctx = NULL;
+    const EC_GROUP *group;
+    ECDSA_SIG *ret;
+    ECDSA_DATA *ecdsa;
+    const BIGNUM *priv_key;
 
-	ecdsa    = ecdsa_check(eckey);
-	group    = EC_KEY_get0_group(eckey);
-	priv_key = EC_KEY_get0_private_key(eckey);
-	
-	if (group == NULL || priv_key == NULL || ecdsa == NULL)
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_PASSED_NULL_PARAMETER);
-		return NULL;
-	}
+    ecdsa = ecdsa_check(eckey);
+    group = EC_KEY_get0_group(eckey);
+    priv_key = EC_KEY_get0_private_key(eckey);
 
-	ret = ECDSA_SIG_new();
-	if (!ret)
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
-		return NULL;
-	}
-	s = ret->s;
+    if (group == NULL || priv_key == NULL || ecdsa == NULL) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_PASSED_NULL_PARAMETER);
+        return NULL;
+    }
 
-	if ((ctx = BN_CTX_new()) == NULL || (order = BN_new()) == NULL ||
-		(tmp = BN_new()) == NULL || (m = BN_new()) == NULL)
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
-		goto err;
-	}
+    ret = ECDSA_SIG_new();
+    if (!ret) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
+    s = ret->s;
 
-	if (!EC_GROUP_get_order(group, order, ctx))
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_EC_LIB);
-		goto err;
-	}
-	i = BN_num_bits(order);
-	/* Need to truncate digest if it is too long: first truncate whole
-	 * bytes.
-	 */
-	if (8 * dgst_len > i)
-		dgst_len = (i + 7)/8;
-	if (!BN_bin2bn(dgst, dgst_len, m))
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
-		goto err;
-	}
-	/* If still too long truncate remaining bits with a shift */
-	if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7)))
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
-		goto err;
-	}
-	do
-	{
-		if (in_kinv == NULL || in_r == NULL)
-		{
-			if (!ECDSA_sign_setup(eckey, ctx, &kinv, &ret->r))
-			{
-				ECDSAerr(ECDSA_F_ECDSA_DO_SIGN,ERR_R_ECDSA_LIB);
-				goto err;
-			}
-			ckinv = kinv;
-		}
-		else
-		{
-			ckinv  = in_kinv;
-			if (BN_copy(ret->r, in_r) == NULL)
-			{
-				ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
-				goto err;
-			}
-		}
+    if ((ctx = BN_CTX_new()) == NULL || (order = BN_new()) == NULL ||
+        (tmp = BN_new()) == NULL || (m = BN_new()) == NULL) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
 
-		if (!BN_mod_mul(tmp, priv_key, ret->r, order, ctx))
-		{
-			ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
-			goto err;
-		}
-		if (!BN_mod_add_quick(s, tmp, m, order))
-		{
-			ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
-			goto err;
-		}
-		if (!BN_mod_mul(s, s, ckinv, order, ctx))
-		{
-			ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
-			goto err;
-		}
-		if (BN_is_zero(s))
-		{
-			/* if kinv and r have been supplied by the caller
-			 * don't to generate new kinv and r values */
-			if (in_kinv != NULL && in_r != NULL)
-			{
-				ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ECDSA_R_NEED_NEW_SETUP_VALUES);
-				goto err;
-			}
-		}
-		else
-			/* s != 0 => we have a valid signature */
-			break;
-	}
-	while (1);
+    if (!EC_GROUP_get_order(group, order, ctx)) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_EC_LIB);
+        goto err;
+    }
+    i = BN_num_bits(order);
+    /*
+     * Need to truncate digest if it is too long: first truncate whole bytes.
+     */
+    if (8 * dgst_len > i)
+        dgst_len = (i + 7) / 8;
+    if (!BN_bin2bn(dgst, dgst_len, m)) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
+        goto err;
+    }
+    /* If still too long truncate remaining bits with a shift */
+    if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7))) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
+        goto err;
+    }
+    do {
+        if (in_kinv == NULL || in_r == NULL) {
+            if (!ECDSA_sign_setup(eckey, ctx, &kinv, &ret->r)) {
+                ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_ECDSA_LIB);
+                goto err;
+            }
+            ckinv = kinv;
+        } else {
+            ckinv = in_kinv;
+            if (BN_copy(ret->r, in_r) == NULL) {
+                ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
+                goto err;
+            }
+        }
 
