Provisional support for EC pkey method, supporting ECDH and ECDSA.

crypto/ec/ec.h

@@ -905,6 +905,13 @@ int	EC_KEY_print_fp(FILE *fp, const EC_KEY *key, int off);
 # endif
 #endif
 
+#define EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid) \
+	EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, EVP_PKEY_OP_PARAMGEN, \
+				EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID, nid, NULL)
+
+
+#define EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID		(EVP_PKEY_ALG_CTRL + 1)
+
 /* BEGIN ERROR CODES */
 /* The following lines are auto generated by the script mkerr.pl. Any changes
  * made after this point may be overwritten when the script is next run.
@@ -1028,6 +1035,12 @@ void ERR_load_EC_strings(void);
 #define EC_F_I2D_ECPRIVATEKEY				 192
 #define EC_F_I2O_ECPUBLICKEY				 151
 #define EC_F_O2I_ECPUBLICKEY				 152
+#define EC_F_PKEY_EC_CTRL				 197
+#define EC_F_PKEY_EC_CTRL_STR				 198
+#define EC_F_PKEY_EC_DERIVE				 217
+#define EC_F_PKEY_EC_KEYGEN				 199
+#define EC_F_PKEY_EC_PARAMGEN				 219
+#define EC_F_PKEY_EC_SIGN				 218
 
 /* Reason codes. */
 #define EC_R_ASN1_ERROR					 115
@@ -1043,11 +1056,14 @@ void ERR_load_EC_strings(void);
 #define EC_R_INVALID_ARGUMENT				 112
 #define EC_R_INVALID_COMPRESSED_POINT			 110
 #define EC_R_INVALID_COMPRESSION_BIT			 109
+#define EC_R_INVALID_CURVE				 132
+#define EC_R_INVALID_DIGEST_TYPE			 138
 #define EC_R_INVALID_ENCODING				 102
 #define EC_R_INVALID_FIELD				 103
 #define EC_R_INVALID_FORM				 104
 #define EC_R_INVALID_GROUP_ORDER			 122
 #define EC_R_INVALID_PRIVATE_KEY			 123
+#define EC_R_KEYS_NOT_SET				 140
 #define EC_R_MISSING_PARAMETERS				 124
 #define EC_R_MISSING_PRIVATE_KEY			 125
 #define EC_R_NOT_A_NIST_PRIME				 135
@@ -1055,6 +1071,7 @@ void ERR_load_EC_strings(void);
 #define EC_R_NOT_IMPLEMENTED				 126
 #define EC_R_NOT_INITIALIZED				 111
 #define EC_R_NO_FIELD_MOD				 133
+#define EC_R_NO_PARAMETERS_SET				 139
 #define EC_R_PASSED_NULL_PARAMETER			 134
 #define EC_R_PKPARAMETERS2GROUP_FAILURE			 127
 #define EC_R_POINT_AT_INFINITY				 106