git-svn-id: http://svn.miranda-ng.org/main/trunk@16502 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

1 files changed, 446 insertions, 72 deletions

diff --git a/include/openssl/ec.h b/include/openssl/ec.h
index 81e6faf6c5..e67439b73d 100644
--- a/include/openssl/ec.h
+++ b/include/openssl/ec.h
@@ -1,3 +1,4 @@
+
 /* crypto/ec/ec.h */
 /*
  * Originally written by Bodo Moeller for the OpenSSL project.
@@ -84,7 +85,7 @@
 
 # include <openssl/asn1.h>
 # include <openssl/symhacks.h>
-# ifndef OPENSSL_NO_DEPRECATED
+# if OPENSSL_API_COMPAT < 0x10100000L
 #  include <openssl/bn.h>
 # endif
 
@@ -114,19 +115,10 @@ typedef enum {
 } point_conversion_form_t;
 
 typedef struct ec_method_st EC_METHOD;
-
-typedef struct ec_group_st
-    /*-
-     EC_METHOD *meth;
-     -- field definition
-     -- curve coefficients
-     -- optional generator with associated information (order, cofactor)
-     -- optional extra data (precomputed table for fast computation of multiples of generator)
-     -- ASN1 stuff
-    */
-    EC_GROUP;
-
+typedef struct ec_group_st EC_GROUP;
 typedef struct ec_point_st EC_POINT;
+typedef struct ecpk_parameters_st ECPKPARAMETERS;
+typedef struct ec_parameters_st ECPARAMETERS;
 
 /********************************************************************/
 /*               EC_METHODs for curves over GF(p)                   */
@@ -149,6 +141,7 @@ const EC_METHOD *EC_GFp_mont_method(void);
 const EC_METHOD *EC_GFp_nist_method(void);
 
 # ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
+#  ifndef OPENSSL_SYS_WIN32
 /** Returns 64-bit optimized methods for nistp224
  *  \return  EC_METHOD object
  */
@@ -163,6 +156,7 @@ const EC_METHOD *EC_GFp_nistp256_method(void);
  *  \return  EC_METHOD object
  */
 const EC_METHOD *EC_GFp_nistp521_method(void);
+#  endif
 # endif
 
 # ifndef OPENSSL_NO_EC2M
@@ -229,7 +223,7 @@ int EC_METHOD_get_field_type(const EC_METHOD *meth);
  *  \param  order      the order of the group generated by the generator.
  *  \param  cofactor   the index of the sub-group generated by the generator
  *                     in the group of all points on the elliptic curve.
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_GROUP_set_generator(EC_GROUP *group, const EC_POINT *generator,
                            const BIGNUM *order, const BIGNUM *cofactor);
@@ -249,20 +243,41 @@ BN_MONT_CTX *EC_GROUP_get_mont_data(const EC_GROUP *group);
 /** Gets the order of a EC_GROUP
  *  \param  group  EC_GROUP object
  *  \param  order  BIGNUM to which the order is copied
- *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \param  ctx    unused
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx);
 
+/** Gets the order of an EC_GROUP
+ *  \param  group  EC_GROUP object
+ *  \return the group order
+ */
+
+const BIGNUM *EC_GROUP_get0_order(const EC_GROUP *group);
+
+/** Gets the number of bits of ther order of an EC_GROUP
+ *  \param  group  EC_GROUP object
+ *  \return number of bits of group order.
+ */
+
+int EC_GROUP_order_bits(const EC_GROUP *group);
+
 /** Gets the cofactor of a EC_GROUP
  *  \param  group     EC_GROUP object
  *  \param  cofactor  BIGNUM to which the cofactor is copied
- *  \param  ctx       BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \param  ctx       unused
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor,
                           BN_CTX *ctx);
 