-	ok = 1;
-err:
-	if (!ok)
-	{
-		ECDSA_SIG_free(ret);
-		ret = NULL;
-	}
-	if (ctx)
-		BN_CTX_free(ctx);
-	if (m)
-		BN_clear_free(m);
-	if (tmp)
-		BN_clear_free(tmp);
-	if (order)
-		BN_free(order);
-	if (kinv)
-		BN_clear_free(kinv);
-	return ret;
+        if (!BN_mod_mul(tmp, priv_key, ret->r, order, ctx)) {
+            ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
+            goto err;
+        }
+        if (!BN_mod_add_quick(s, tmp, m, order)) {
+            ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
+            goto err;
+        }
+        if (!BN_mod_mul(s, s, ckinv, order, ctx)) {
+            ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
+            goto err;
+        }
+        if (BN_is_zero(s)) {
+            /*
+             * if kinv and r have been supplied by the caller don't to
+             * generate new kinv and r values
+             */
+            if (in_kinv != NULL && in_r != NULL) {
+                ECDSAerr(ECDSA_F_ECDSA_DO_SIGN,
+                         ECDSA_R_NEED_NEW_SETUP_VALUES);
+                goto err;
+            }
+        } else
+            /* s != 0 => we have a valid signature */
+            break;
+    }
+    while (1);
+
+    ok = 1;
+ err:
+    if (!ok) {
+        ECDSA_SIG_free(ret);
+        ret = NULL;
+    }
+    if (ctx)
+        BN_CTX_free(ctx);
+    if (m)
+        BN_clear_free(m);
+    if (tmp)
+        BN_clear_free(tmp);
+    if (order)
+        BN_free(order);
+    if (kinv)
+        BN_clear_free(kinv);
+    return ret;
 }
 
 static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len,
-		const ECDSA_SIG *sig, EC_KEY *eckey)
+                           const ECDSA_SIG *sig, EC_KEY *eckey)
 {
-	int ret = -1, i;
-	BN_CTX   *ctx;
-	BIGNUM   *order, *u1, *u2, *m, *X;
-	EC_POINT *point = NULL;
-	const EC_GROUP *group;
-	const EC_POINT *pub_key;
+    int ret = -1, i;
+    BN_CTX *ctx;
+    BIGNUM *order, *u1, *u2, *m, *X;
+    EC_POINT *point = NULL;
+    const EC_GROUP *group;
+    const EC_POINT *pub_key;
+
+    /* check input values */
+    if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL ||
+        (pub_key = EC_KEY_get0_public_key(eckey)) == NULL || sig == NULL) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_MISSING_PARAMETERS);
+        return -1;
+    }
+
+    ctx = BN_CTX_new();
+    if (!ctx) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
+        return -1;
+    }
+    BN_CTX_start(ctx);
+    order = BN_CTX_get(ctx);
+    u1 = BN_CTX_get(ctx);
+    u2 = BN_CTX_get(ctx);
+    m = BN_CTX_get(ctx);
+    X = BN_CTX_get(ctx);
+    if (!X) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
+        goto err;
+    }
+
+    if (!EC_GROUP_get_order(group, order, ctx)) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
+        goto err;
+    }
 
