Backport from HEAD:

New option to disable characteristic two fields in EC code.

Make no-ec2m work on Win32 build.

11 files changed, 71 insertions, 23 deletions

diff --git a/crypto/ec/ec.h b/crypto/ec/ec.h
index c95285e597..64d0a2948d 100644
--- a/crypto/ec/ec.h
+++ b/crypto/ec/ec.h
@@ -158,7 +158,7 @@ const EC_METHOD *EC_GFp_nist_method(void);
 const EC_METHOD *EC_GFp_nistp224_method(void);
 #endif
 
-
+#ifndef OPENSSL_NO_EC2M
 /********************************************************************/ 
 /*           EC_METHOD for curves over GF(2^m)                      */
 /********************************************************************/
@@ -168,6 +168,8 @@ const EC_METHOD *EC_GFp_nistp224_method(void);
  */
 const EC_METHOD *EC_GF2m_simple_method(void);
 
+#endif
+
 
 /********************************************************************/
 /*                   EC_GROUP functions                             */
@@ -289,6 +291,7 @@ int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, co
  */
 int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *ctx);
 
+#ifndef OPENSSL_NO_EC2M
 /** Sets the parameter of a ec over GF2m defined by y^2 + x*y = x^3 + a*x^2 + b
  *  \param  group  EC_GROUP object
  *  \param  p      BIGNUM with the polynomial defining the underlying field
@@ -308,7 +311,7 @@ int EC_GROUP_set_curve_GF2m(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, c
  *  \return 1 on success and 0 if an error occured
  */
 int EC_GROUP_get_curve_GF2m(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *ctx);
-
+#endif
 /** Returns the number of bits needed to represent a field element 
  *  \param  group  EC_GROUP object
  *  \return number of bits needed to represent a field element
@@ -349,7 +352,7 @@ int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx);
  *  \return newly created EC_GROUP object with the specified parameters
  */
 EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx);
-
+#ifndef OPENSSL_NO_EC2M
 /** Creates a new EC_GROUP object with the specified parameters defined
  *  over GF2m (defined by the equation y^2 + x*y = x^3 + a*x^2 + b)
  *  \param  p    BIGNUM with the polynomial defining the underlying field
@@ -359,7 +362,7 @@ EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, const BIGNUM
  *  \return newly created EC_GROUP object with the specified parameters
  */
 EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx);
-
+#endif
 /** Creates a EC_GROUP object with a curve specified by a NID
  *  \param  nid  NID of the OID of the curve name
  *  \return newly created EC_GROUP object with specified curve or NULL
@@ -488,7 +491,7 @@ int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group,
  */
 int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group, EC_POINT *p,
 	const BIGNUM *x, int y_bit, BN_CTX *ctx);
-
+#ifndef OPENSSL_NO_EC2M
 /** Sets the affine coordinates of a EC_POINT over GF2m
  *  \param  group  underlying EC_GROUP object
  *  \param  p      EC_POINT object
@@ -521,7 +524,7 @@ int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group,
  */
 int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group, EC_POINT *p,
 	const BIGNUM *x, int y_bit, BN_CTX *ctx);
-
+#endif
 /** Encodes a EC_POINT object to a octet string
  *  \param  group  underlying EC_GROUP object
  *  \param  p      EC_POINT object
@@ -660,9 +663,11 @@ int EC_GROUP_have_precompute_mult(const EC_GROUP *group);
 /* EC_GROUP_get_basis_type() returns the NID of the basis type
  * used to represent the field elements */
 int EC_GROUP_get_basis_type(const EC_GROUP *);
+#ifndef OPENSSL_NO_EC2M
 int EC_GROUP_get_trinomial_basis(const EC_GROUP *, unsigned int *k);
 int EC_GROUP_get_pentanomial_basis(const EC_GROUP *, unsigned int *k1, 
 	unsigned int *k2, unsigned int *k3);
+#endif
 
 #define OPENSSL_EC_NAMED_CURVE	0x001
 
@@ -1082,6 +1087,7 @@ void ERR_load_EC_strings(void);
 #define EC_R_DISCRIMINANT_IS_ZERO			 118
 #define EC_R_EC_GROUP_NEW_BY_NAME_FAILURE		 119
 #define EC_R_FIELD_TOO_LARGE				 143
+#define EC_R_GF2M_NOT_SUPPORTED				 147
 #define EC_R_GROUP2PKPARAMETERS_FAILURE			 120
 #define EC_R_I2D_ECPKPARAMETERS_FAILURE			 121
 #define EC_R_INCOMPATIBLE_OBJECTS			 101
diff --git a/crypto/ec/ec2_mult.c b/crypto/ec/ec2_mult.c
index e12b9b284a..26f4a783fc 100644
--- a/crypto/ec/ec2_mult.c
+++ b/crypto/ec/ec2_mult.c
@@ -71,6 +71,8 @@
 