+/** Gets the cofactor of an EC_GROUP
+ *  \param  group  EC_GROUP object
+ *  \return the group cofactor
+ */
+
+const BIGNUM *EC_GROUP_get0_cofactor(const EC_GROUP *group);
+
 /** Sets the name of a EC_GROUP object
  *  \param  group  EC_GROUP object
  *  \param  nid    NID of the curve name OID
@@ -292,7 +307,7 @@ size_t EC_GROUP_set_seed(EC_GROUP *, const unsigned char *, size_t len);
  *  \param  a      BIGNUM with parameter a of the equation
  *  \param  b      BIGNUM with parameter b of the equation
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a,
                            const BIGNUM *b, BN_CTX *ctx);
@@ -303,7 +318,7 @@ int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a,
  *  \param  a      BIGNUM for parameter a of the equation
  *  \param  b      BIGNUM for parameter b of the equation
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a,
                            BIGNUM *b, BN_CTX *ctx);
@@ -315,7 +330,7 @@ int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a,
  *  \param  a      BIGNUM with parameter a of the equation
  *  \param  b      BIGNUM with parameter b of the equation
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_GROUP_set_curve_GF2m(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a,
                             const BIGNUM *b, BN_CTX *ctx);
@@ -326,7 +341,7 @@ int EC_GROUP_set_curve_GF2m(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a,
  *  \param  a      BIGNUM for parameter a of the equation
  *  \param  b      BIGNUM for parameter b of the equation
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_GROUP_get_curve_GF2m(const EC_GROUP *group, BIGNUM *p, BIGNUM *a,
                             BIGNUM *b, BN_CTX *ctx);
@@ -386,6 +401,7 @@ EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a,
 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
@@ -393,6 +409,38 @@ EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a,
  */
 EC_GROUP *EC_GROUP_new_by_curve_name(int nid);
 
+/** Creates a new EC_GROUP object from an ECPARAMETERS object
+ *  \param  params  pointer to the ECPARAMETERS object
+ *  \return newly created EC_GROUP object with specified curve or NULL
+ *          if an error occurred
+ */
+EC_GROUP *EC_GROUP_new_from_ecparameters(const ECPARAMETERS *params);
+
+/** Creates an ECPARAMETERS object for the the given EC_GROUP object.
+ *  \param  group   pointer to the EC_GROUP object
+ *  \param  params  pointer to an existing ECPARAMETERS object or NULL
+ *  \return pointer to the new ECPARAMETERS object or NULL
+ *          if an error occurred.
+ */
+ECPARAMETERS *EC_GROUP_get_ecparameters(const EC_GROUP *group,
+                                        ECPARAMETERS *params);
+
+/** Creates a new EC_GROUP object from an ECPKPARAMETERS object
+ *  \param  params  pointer to an existing ECPKPARAMETERS object, or NULL
+ *  \return newly created EC_GROUP object with specified curve, or NULL
+ *          if an error occurred
+ */
+EC_GROUP *EC_GROUP_new_from_ecpkparameters(const ECPKPARAMETERS *params);
+
+/** Creates an ECPKPARAMETERS object for the the given EC_GROUP object.
+ *  \param  group   pointer to the EC_GROUP object
+ *  \param  params  pointer to an existing ECPKPARAMETERS object or NULL
+ *  \return pointer to the new ECPKPARAMETERS object or NULL
+ *          if an error occurred.
+ */
+ECPKPARAMETERS *EC_GROUP_get_ecpkparameters(const EC_GROUP *group,
+                                            ECPKPARAMETERS *params);
+
 /********************************************************************/
 /*               handling of internal curves                        */
 /********************************************************************/
@@ -436,7 +484,7 @@ void EC_POINT_clear_free(EC_POINT *point);
 /** Copies EC_POINT object
  *  \param  dst  destination EC_POINT object
  *  \param  src  source EC_POINT object
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_copy(EC_POINT *dst, const EC_POINT *src);
 
@@ -457,7 +505,7 @@ const EC_METHOD *EC_POINT_method_of(const EC_POINT *point);
 /** Sets a point to infinity (neutral element)
  *  \param  group  underlying EC_GROUP object
  *  \param  point  EC_POINT to set to infinity
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point);
 
@@ -468,7 +516,7 @@ int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point);
  *  \param  y      BIGNUM with the y-coordinate
  *  \param  z      BIGNUM with the z-coordinate
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group,
                                              EC_POINT *p, const BIGNUM *x,
@@ -482,7 +530,7 @@ int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group,
  *  \param  y      BIGNUM for the y-coordinate
  *  \param  z      BIGNUM for the z-coordinate
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group,
                                              const EC_POINT *p, BIGNUM *x,
@@ -495,7 +543,7 @@ int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group,
  *  \param  x      BIGNUM with the x-coordinate
  *  \param  y      BIGNUM with the y-coordinate
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *p,
                                         const BIGNUM *x, const BIGNUM *y,
@@ -507,7 +555,7 @@ int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *p,
  *  \param  x      BIGNUM for the x-coordinate
  *  \param  y      BIGNUM for the y-coordinate
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group,
                                         const EC_POINT *p, BIGNUM *x,
@@ -519,7 +567,7 @@ int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group,
  *  \param  x      BIGNUM with x-coordinate
  *  \param  y_bit  integer with the y-Bit (either 0 or 1)
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group,
                                             EC_POINT *p, const BIGNUM *x,
@@ -531,7 +579,7 @@ int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group,
  *  \param  x      BIGNUM with the x-coordinate
  *  \param  y      BIGNUM with the y-coordinate
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group, EC_POINT *p,
                                          const BIGNUM *x, const BIGNUM *y,
@@ -543,7 +591,7 @@ int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group, EC_POINT *p,
  *  \param  x      BIGNUM for the x-coordinate
  *  \param  y      BIGNUM for the y-coordinate
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group,
                                          const EC_POINT *p, BIGNUM *x,
@@ -555,7 +603,7 @@ int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group,
  *  \param  x      BIGNUM with x-coordinate
  *  \param  y_bit  integer with the y-Bit (either 0 or 1)
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group,
                                              EC_POINT *p, const BIGNUM *x,
@@ -581,11 +629,25 @@ size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *p,
  *  \param  buf    memory buffer with the encoded ec point
  *  \param  len    length of the encoded ec point
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *p,
                        const unsigned char *buf, size_t len, BN_CTX *ctx);
 