-	/* check input values */
-	if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL ||
-	    (pub_key = EC_KEY_get0_public_key(eckey)) == NULL || sig == NULL)
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_MISSING_PARAMETERS);
-		return -1;
-	}
+    if (BN_is_zero(sig->r) || BN_is_negative(sig->r) ||
+        BN_ucmp(sig->r, order) >= 0 || BN_is_zero(sig->s) ||
+        BN_is_negative(sig->s) || BN_ucmp(sig->s, order) >= 0) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_BAD_SIGNATURE);
+        ret = 0;                /* signature is invalid */
+        goto err;
+    }
+    /* calculate tmp1 = inv(S) mod order */
+    if (!BN_mod_inverse(u2, sig->s, order, ctx)) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
+        goto err;
+    }
+    /* digest -> m */
+    i = BN_num_bits(order);
+    /*
+     * Need to truncate digest if it is too long: first truncate whole bytes.
+     */
+    if (8 * dgst_len > i)
+        dgst_len = (i + 7) / 8;
+    if (!BN_bin2bn(dgst, dgst_len, m)) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
+        goto err;
+    }
+    /* If still too long truncate remaining bits with a shift */
+    if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7))) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
+        goto err;
+    }
+    /* u1 = m * tmp mod order */
+    if (!BN_mod_mul(u1, m, u2, order, ctx)) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
+        goto err;
+    }
+    /* u2 = r * w mod q */
+    if (!BN_mod_mul(u2, sig->r, u2, order, ctx)) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
+        goto err;
+    }
 
-	ctx = BN_CTX_new();
-	if (!ctx)
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
-		return -1;
-	}
-	BN_CTX_start(ctx);
-	order = BN_CTX_get(ctx);	
-	u1    = BN_CTX_get(ctx);
-	u2    = BN_CTX_get(ctx);
-	m     = BN_CTX_get(ctx);
-	X     = BN_CTX_get(ctx);
-	if (!X)
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
-		goto err;
-	}
-	
-	if (!EC_GROUP_get_order(group, order, ctx))
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
-		goto err;
-	}
+    if ((point = EC_POINT_new(group)) == NULL) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+    if (!EC_POINT_mul(group, point, u1, pub_key, u2, ctx)) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
+        goto err;
+    }
+    if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==
+        NID_X9_62_prime_field) {
+        if (!EC_POINT_get_affine_coordinates_GFp(group, point, X, NULL, ctx)) {
+            ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
+            goto err;
+        }
+    } else {                    /* NID_X9_62_characteristic_two_field */
 
-	if (BN_is_zero(sig->r)          || BN_is_negative(sig->r) || 
-	    BN_ucmp(sig->r, order) >= 0 || BN_is_zero(sig->s)  ||
-	    BN_is_negative(sig->s)      || BN_ucmp(sig->s, order) >= 0)
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_BAD_SIGNATURE);
-		ret = 0;	/* signature is invalid */
-		goto err;
-	}
-	/* calculate tmp1 = inv(S) mod order */
-	if (!BN_mod_inverse(u2, sig->s, order, ctx))
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
-		goto err;
-	}
-	/* digest -> m */
-	i = BN_num_bits(order);
-	/* Need to truncate digest if it is too long: first truncate whole
-	 * bytes.
-	 */
-	if (8 * dgst_len > i)
-		dgst_len = (i + 7)/8;
-	if (!BN_bin2bn(dgst, dgst_len, m))
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
-		goto err;
-	}
-	/* If still too long truncate remaining bits with a shift */
-	if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7)))
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
-		goto err;
-	}
-	/* u1 = m * tmp mod order */
-	if (!BN_mod_mul(u1, m, u2, order, ctx))
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
-		goto err;
-	}
-	/* u2 = r * w mod q */
-	if (!BN_mod_mul(u2, sig->r, u2, order, ctx))
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
-		goto err;
-	}
+        if (!EC_POINT_get_affine_coordinates_GF2m(group, point, X, NULL, ctx)) {
+            ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
+            goto err;
+        }
+    }
 