 #include "ec_lcl.h"
 
+#ifndef OPENSSL_NO_EC2M
+
 
 /* Compute the x-coordinate x/z for the point 2*(x/z) in Montgomery projective 
  * coordinates.
@@ -384,3 +386,5 @@ int ec_GF2m_have_precompute_mult(const EC_GROUP *group)
 	{
 	return ec_wNAF_have_precompute_mult(group);
  	}
+
+#endif
diff --git a/crypto/ec/ec2_smpl.c b/crypto/ec/ec2_smpl.c
index af94458ca7..a379c9b450 100644
--- a/crypto/ec/ec2_smpl.c
+++ b/crypto/ec/ec2_smpl.c
@@ -71,6 +71,8 @@
 
 #include "ec_lcl.h"
 
+#ifndef OPENSSL_NO_EC2M
+
 
 const EC_METHOD *EC_GF2m_simple_method(void)
 	{
@@ -1040,3 +1042,5 @@ int ec_GF2m_simple_field_div(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a,
 	{
 	return BN_GF2m_mod_div(r, a, b, &group->field, ctx);
 	}
+
+#endif
diff --git a/crypto/ec/ec_asn1.c b/crypto/ec/ec_asn1.c
index ae55539859..175eec5342 100644
--- a/crypto/ec/ec_asn1.c
+++ b/crypto/ec/ec_asn1.c
@@ -83,7 +83,7 @@ int EC_GROUP_get_basis_type(const EC_GROUP *group)
 		/* everything else is currently not supported */
 		return 0;
 	}
-
+#ifndef OPENSSL_NO_EC2M
 int EC_GROUP_get_trinomial_basis(const EC_GROUP *group, unsigned int *k)
 	{
 	if (group == NULL)
@@ -101,7 +101,6 @@ int EC_GROUP_get_trinomial_basis(const EC_GROUP *group, unsigned int *k)
 
 	return 1;
 	}
-
 int EC_GROUP_get_pentanomial_basis(const EC_GROUP *group, unsigned int *k1,
 	unsigned int *k2, unsigned int *k3)
 	{
@@ -124,7 +123,7 @@ int EC_GROUP_get_pentanomial_basis(const EC_GROUP *group, unsigned int *k1,
 
 	return 1;
 	}
-
+#endif
 
 
 /* some structures needed for the asn1 encoding */
@@ -340,6 +339,12 @@ static int ec_asn1_group2fieldid(const EC_GROUP *group, X9_62_FIELDID *field)
 			}
 		}
 	else	/* nid == NID_X9_62_characteristic_two_field */
+#ifdef OPENSSL_NO_EC2M
+		{
+		ECerr(EC_F_EC_ASN1_GROUP2FIELDID, EC_R_GF2M_NOT_SUPPORTED);
+		goto err;
+		}
+#else
 		{
 		int		field_type;
 		X9_62_CHARACTERISTIC_TWO *char_two;
@@ -419,6 +424,7 @@ static int ec_asn1_group2fieldid(const EC_GROUP *group, X9_62_FIELDID *field)
 				}
 			}
 		}
+#endif
 
 	ok = 1;
 
@@ -456,6 +462,7 @@ static int ec_asn1_group2curve(const EC_GROUP *group, X9_62_CURVE *curve)
 			goto err;
 			}
 		}
+#ifndef OPENSSL_NO_EC2M
 	else	/* nid == NID_X9_62_characteristic_two_field */
 		{
 		if (!EC_GROUP_get_curve_GF2m(group, NULL, tmp_1, tmp_2, NULL))
@@ -464,7 +471,7 @@ static int ec_asn1_group2curve(const EC_GROUP *group, X9_62_CURVE *curve)
 			goto err;
 			}
 		}
-
+#endif
 	len_1 = (size_t)BN_num_bytes(tmp_1);
 	len_2 = (size_t)BN_num_bytes(tmp_2);
 
@@ -775,8 +782,13 @@ static EC_GROUP *ec_asn1_parameters2group(const ECPARAMETERS *params)
 
 	/* get the field parameters */
 	tmp = OBJ_obj2nid(params->fieldID->fieldType);
-
 	if (tmp == NID_X9_62_characteristic_two_field)
+#ifdef OPENSSL_NO_EC2M
+		{
+		ECerr(EC_F_EC_ASN1_PARAMETERS2GROUP, EC_R_GF2M_NOT_SUPPORTED);
+		goto err;
+		}
+#else
 		{
 		X9_62_CHARACTERISTIC_TWO *char_two;
 
