Fix crypto/ec/ec_mult.c to work properly with scalars of value 0
[openssl.git] / crypto / ec / ec_err.c
index 770bce537371b9c410bd7e5fe9ebe3d36b38a137..84b4833371ada24f1edc7209dd1b2285eae59d6c 100644 (file)
@@ -1,6 +1,6 @@
 /* crypto/ec/ec_err.c */
 /* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1999-2007 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
 
 /* BEGIN ERROR CODES */
 #ifndef OPENSSL_NO_ERR
+
+#define ERR_FUNC(func) ERR_PACK(ERR_LIB_EC,func,0)
+#define ERR_REASON(reason) ERR_PACK(ERR_LIB_EC,0,reason)
+
 static ERR_STRING_DATA EC_str_functs[]=
        {
-{ERR_PACK(0,EC_F_EC_GFP_SIMPLE_GROUP_SET_GENERATOR,0), "EC_GFP_SIMPLE_GROUP_SET_GENERATOR"},
-{ERR_PACK(0,EC_F_EC_GROUP_CLEAR_FREE,0),       "EC_GROUP_clear_free"},
-{ERR_PACK(0,EC_F_EC_GROUP_COPY,0),     "EC_GROUP_copy"},
-{ERR_PACK(0,EC_F_EC_GROUP_FREE,0),     "EC_GROUP_free"},
-{ERR_PACK(0,EC_F_EC_GROUP_GET_EXTRA_DATA,0),   "EC_GROUP_GET_EXTRA_DATA"},
-{ERR_PACK(0,EC_F_EC_GROUP_NEW,0),      "EC_GROUP_new"},
-{ERR_PACK(0,EC_F_EC_GROUP_SET_CURVE_GFP,0),    "EC_GROUP_set_curve_GFp"},
-{ERR_PACK(0,EC_F_EC_GROUP_SET_EXTRA_DATA,0),   "EC_GROUP_SET_EXTRA_DATA"},
-{ERR_PACK(0,EC_F_EC_GROUP_SET_GENERATOR,0),    "EC_GROUP_set_generator"},
-{ERR_PACK(0,EC_F_EC_POINT_ADD,0),      "EC_POINT_add"},
-{ERR_PACK(0,EC_F_EC_POINT_COPY,0),     "EC_POINT_copy"},
-{ERR_PACK(0,EC_F_EC_POINT_DBL,0),      "EC_POINT_dbl"},
-{ERR_PACK(0,EC_F_EC_POINT_IS_AT_INFINITY,0),   "EC_POINT_is_at_infinity"},
-{ERR_PACK(0,EC_F_EC_POINT_IS_ON_CURVE,0),      "EC_POINT_is_on_curve"},
-{ERR_PACK(0,EC_F_EC_POINT_MAKE_AFFINE,0),      "EC_POINT_make_affine"},
-{ERR_PACK(0,EC_F_EC_POINT_NEW,0),      "EC_POINT_new"},
-{ERR_PACK(0,EC_F_EC_POINT_OCT2POINT,0),        "EC_POINT_oct2point"},
-{ERR_PACK(0,EC_F_EC_POINT_POINT2OCT,0),        "EC_POINT_point2oct"},
+{ERR_FUNC(EC_F_COMPUTE_WNAF),  "COMPUTE_WNAF"},
+{ERR_FUNC(EC_F_D2I_ECPARAMETERS),      "d2i_ECParameters"},
+{ERR_FUNC(EC_F_D2I_ECPKPARAMETERS),    "d2i_ECPKParameters"},
+{ERR_FUNC(EC_F_D2I_ECPRIVATEKEY),      "d2i_ECPrivateKey"},
+{ERR_FUNC(EC_F_DO_EC_KEY_PRINT),       "DO_EC_KEY_PRINT"},
+{ERR_FUNC(EC_F_ECKEY_PARAM2TYPE),      "ECKEY_PARAM2TYPE"},
+{ERR_FUNC(EC_F_ECKEY_PARAM_DECODE),    "ECKEY_PARAM_DECODE"},
+{ERR_FUNC(EC_F_ECKEY_PRIV_DECODE),     "ECKEY_PRIV_DECODE"},
+{ERR_FUNC(EC_F_ECKEY_PRIV_ENCODE),     "ECKEY_PRIV_ENCODE"},
+{ERR_FUNC(EC_F_ECKEY_PUB_DECODE),      "ECKEY_PUB_DECODE"},