-	if ((point = EC_POINT_new(group)) == NULL)
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
-		goto err;
-	}
-	if (!EC_POINT_mul(group, point, u1, pub_key, u2, ctx))
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
-		goto err;
-	}
-	if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field)
-	{
-		if (!EC_POINT_get_affine_coordinates_GFp(group,
-			point, X, NULL, ctx))
-		{
-			ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
-			goto err;
-		}
-	}
-	else /* NID_X9_62_characteristic_two_field */
-	{
-		if (!EC_POINT_get_affine_coordinates_GF2m(group,
-			point, X, NULL, ctx))
-		{
-			ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
-			goto err;
-		}
-	}
-	
-	if (!BN_nnmod(u1, X, order, ctx))
-	{
-		ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
-		goto err;
-	}
-	/*  if the signature is correct u1 is equal to sig->r */
-	ret = (BN_ucmp(u1, sig->r) == 0);
-err:
-	BN_CTX_end(ctx);
-	BN_CTX_free(ctx);
-	if (point)
-		EC_POINT_free(point);
-	return ret;
+    if (!BN_nnmod(u1, X, order, ctx)) {
+        ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
+        goto err;
+    }
+    /*  if the signature is correct u1 is equal to sig->r */
+    ret = (BN_ucmp(u1, sig->r) == 0);
+ err:
+    BN_CTX_end(ctx);
+    BN_CTX_free(ctx);
+    if (point)
+        EC_POINT_free(point);
+    return ret;
 }
diff --git a/Cryptlib/OpenSSL/crypto/ecdsa/ecs_sign.c b/Cryptlib/OpenSSL/crypto/ecdsa/ecs_sign.c
index 353d5af5..28652d45 100644
--- a/Cryptlib/OpenSSL/crypto/ecdsa/ecs_sign.c
+++ b/Cryptlib/OpenSSL/crypto/ecdsa/ecs_sign.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
@@ -55,52 +55,52 @@
 
 #include "ecs_locl.h"
 #ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
+# include <openssl/engine.h>
 #endif
 #include <openssl/rand.h>
 
 ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
 {
-	return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
+    return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
 }
 
 ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen,
-	const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey)
+                            const BIGNUM *kinv, const BIGNUM *rp,
+                            EC_KEY *eckey)
 {
-	ECDSA_DATA *ecdsa = ecdsa_check(eckey);
-	if (ecdsa == NULL)
-		return NULL;
-	return ecdsa->meth->ecdsa_do_sign(dgst, dlen, kinv, rp, eckey);
+    ECDSA_DATA *ecdsa = ecdsa_check(eckey);
+    if (ecdsa == NULL)
+        return NULL;
+    return ecdsa->meth->ecdsa_do_sign(dgst, dlen, kinv, rp, eckey);
 }
 
-int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char 
-		*sig, unsigned int *siglen, EC_KEY *eckey)
+int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char
+               *sig, unsigned int *siglen, EC_KEY *eckey)
 {
-	return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey);
+    return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey);
 }
 
-int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, unsigned char 
-	*sig, unsigned int *siglen, const BIGNUM *kinv, const BIGNUM *r, 
-	EC_KEY *eckey)
+int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, unsigned char
+                  *sig, unsigned int *siglen, const BIGNUM *kinv,
+                  const BIGNUM *r, EC_KEY *eckey)
 {
-	ECDSA_SIG *s;
-	RAND_seed(dgst, dlen);
-	s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey);
-	if (s == NULL)
-	{
-		*siglen=0;
-		return 0;
-	}
-	*siglen = i2d_ECDSA_SIG(s, &sig);
-	ECDSA_SIG_free(s);
-	return 1;
+    ECDSA_SIG *s;
+    RAND_seed(dgst, dlen);
+    s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey);
+    if (s == NULL) {
+        *siglen = 0;
+        return 0;
+    }
+    *siglen = i2d_ECDSA_SIG(s, &sig);
+    ECDSA_SIG_free(s);
+    return 1;
 }
 