@@ -862,6 +874,7 @@ static EC_GROUP *ec_asn1_parameters2group(const ECPARAMETERS *params)
 		/* create the EC_GROUP structure */
 		ret = EC_GROUP_new_curve_GF2m(p, a, b, NULL);
 		}
+#endif
 	else if (tmp == NID_X9_62_prime_field)
 		{
 		/* we have a curve over a prime field */
@@ -1065,6 +1078,7 @@ EC_GROUP *d2i_ECPKParameters(EC_GROUP **a, const unsigned char **in, long len)
 	if ((group = ec_asn1_pkparameters2group(params)) == NULL)
 		{
 		ECerr(EC_F_D2I_ECPKPARAMETERS, EC_R_PKPARAMETERS2GROUP_FAILURE);
+		ECPKPARAMETERS_free(params);
 		return NULL; 
 		}
 
diff --git a/crypto/ec/ec_curve.c b/crypto/ec/ec_curve.c
index 56a44d0e9e..85cd3b6b3d 100644
--- a/crypto/ec/ec_curve.c
+++ b/crypto/ec/ec_curve.c
@@ -703,6 +703,8 @@ static const struct { EC_CURVE_DATA h; unsigned char data[0+28*6]; }
 	  0x13,0xDD,0x29,0x45,0x5C,0x5C,0x2A,0x3D }
 	};
 
+#ifndef OPENSSL_NO_EC2M
+
 /* characteristic two curves */
 static const struct { EC_CURVE_DATA h; unsigned char data[20+15*6]; }
 	_EC_SECG_CHAR2_113R1 = {
@@ -1817,6 +1819,8 @@ static const struct { EC_CURVE_DATA h; unsigned char data[0+24*6]; }
 	  0xBA,0xFC,0xA7,0x5E }
 	};
 
+#endif
+
 typedef struct _ec_list_element_st {
 	int	nid;
 	const EC_CURVE_DATA *data;
@@ -1855,6 +1859,7 @@ static const ec_list_element curve_list[] = {
 	{ NID_X9_62_prime239v2, &_EC_X9_62_PRIME_239V2.h, 0, "X9.62 curve over a 239 bit prime field" },
 	{ NID_X9_62_prime239v3, &_EC_X9_62_PRIME_239V3.h, 0, "X9.62 curve over a 239 bit prime field" },
 	{ NID_X9_62_prime256v1, &_EC_X9_62_PRIME_256V1.h, 0, "X9.62/SECG curve over a 256 bit prime field" },
+#ifndef OPENSSL_NO_EC2M
 	/* characteristic two field curves */
 	/* NIST/SECG curves */
 	{ NID_sect113r1, &_EC_SECG_CHAR2_113R1.h, 0, "SECG curve over a 113 bit binary field" },
@@ -1898,18 +1903,23 @@ static const ec_list_element curve_list[] = {
 	{ NID_wap_wsg_idm_ecid_wtls3, &_EC_NIST_CHAR2_163K.h, 0, "NIST/SECG/WTLS curve over a 163 bit binary field" },
 	{ NID_wap_wsg_idm_ecid_wtls4, &_EC_SECG_CHAR2_113R1.h, 0, "SECG curve over a 113 bit binary field" },
 	{ NID_wap_wsg_idm_ecid_wtls5, &_EC_X9_62_CHAR2_163V1.h, 0, "X9.62 curve over a 163 bit binary field" },
+#endif
 	{ NID_wap_wsg_idm_ecid_wtls6, &_EC_SECG_PRIME_112R1.h, 0, "SECG/WTLS curve over a 112 bit prime field" },
 	{ NID_wap_wsg_idm_ecid_wtls7, &_EC_SECG_PRIME_160R2.h, 0, "SECG/WTLS curve over a 160 bit prime field" },
 	{ NID_wap_wsg_idm_ecid_wtls8, &_EC_WTLS_8.h, 0, "WTLS curve over a 112 bit prime field" },
 	{ NID_wap_wsg_idm_ecid_wtls9, &_EC_WTLS_9.h, 0, "WTLS curve over a 160 bit prime field" },
+#ifndef OPENSSL_NO_EC2M
 	{ NID_wap_wsg_idm_ecid_wtls10, &_EC_NIST_CHAR2_233K.h, 0, "NIST/SECG/WTLS curve over a 233 bit binary field" },
 	{ NID_wap_wsg_idm_ecid_wtls11, &_EC_NIST_CHAR2_233B.h, 0, "NIST/SECG/WTLS curve over a 233 bit binary field" },
+#endif
 	{ NID_wap_wsg_idm_ecid_wtls12, &_EC_WTLS_12.h, 0, "WTLS curvs over a 224 bit prime field" },
+#ifndef OPENSSL_NO_EC2M
 	/* IPSec curves */
 	{ NID_ipsec3, &_EC_IPSEC_155_ID3.h, 0, "\n\tIPSec/IKE/Oakley curve #3 over a 155 bit binary field.\n"
 	  "\tNot suitable for ECDSA.\n\tQuestionable extension field!" },
 	{ NID_ipsec4, &_EC_IPSEC_185_ID4.h, 0, "\n\tIPSec/IKE/Oakley curve #4 over a 185 bit binary field.\n"
 	  "\tNot suitable for ECDSA.\n\tQuestionable extension field!" },
+#endif
 };
 