+{ERR_FUNC(EC_F_ECKEY_PUB_ENCODE),      "ECKEY_PUB_ENCODE"},
+{ERR_FUNC(EC_F_ECKEY_TYPE2PARAM),      "ECKEY_TYPE2PARAM"},
+{ERR_FUNC(EC_F_ECPARAMETERS_PRINT),    "ECParameters_print"},
+{ERR_FUNC(EC_F_ECPARAMETERS_PRINT_FP), "ECParameters_print_fp"},
+{ERR_FUNC(EC_F_ECPKPARAMETERS_PRINT),  "ECPKParameters_print"},
+{ERR_FUNC(EC_F_ECPKPARAMETERS_PRINT_FP),       "ECPKParameters_print_fp"},
+{ERR_FUNC(EC_F_ECP_NIST_MOD_192),      "ECP_NIST_MOD_192"},
+{ERR_FUNC(EC_F_ECP_NIST_MOD_224),      "ECP_NIST_MOD_224"},
+{ERR_FUNC(EC_F_ECP_NIST_MOD_256),      "ECP_NIST_MOD_256"},
+{ERR_FUNC(EC_F_ECP_NIST_MOD_521),      "ECP_NIST_MOD_521"},
+{ERR_FUNC(EC_F_EC_ASN1_GROUP2CURVE),   "EC_ASN1_GROUP2CURVE"},
+{ERR_FUNC(EC_F_EC_ASN1_GROUP2FIELDID), "EC_ASN1_GROUP2FIELDID"},
+{ERR_FUNC(EC_F_EC_ASN1_GROUP2PARAMETERS),      "EC_ASN1_GROUP2PARAMETERS"},
+{ERR_FUNC(EC_F_EC_ASN1_GROUP2PKPARAMETERS),    "EC_ASN1_GROUP2PKPARAMETERS"},
+{ERR_FUNC(EC_F_EC_ASN1_PARAMETERS2GROUP),      "EC_ASN1_PARAMETERS2GROUP"},
+{ERR_FUNC(EC_F_EC_ASN1_PKPARAMETERS2GROUP),    "EC_ASN1_PKPARAMETERS2GROUP"},
+{ERR_FUNC(EC_F_EC_EX_DATA_SET_DATA),   "EC_EX_DATA_set_data"},
+{ERR_FUNC(EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY),     "EC_GF2M_MONTGOMERY_POINT_MULTIPLY"},
+{ERR_FUNC(EC_F_EC_GF2M_SIMPLE_GROUP_CHECK_DISCRIMINANT),       "ec_GF2m_simple_group_check_discriminant"},
+{ERR_FUNC(EC_F_EC_GF2M_SIMPLE_GROUP_SET_CURVE),        "ec_GF2m_simple_group_set_curve"},
+{ERR_FUNC(EC_F_EC_GF2M_SIMPLE_OCT2POINT),      "ec_GF2m_simple_oct2point"},
+{ERR_FUNC(EC_F_EC_GF2M_SIMPLE_POINT2OCT),      "ec_GF2m_simple_point2oct"},
+{ERR_FUNC(EC_F_EC_GF2M_SIMPLE_POINT_GET_AFFINE_COORDINATES),   "ec_GF2m_simple_point_get_affine_coordinates"},
+{ERR_FUNC(EC_F_EC_GF2M_SIMPLE_POINT_SET_AFFINE_COORDINATES),   "ec_GF2m_simple_point_set_affine_coordinates"},
+{ERR_FUNC(EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES),     "ec_GF2m_simple_set_compressed_coordinates"},
+{ERR_FUNC(EC_F_EC_GFP_MONT_FIELD_DECODE),      "ec_GFp_mont_field_decode"},
+{ERR_FUNC(EC_F_EC_GFP_MONT_FIELD_ENCODE),      "ec_GFp_mont_field_encode"},
+{ERR_FUNC(EC_F_EC_GFP_MONT_FIELD_MUL), "ec_GFp_mont_field_mul"},
+{ERR_FUNC(EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE),  "ec_GFp_mont_field_set_to_one"},
+{ERR_FUNC(EC_F_EC_GFP_MONT_FIELD_SQR), "ec_GFp_mont_field_sqr"},
+{ERR_FUNC(EC_F_EC_GFP_MONT_GROUP_SET_CURVE),   "ec_GFp_mont_group_set_curve"},