-int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp, 
-		BIGNUM **rp)
+int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
+                     BIGNUM **rp)
 {
-	ECDSA_DATA *ecdsa = ecdsa_check(eckey);
-	if (ecdsa == NULL)
-		return 0;
-	return ecdsa->meth->ecdsa_sign_setup(eckey, ctx_in, kinvp, rp); 
+    ECDSA_DATA *ecdsa = ecdsa_check(eckey);
+    if (ecdsa == NULL)
+        return 0;
+    return ecdsa->meth->ecdsa_sign_setup(eckey, ctx_in, kinvp, rp);
 }
diff --git a/Cryptlib/OpenSSL/crypto/ecdsa/ecs_vrf.c b/Cryptlib/OpenSSL/crypto/ecdsa/ecs_vrf.c
index ef9acf7b..e909aeb4 100644
--- a/Cryptlib/OpenSSL/crypto/ecdsa/ecs_vrf.c
+++ b/Cryptlib/OpenSSL/crypto/ecdsa/ecs_vrf.c
@@ -10,7 +10,7 @@
  * 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
@@ -57,40 +57,56 @@
  */
 
 #include "ecs_locl.h"
+#include <string.h>
 #ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
+# include <openssl/engine.h>
 #endif
 
-/* returns
+/*-
+ * returns
  *      1: correct signature
  *      0: incorrect signature
  *     -1: error
  */
-int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, 
-		const ECDSA_SIG *sig, EC_KEY *eckey)
-	{
-	ECDSA_DATA *ecdsa = ecdsa_check(eckey);
-	if (ecdsa == NULL)
-		return 0;
-	return ecdsa->meth->ecdsa_do_verify(dgst, dgst_len, sig, eckey);
-	}
+int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
+                    const ECDSA_SIG *sig, EC_KEY *eckey)
+{
+    ECDSA_DATA *ecdsa = ecdsa_check(eckey);
+    if (ecdsa == NULL)
+        return 0;
+    return ecdsa->meth->ecdsa_do_verify(dgst, dgst_len, sig, eckey);
+}
 
-/* returns
+/*-
+ * returns
  *      1: correct signature
  *      0: incorrect signature
  *     -1: error
  */
 int ECDSA_verify(int type, const unsigned char *dgst, int dgst_len,
-		const unsigned char *sigbuf, int sig_len, EC_KEY *eckey)
- 	{
-	ECDSA_SIG *s;
-	int ret=-1;
+                 const unsigned char *sigbuf, int sig_len, EC_KEY *eckey)
+{
+    ECDSA_SIG *s;
+    const unsigned char *p = sigbuf;
+    unsigned char *der = NULL;
+    int derlen = -1;
+    int ret = -1;
 
-	s = ECDSA_SIG_new();
-	if (s == NULL) return(ret);
-	if (d2i_ECDSA_SIG(&s, &sigbuf, sig_len) == NULL) goto err;
-	ret=ECDSA_do_verify(dgst, dgst_len, s, eckey);
-err:
-	ECDSA_SIG_free(s);
-	return(ret);
-	}
+    s = ECDSA_SIG_new();
+    if (s == NULL)
+        return (ret);
+    if (d2i_ECDSA_SIG(&s, &p, sig_len) == NULL)
+        goto err;
+    /* Ensure signature uses DER and doesn't have trailing garbage */
+    derlen = i2d_ECDSA_SIG(s, &der);
+    if (derlen != sig_len || memcmp(sigbuf, der, derlen))
+        goto err;
+    ret = ECDSA_do_verify(dgst, dgst_len, s, eckey);
+ err:
+    if (derlen > 0) {
+        OPENSSL_cleanse(der, derlen);
+        OPENSSL_free(der);
+    }
+    ECDSA_SIG_free(s);
+    return (ret);
+}