 #define curve_list_length (sizeof(curve_list)/sizeof(ec_list_element))
@@ -1964,6 +1974,7 @@ static EC_GROUP *ec_group_new_from_data(const ec_list_element curve)
 			goto err;
 			}
 		}
+#ifndef OPENSSL_NO_EC2M
 	else	/* field_type == NID_X9_62_characteristic_two_field */
 		{
 		if ((group = EC_GROUP_new_curve_GF2m(p, a, b, ctx)) == NULL)
@@ -1972,6 +1983,7 @@ static EC_GROUP *ec_group_new_from_data(const ec_list_element curve)
 			goto err;
 			}
 		}
+#endif
 
 	if ((P = EC_POINT_new(group)) == NULL)
 		{
@@ -1985,7 +1997,7 @@ static EC_GROUP *ec_group_new_from_data(const ec_list_element curve)
 		ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_BN_LIB);
 		goto err;
 		}
-	if (!EC_POINT_set_affine_coordinates_GF2m(group, P, x, y, ctx))
+	if (!EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx))
 		{
 		ECerr(EC_F_EC_GROUP_NEW_FROM_DATA, ERR_R_EC_LIB);
 		goto err;
diff --git a/crypto/ec/ec_cvt.c b/crypto/ec/ec_cvt.c
index d45640bab9..bbed1da455 100644
--- a/crypto/ec/ec_cvt.c
+++ b/crypto/ec/ec_cvt.c
@@ -122,7 +122,7 @@ EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, const BIGNUM
 	return ret;
 	}
 
-
+#ifndef OPENSSL_NO_EC2M
 EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
 	{
 	const EC_METHOD *meth;
@@ -142,3 +142,4 @@ EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, const BIGNUM
 
 	return ret;
 	}
+#endif
diff --git a/crypto/ec/ec_err.c b/crypto/ec/ec_err.c
index a05e44c031..15d539cbf4 100644
--- a/crypto/ec/ec_err.c
+++ b/crypto/ec/ec_err.c
@@ -213,6 +213,7 @@ static ERR_STRING_DATA EC_str_reasons[]=
 {ERR_REASON(EC_R_DISCRIMINANT_IS_ZERO)   ,"discriminant is zero"},
 {ERR_REASON(EC_R_EC_GROUP_NEW_BY_NAME_FAILURE),"ec group new by name failure"},
 {ERR_REASON(EC_R_FIELD_TOO_LARGE)        ,"field too large"},
+{ERR_REASON(EC_R_GF2M_NOT_SUPPORTED)     ,"gf2m not supported"},
 {ERR_REASON(EC_R_GROUP2PKPARAMETERS_FAILURE),"group2pkparameters failure"},
 {ERR_REASON(EC_R_I2D_ECPKPARAMETERS_FAILURE),"i2d ecpkparameters failure"},
 {ERR_REASON(EC_R_INCOMPATIBLE_OBJECTS)   ,"incompatible objects"},
diff --git a/crypto/ec/ec_key.c b/crypto/ec/ec_key.c
index a9e780da44..2e91b5405d 100644
--- a/crypto/ec/ec_key.c
+++ b/crypto/ec/ec_key.c
@@ -400,7 +400,7 @@ int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x, BIGNUM *y)
 
 	tx = BN_CTX_get(ctx);
 	ty = BN_CTX_get(ctx);
-
+#ifndef OPENSSL_NO_EC2M
 	if (is_char_two)
 		{
 		if (!EC_POINT_set_affine_coordinates_GF2m(key->group, point,
@@ -411,6 +411,7 @@ int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x, BIGNUM *y)
 			goto err;
 		}
 	else
+#endif
 		{
 		if (!EC_POINT_set_affine_coordinates_GFp(key->group, point,
 								x, y, ctx))
diff --git a/crypto/ec/ec_lib.c b/crypto/ec/ec_lib.c
index dd7da0fcf9..e0f0afcdf8 100644
--- a/crypto/ec/ec_lib.c
+++ b/crypto/ec/ec_lib.c
@@ -425,7 +425,7 @@ int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM *
 	return group->meth->group_get_curve(group, p, a, b, ctx);
 	}
 