+{ERR_FUNC(EC_F_EC_GFP_MONT_GROUP_SET_CURVE_GFP),       "EC_GFP_MONT_GROUP_SET_CURVE_GFP"},
+{ERR_FUNC(EC_F_EC_GFP_NIST_FIELD_MUL), "ec_GFp_nist_field_mul"},
+{ERR_FUNC(EC_F_EC_GFP_NIST_FIELD_SQR), "ec_GFp_nist_field_sqr"},
+{ERR_FUNC(EC_F_EC_GFP_NIST_GROUP_SET_CURVE),   "ec_GFp_nist_group_set_curve"},
+{ERR_FUNC(EC_F_EC_GFP_SIMPLE_GROUP_CHECK_DISCRIMINANT),        "ec_GFp_simple_group_check_discriminant"},
+{ERR_FUNC(EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE), "ec_GFp_simple_group_set_curve"},
+{ERR_FUNC(EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE_GFP),     "EC_GFP_SIMPLE_GROUP_SET_CURVE_GFP"},
+{ERR_FUNC(EC_F_EC_GFP_SIMPLE_GROUP_SET_GENERATOR),     "EC_GFP_SIMPLE_GROUP_SET_GENERATOR"},
+{ERR_FUNC(EC_F_EC_GFP_SIMPLE_MAKE_AFFINE),     "ec_GFp_simple_make_affine"},
+{ERR_FUNC(EC_F_EC_GFP_SIMPLE_OCT2POINT),       "ec_GFp_simple_oct2point"},
+{ERR_FUNC(EC_F_EC_GFP_SIMPLE_POINT2OCT),       "ec_GFp_simple_point2oct"},
+{ERR_FUNC(EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE),      "ec_GFp_simple_points_make_affine"},
+{ERR_FUNC(EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES),    "ec_GFp_simple_point_get_affine_coordinates"},
+{ERR_FUNC(EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES_GFP),        "EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES_GFP"},
+{ERR_FUNC(EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES),    "ec_GFp_simple_point_set_affine_coordinates"},
+{ERR_FUNC(EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP),        "EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP"},
+{ERR_FUNC(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES),      "ec_GFp_simple_set_compressed_coordinates"},
+{ERR_FUNC(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP),  "EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP"},
+{ERR_FUNC(EC_F_EC_GROUP_CHECK),        "EC_GROUP_check"},
+{ERR_FUNC(EC_F_EC_GROUP_CHECK_DISCRIMINANT),   "EC_GROUP_check_discriminant"},
+{ERR_FUNC(EC_F_EC_GROUP_COPY), "EC_GROUP_copy"},
+{ERR_FUNC(EC_F_EC_GROUP_GET0_GENERATOR),       "EC_GROUP_get0_generator"},
+{ERR_FUNC(EC_F_EC_GROUP_GET_COFACTOR), "EC_GROUP_get_cofactor"},
+{ERR_FUNC(EC_F_EC_GROUP_GET_CURVE_GF2M),       "EC_GROUP_get_curve_GF2m"},
+{ERR_FUNC(EC_F_EC_GROUP_GET_CURVE_GFP),        "EC_GROUP_get_curve_GFp"},
+{ERR_FUNC(EC_F_EC_GROUP_GET_DEGREE),   "EC_GROUP_get_degree"},
+{ERR_FUNC(EC_F_EC_GROUP_GET_ORDER),    "EC_GROUP_get_order"},