+/** Encodes an EC_POINT object to an allocated octet string
+ *  \param  group  underlying EC_GROUP object
+ *  \param  point  EC_POINT object
+ *  \param  form   point conversion form
+ *  \param  pbuf   returns pointer to allocated buffer
+ *  \param  len    length of the memory buffer
+ *  \param  ctx    BN_CTX object (optional)
+ *  \return the length of the encoded octet string or 0 if an error occurred
+ */
+
+size_t EC_POINT_point2buf(const EC_GROUP *group, const EC_POINT *point,
+                          point_conversion_form_t form,
+                          unsigned char **pbuf, BN_CTX *ctx);
+
 /* other interfaces to point2oct/oct2point: */
 BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *,
                           point_conversion_form_t form, BIGNUM *, BN_CTX *);
@@ -606,7 +668,7 @@ EC_POINT *EC_POINT_hex2point(const EC_GROUP *, const char *,
  *  \param  a      EC_POINT object with the first summand
  *  \param  b      EC_POINT object with the second summand
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a,
                  const EC_POINT *b, BN_CTX *ctx);
@@ -616,7 +678,7 @@ int EC_POINT_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a,
  *  \param  r      EC_POINT object for the result (r = 2 * a)
  *  \param  a      EC_POINT object
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a,
                  BN_CTX *ctx);
@@ -625,7 +687,7 @@ int EC_POINT_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a,
  *  \param  group  underlying EC_GROUP object
  *  \param  a      EC_POINT object to be inverted (it's used for the result as well)
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_invert(const EC_GROUP *group, EC_POINT *a, BN_CTX *ctx);
 
@@ -667,7 +729,7 @@ int EC_POINTs_make_affine(const EC_GROUP *group, size_t num,
  *  \param  p      array of size num of EC_POINT objects
  *  \param  m      array of size num of BIGNUM objects
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n,
                   size_t num, const EC_POINT *p[], const BIGNUM *m[],
@@ -680,7 +742,7 @@ int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n,
  *  \param  q      EC_POINT object with the first factor of the second summand
  *  \param  m      BIGNUM with the second factor of the second summand
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n,
                  const EC_POINT *q, const BIGNUM *m, BN_CTX *ctx);
@@ -688,7 +750,7 @@ int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n,
 /** Stores multiples of generator for faster point multiplication
  *  \param  group  EC_GROUP object
  *  \param  ctx    BN_CTX object (optional)
- *  \return 1 on success and 0 if an error occured
+ *  \return 1 on success and 0 if an error occurred
  */
 int EC_GROUP_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
 
@@ -702,6 +764,9 @@ int EC_GROUP_have_precompute_mult(const EC_GROUP *group);
 /*                       ASN1 stuff                                 */
 /********************************************************************/
 
+DECLARE_ASN1_ITEM(ECPKPARAMETERS)
+DECLARE_ASN1_ITEM(ECPARAMETERS)
+
 /*
  * EC_GROUP_get_basis_type() returns the NID of the basis type used to
  * represent the field elements
@@ -713,9 +778,8 @@ 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
-
-typedef struct ecpk_parameters_st ECPKPARAMETERS;
+# define OPENSSL_EC_EXPLICIT_CURVE  0x000
+# define OPENSSL_EC_NAMED_CURVE     0x001
 