-
+#ifndef OPENSSL_NO_EC2M
 int EC_GROUP_set_curve_GF2m(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
 	{
 	if (group->meth->group_set_curve == 0)
@@ -446,7 +446,7 @@ int EC_GROUP_get_curve_GF2m(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM
 		}
 	return group->meth->group_get_curve(group, p, a, b, ctx);
 	}
-
+#endif
 
 int EC_GROUP_get_degree(const EC_GROUP *group)
 	{
@@ -856,7 +856,7 @@ int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *point,
 	return group->meth->point_set_affine_coordinates(group, point, x, y, ctx);
 	}
 
-
+#ifndef OPENSSL_NO_EC2M
 int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group, EC_POINT *point,
 	const BIGNUM *x, const BIGNUM *y, BN_CTX *ctx)
 	{
@@ -872,7 +872,7 @@ int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group, EC_POINT *point,
 		}
 	return group->meth->point_set_affine_coordinates(group, point, x, y, ctx);
 	}
-
+#endif
 
 int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group, const EC_POINT *point,
 	BIGNUM *x, BIGNUM *y, BN_CTX *ctx)
@@ -890,7 +890,7 @@ int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group, const EC_POINT *p
 	return group->meth->point_get_affine_coordinates(group, point, x, y, ctx);
 	}
 
-
+#ifndef OPENSSL_NO_EC2M
 int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group, const EC_POINT *point,
 	BIGNUM *x, BIGNUM *y, BN_CTX *ctx)
 	{
@@ -906,7 +906,7 @@ int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group, const EC_POINT *
 		}
 	return group->meth->point_get_affine_coordinates(group, point, x, y, ctx);
 	}
-
+#endif
 
 int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group, EC_POINT *point,
 	const BIGNUM *x, int y_bit, BN_CTX *ctx)
@@ -924,7 +924,7 @@ int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group, EC_POINT *poi
 	return group->meth->point_set_compressed_coordinates(group, point, x, y_bit, ctx);
 	}
 
-
+#ifndef OPENSSL_NO_EC2M
 int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group, EC_POINT *point,
 	const BIGNUM *x, int y_bit, BN_CTX *ctx)
 	{
@@ -940,7 +940,7 @@ int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group, EC_POINT *po
 		}
 	return group->meth->point_set_compressed_coordinates(group, point, x, y_bit, ctx);
 	}
-
+#endif
 
 size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *point, point_conversion_form_t form,
         unsigned char *buf, size_t len, BN_CTX *ctx)
diff --git a/crypto/ec/eck_prn.c b/crypto/ec/eck_prn.c
index 7d3e175ae7..06de8f3959 100644
--- a/crypto/ec/eck_prn.c
+++ b/crypto/ec/eck_prn.c
@@ -207,7 +207,7 @@ int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off)
 			reason = ERR_R_MALLOC_FAILURE;
 			goto err;
 			}
-
+#ifndef OPENSSL_NO_EC2M
 		if (is_char_two)
 			{
 			if (!EC_GROUP_get_curve_GF2m(x, p, a, b, ctx))
@@ -217,6 +217,7 @@ int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off)
 				}
 			}
 		else /* prime field */
+#endif
 			{
 			if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx))
 				{
diff --git a/crypto/ec/ectest.c b/crypto/ec/ectest.c
index 834d54ab59..9018e93449 100644
--- a/crypto/ec/ectest.c
+++ b/crypto/ec/ectest.c
@@ -776,6 +776,7 @@ static void prime_field_tests()
 	if (!(_variable = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT; \
 	if (!EC_GROUP_copy(_variable, group)) ABORT; \
 
+#ifndef OPENSSL_NO_EC2M
 
 static void char2_field_tests()
 	{	
@@ -1210,6 +1211,7 @@ static void char2_field_tests()
 	if (C2_B571) EC_GROUP_free(C2_B571);
 
 	}
+#endif
 
 static void internal_curve_test(void)
 	{
@@ -1391,7 +1393,9 @@ int main(int argc, char *argv[])
 
 	prime_field_tests();
 	puts("");
+#ifndef OPENSSL_NO_EC2M
 	char2_field_tests();
+#endif
 #ifdef EC_NISTP224_64_GCC_128
 	nistp224_test();
 #endif