+{ERR_FUNC(EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS),        "EC_GROUP_get_pentanomial_basis"},
+{ERR_FUNC(EC_F_EC_GROUP_GET_TRINOMIAL_BASIS),  "EC_GROUP_get_trinomial_basis"},
+{ERR_FUNC(EC_F_EC_GROUP_NEW),  "EC_GROUP_new"},
+{ERR_FUNC(EC_F_EC_GROUP_NEW_BY_CURVE_NAME),    "EC_GROUP_new_by_curve_name"},
+{ERR_FUNC(EC_F_EC_GROUP_NEW_FROM_DATA),        "EC_GROUP_NEW_FROM_DATA"},
+{ERR_FUNC(EC_F_EC_GROUP_PRECOMPUTE_MULT),      "EC_GROUP_precompute_mult"},
+{ERR_FUNC(EC_F_EC_GROUP_SET_CURVE_GF2M),       "EC_GROUP_set_curve_GF2m"},
+{ERR_FUNC(EC_F_EC_GROUP_SET_CURVE_GFP),        "EC_GROUP_set_curve_GFp"},
+{ERR_FUNC(EC_F_EC_GROUP_SET_EXTRA_DATA),       "EC_GROUP_SET_EXTRA_DATA"},
+{ERR_FUNC(EC_F_EC_GROUP_SET_GENERATOR),        "EC_GROUP_set_generator"},
+{ERR_FUNC(EC_F_EC_KEY_CHECK_KEY),      "EC_KEY_check_key"},
+{ERR_FUNC(EC_F_EC_KEY_COPY),   "EC_KEY_copy"},
+{ERR_FUNC(EC_F_EC_KEY_GENERATE_KEY),   "EC_KEY_generate_key"},
+{ERR_FUNC(EC_F_EC_KEY_NEW),    "EC_KEY_new"},
+{ERR_FUNC(EC_F_EC_KEY_PRINT),  "EC_KEY_print"},
+{ERR_FUNC(EC_F_EC_KEY_PRINT_FP),       "EC_KEY_print_fp"},
+{ERR_FUNC(EC_F_EC_POINTS_MAKE_AFFINE), "EC_POINTs_make_affine"},
+{ERR_FUNC(EC_F_EC_POINT_ADD),  "EC_POINT_add"},
+{ERR_FUNC(EC_F_EC_POINT_CMP),  "EC_POINT_cmp"},
+{ERR_FUNC(EC_F_EC_POINT_COPY), "EC_POINT_copy"},
+{ERR_FUNC(EC_F_EC_POINT_DBL),  "EC_POINT_dbl"},
+{ERR_FUNC(EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M),  "EC_POINT_get_affine_coordinates_GF2m"},
+{ERR_FUNC(EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP),   "EC_POINT_get_affine_coordinates_GFp"},
+{ERR_FUNC(EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP),      "EC_POINT_get_Jprojective_coordinates_GFp"},
+{ERR_FUNC(EC_F_EC_POINT_INVERT),       "EC_POINT_invert"},
+{ERR_FUNC(EC_F_EC_POINT_IS_AT_INFINITY),       "EC_POINT_is_at_infinity"},
+{ERR_FUNC(EC_F_EC_POINT_IS_ON_CURVE),  "EC_POINT_is_on_curve"},
+{ERR_FUNC(EC_F_EC_POINT_MAKE_AFFINE),  "EC_POINT_make_affine"},
+{ERR_FUNC(EC_F_EC_POINT_MUL),  "EC_POINT_mul"},
+{ERR_FUNC(EC_F_EC_POINT_NEW),  "EC_POINT_new"},
+{ERR_FUNC(EC_F_EC_POINT_OCT2POINT),    "EC_POINT_oct2point"},
+{ERR_FUNC(EC_F_EC_POINT_POINT2OCT),    "EC_POINT_point2oct"},
+{ERR_FUNC(EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M),  "EC_POINT_set_affine_coordinates_GF2m"},
+{ERR_FUNC(EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP),   "EC_POINT_set_affine_coordinates_GFp"},