 EC_GROUP *d2i_ECPKParameters(EC_GROUP **, const unsigned char **in, long len);
 int i2d_ECPKParameters(const EC_GROUP *, unsigned char **out);
@@ -727,10 +791,8 @@ int i2d_ECPKParameters(const EC_GROUP *, unsigned char **out);
 # define i2d_ECPKParameters_fp(fp,x) ASN1_i2d_fp(i2d_ECPKParameters,(fp), \
                 (unsigned char *)(x))
 
-# ifndef OPENSSL_NO_BIO
 int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off);
-# endif
-# ifndef OPENSSL_NO_FP_API
+# ifndef OPENSSL_NO_STDIO
 int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off);
 # endif
 
@@ -738,8 +800,6 @@ int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off);
 /*                      EC_KEY functions                            */
 /********************************************************************/
 
-typedef struct ec_key_st EC_KEY;
-
 /* some values for the encoding_flag */
 # define EC_PKEY_NO_PARAMETERS   0x001
 # define EC_PKEY_NO_PUBKEY       0x002
@@ -747,6 +807,7 @@ typedef struct ec_key_st EC_KEY;
 /* some values for the flags field */
 # define EC_FLAG_NON_FIPS_ALLOW  0x1
 # define EC_FLAG_FIPS_CHECKED    0x2
+# define EC_FLAG_COFACTOR_ECDH   0x1000
 
 /** Creates a new EC_KEY object.
  *  \return EC_KEY object or NULL if an error occurred.
@@ -776,13 +837,13 @@ void EC_KEY_free(EC_KEY *key);
  *  \param  src  src EC_KEY object
  *  \return dst or NULL if an error occurred.
  */
-EC_KEY *EC_KEY_copy(EC_KEY *dst, const EC_KEY *src);
+EC_KEY *EC_KEY_copy(EC_KEY *dst, EC_KEY *src);
 
 /** Creates a new EC_KEY object and copies the content from src to it.
  *  \param  src  the source EC_KEY object
  *  \return newly created EC_KEY object or NULL if an error occurred.
  */
-EC_KEY *EC_KEY_dup(const EC_KEY *src);
+EC_KEY *EC_KEY_dup(EC_KEY *src);
 
 /** Increases the internal reference count of a EC_KEY object.
  *  \param  key  EC_KEY object
@@ -836,23 +897,12 @@ unsigned EC_KEY_get_enc_flags(const EC_KEY *key);
 void EC_KEY_set_enc_flags(EC_KEY *eckey, unsigned int flags);
 point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *key);
 void EC_KEY_set_conv_form(EC_KEY *eckey, point_conversion_form_t cform);
-/* functions to set/get method specific data  */
-void *EC_KEY_get_key_method_data(EC_KEY *key,
-                                 void *(*dup_func) (void *),
-                                 void (*free_func) (void *),
-                                 void (*clear_free_func) (void *));
-/** Sets the key method data of an EC_KEY object, if none has yet been set.
- *  \param  key              EC_KEY object
- *  \param  data             opaque data to install.
- *  \param  dup_func         a function that duplicates |data|.
- *  \param  free_func        a function that frees |data|.
- *  \param  clear_free_func  a function that wipes and frees |data|.
- *  \return the previously set data pointer, or NULL if |data| was inserted.
- */
-void *EC_KEY_insert_key_method_data(EC_KEY *key, void *data,
-                                    void *(*dup_func) (void *),
-                                    void (*free_func) (void *),
-                                    void (*clear_free_func) (void *));
+
+#define EC_KEY_get_ex_new_index(l, p, newf, dupf, freef) \
+    CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_EC_KEY, l, p, newf, dupf, freef)
+int EC_KEY_set_ex_data(EC_KEY *key, int idx, void *arg);
+void *EC_KEY_get_ex_data(const EC_KEY *key, int idx);
+
 /* wrapper functions for the underlying EC_GROUP object */
 void EC_KEY_set_asn1_flag(EC_KEY *eckey, int asn1_flag);
 
@@ -876,8 +926,14 @@ int EC_KEY_generate_key(EC_KEY *key);
  */
 int EC_KEY_check_key(const EC_KEY *key);
 
+/** Indicates if an EC_KEY can be used for signing.
+ *  \param  key  the EC_KEY object
+ *  \return 1 if can can sign and 0 otherwise.
+ */
+int EC_KEY_can_sign(const EC_KEY *eckey);
+
 /** Sets a public key from affine coordindates performing
- *  neccessary NIST PKV tests.
+ *  necessary NIST PKV tests.
  *  \param  key  the EC_KEY object
  *  \param  x    public key x coordinate
  *  \param  y    public key y coordinate
@@ -886,6 +942,56 @@ int EC_KEY_check_key(const EC_KEY *key);
 int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x,
                                              BIGNUM *y);
 