+{ERR_FUNC(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M),      "EC_POINT_set_compressed_coordinates_GF2m"},
+{ERR_FUNC(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP),       "EC_POINT_set_compressed_coordinates_GFp"},
+{ERR_FUNC(EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP),      "EC_POINT_set_Jprojective_coordinates_GFp"},
+{ERR_FUNC(EC_F_EC_POINT_SET_TO_INFINITY),      "EC_POINT_set_to_infinity"},
+{ERR_FUNC(EC_F_EC_PRE_COMP_DUP),       "EC_PRE_COMP_DUP"},
+{ERR_FUNC(EC_F_EC_PRE_COMP_NEW),       "EC_PRE_COMP_NEW"},
+{ERR_FUNC(EC_F_EC_WNAF_MUL),   "ec_wNAF_mul"},
+{ERR_FUNC(EC_F_EC_WNAF_PRECOMPUTE_MULT),       "ec_wNAF_precompute_mult"},
+{ERR_FUNC(EC_F_I2D_ECPARAMETERS),      "i2d_ECParameters"},
+{ERR_FUNC(EC_F_I2D_ECPKPARAMETERS),    "i2d_ECPKParameters"},
+{ERR_FUNC(EC_F_I2D_ECPRIVATEKEY),      "i2d_ECPrivateKey"},
+{ERR_FUNC(EC_F_I2O_ECPUBLICKEY),       "i2o_ECPublicKey"},
+{ERR_FUNC(EC_F_O2I_ECPUBLICKEY),       "o2i_ECPublicKey"},
+{ERR_FUNC(EC_F_OLD_EC_PRIV_DECODE),    "OLD_EC_PRIV_DECODE"},
+{ERR_FUNC(EC_F_PKEY_EC_CTRL),  "PKEY_EC_CTRL"},
+{ERR_FUNC(EC_F_PKEY_EC_CTRL_STR),      "PKEY_EC_CTRL_STR"},
+{ERR_FUNC(EC_F_PKEY_EC_DERIVE),        "PKEY_EC_DERIVE"},
+{ERR_FUNC(EC_F_PKEY_EC_KEYGEN),        "PKEY_EC_KEYGEN"},
+{ERR_FUNC(EC_F_PKEY_EC_PARAMGEN),      "PKEY_EC_PARAMGEN"},
+{ERR_FUNC(EC_F_PKEY_EC_SIGN),  "PKEY_EC_SIGN"},
 {0,NULL}
        };
 
 static ERR_STRING_DATA EC_str_reasons[]=
        {
-{EC_R_INCOMPATIBLE_OBJECTS               ,"incompatible objects"},
-{EC_R_NO_SUCH_EXTRA_DATA                 ,"no such extra data"},
-{EC_R_SLOT_FULL                          ,"slot full"},
+{ERR_REASON(EC_R_ASN1_ERROR)             ,"asn1 error"},
+{ERR_REASON(EC_R_ASN1_UNKNOWN_FIELD)     ,"asn1 unknown field"},
+{ERR_REASON(EC_R_BUFFER_TOO_SMALL)       ,"buffer too small"},
+{ERR_REASON(EC_R_D2I_ECPKPARAMETERS_FAILURE),"d2i ecpkparameters failure"},
+{ERR_REASON(EC_R_DECODE_ERROR)           ,"decode error"},
+{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_GROUP2PKPARAMETERS_FAILURE),"group2pkparameters failure"},
+{ERR_REASON(EC_R_I2D_ECPKPARAMETERS_FAILURE),"i2d ecpkparameters failure"},
+{ERR_REASON(EC_R_INCOMPATIBLE_OBJECTS)   ,"incompatible objects"},
+{ERR_REASON(EC_R_INVALID_ARGUMENT)       ,"invalid argument"},
+{ERR_REASON(EC_R_INVALID_COMPRESSED_POINT),"invalid compressed point"},
+{ERR_REASON(EC_R_INVALID_COMPRESSION_BIT),"invalid compression bit"},
+{ERR_REASON(EC_R_INVALID_CURVE)          ,"invalid curve"},
+{ERR_REASON(EC_R_INVALID_DIGEST_TYPE)    ,"invalid digest type"},
+{ERR_REASON(EC_R_INVALID_ENCODING)       ,"invalid encoding"},
+{ERR_REASON(EC_R_INVALID_FIELD)          ,"invalid field"},
+{ERR_REASON(EC_R_INVALID_FORM)           ,"invalid form"},
+{ERR_REASON(EC_R_INVALID_GROUP_ORDER)    ,"invalid group order"},
+{ERR_REASON(EC_R_INVALID_PENTANOMIAL_BASIS),"invalid pentanomial basis"},
+{ERR_REASON(EC_R_INVALID_PRIVATE_KEY)    ,"invalid private key"},
+{ERR_REASON(EC_R_INVALID_TRINOMIAL_BASIS),"invalid trinomial basis"},
+{ERR_REASON(EC_R_KEYS_NOT_SET)           ,"keys not set"},
+{ERR_REASON(EC_R_MISSING_PARAMETERS)     ,"missing parameters"},
+{ERR_REASON(EC_R_MISSING_PRIVATE_KEY)    ,"missing private key"},
+{ERR_REASON(EC_R_NOT_A_NIST_PRIME)       ,"not a NIST prime"},
+{ERR_REASON(EC_R_NOT_A_SUPPORTED_NIST_PRIME),"not a supported NIST prime"},
+{ERR_REASON(EC_R_NOT_IMPLEMENTED)        ,"not implemented"},
+{ERR_REASON(EC_R_NOT_INITIALIZED)        ,"not initialized"},
+{ERR_REASON(EC_R_NO_FIELD_MOD)           ,"no field mod"},
+{ERR_REASON(EC_R_NO_PARAMETERS_SET)      ,"no parameters set"},
+{ERR_REASON(EC_R_PASSED_NULL_PARAMETER)  ,"passed null parameter"},
+{ERR_REASON(EC_R_PKPARAMETERS2GROUP_FAILURE),"pkparameters2group failure"},
+{ERR_REASON(EC_R_POINT_AT_INFINITY)      ,"point at infinity"},
+{ERR_REASON(EC_R_POINT_IS_NOT_ON_CURVE)  ,"point is not on curve"},
+{ERR_REASON(EC_R_SLOT_FULL)              ,"slot full"},
+{ERR_REASON(EC_R_UNDEFINED_GENERATOR)    ,"undefined generator"},
+{ERR_REASON(EC_R_UNDEFINED_ORDER)        ,"undefined order"},
+{ERR_REASON(EC_R_UNKNOWN_GROUP)          ,"unknown group"},
+{ERR_REASON(EC_R_UNKNOWN_ORDER)          ,"unknown order"},
+{ERR_REASON(EC_R_UNSUPPORTED_FIELD)      ,"unsupported field"},
+{ERR_REASON(EC_R_WRONG_ORDER)            ,"wrong order"},
 {0,NULL}
        };
 
@@ -99,15 +247,12 @@ static ERR_STRING_DATA EC_str_reasons[]=
 
 void ERR_load_EC_strings(void)
        {
-       static int init=1;
-
-       if (init)
-               {
-               init=0;
 #ifndef OPENSSL_NO_ERR
-               ERR_load_strings(ERR_LIB_EC,EC_str_functs);
-               ERR_load_strings(ERR_LIB_EC,EC_str_reasons);
-#endif
 
+       if (ERR_func_error_string(EC_str_functs[0].error) == NULL)
+               {
+               ERR_load_strings(0,EC_str_functs);
+               ERR_load_strings(0,EC_str_reasons);
                }
+#endif
        }