+/** Encodes an EC_KEY public key to an allocated octet string
+ *  \param  key    key to encode
+ *  \param  form   point conversion form
+ *  \param  pbuf   returns pointer to allocated buffer
+ *  \param  len    length of the memory buffer
+ *  \param  ctx    BN_CTX object (optional)
+ *  \return the length of the encoded octet string or 0 if an error occurred
+ */
+
+size_t EC_KEY_key2buf(const EC_KEY *key, point_conversion_form_t form,
+                      unsigned char **pbuf, BN_CTX *ctx);
+
+/** Decodes a EC_KEY public key from a octet string
+ *  \param  key    key to decode
+ *  \param  buf    memory buffer with the encoded ec point
+ *  \param  len    length of the encoded ec point
+ *  \param  ctx    BN_CTX object (optional)
+ *  \return 1 on success and 0 if an error occurred
+ */
+
+int EC_KEY_oct2key(EC_KEY *key, const unsigned char *buf, size_t len,
+                   BN_CTX *ctx);
+
+/** Decodes an EC_KEY private key from an octet string
+ *  \param  key    key to decode
+ *  \param  buf    memory buffer with the encoded private key
+ *  \param  len    length of the encoded key
+ *  \return 1 on success and 0 if an error occurred
+ */
+
+int EC_KEY_oct2priv(EC_KEY *key, unsigned char *buf, size_t len);
+
+/** Encodes a EC_KEY private key to an octet string
+ *  \param  key    key to encode
+ *  \param  buf    memory buffer for the result. If NULL the function returns
+ *                 required buffer size.
+ *  \param  len    length of the memory buffer
+ *  \return the length of the encoded octet string or 0 if an error occurred
+ */
+
+size_t EC_KEY_priv2oct(const EC_KEY *key, unsigned char *buf, size_t len);
+
+/** Encodes an EC_KEY private key to an allocated octet string
+ *  \param  key    key to encode
+ *  \param  pbuf   returns pointer to allocated buffer
+ *  \return the length of the encoded octet string or 0 if an error occurred
+ */
+
+size_t EC_KEY_priv2buf(const EC_KEY *eckey, unsigned char **pbuf);
+
 /********************************************************************/
 /*        de- and encoding functions for SEC1 ECPrivateKey          */
 /********************************************************************/
@@ -920,7 +1026,7 @@ int i2d_ECPrivateKey(EC_KEY *key, unsigned char **out);
 EC_KEY *d2i_ECParameters(EC_KEY **key, const unsigned char **in, long len);
 
 /** Encodes ec parameter and stores the result in a buffer.
- *  \param  key  the EC_KEY object with ec paramters to encode
+ *  \param  key  the EC_KEY object with ec parameters to encode
  *  \param  out  the buffer for the result (if NULL the function returns number
  *               of bytes needed).
  *  \return 1 on success and 0 if an error occurred.
@@ -949,7 +1055,6 @@ EC_KEY *o2i_ECPublicKey(EC_KEY **key, const unsigned char **in, long len);
  */
 int i2o_ECPublicKey(EC_KEY *key, unsigned char **out);
 
-# ifndef OPENSSL_NO_BIO
 /** Prints out the ec parameters on human readable form.
  *  \param  bp   BIO object to which the information is printed
  *  \param  key  EC_KEY object
@@ -965,8 +1070,7 @@ int ECParameters_print(BIO *bp, const EC_KEY *key);
  */
 int EC_KEY_print(BIO *bp, const EC_KEY *key, int off);
 
-# endif
-# ifndef OPENSSL_NO_FP_API
+# ifndef OPENSSL_NO_STDIO
 /** Prints out the ec parameters on human readable form.
  *  \param  fp   file descriptor to which the information is printed
  *  \param  key  EC_KEY object
@@ -984,6 +1088,247 @@ int EC_KEY_print_fp(FILE *fp, const EC_KEY *key, int off);
 
 # endif
 
+const EC_KEY_METHOD *EC_KEY_OpenSSL(void);
+const EC_KEY_METHOD *EC_KEY_get_default_method(void);
+void EC_KEY_set_default_method(const EC_KEY_METHOD *meth);
+const EC_KEY_METHOD *EC_KEY_get_method(const EC_KEY *key);
+int EC_KEY_set_method(EC_KEY *key, const EC_KEY_METHOD *meth);
+EC_KEY *EC_KEY_new_method(ENGINE *engine);
+
+int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
+                   const unsigned char *Z, size_t Zlen,
+                   const unsigned char *sinfo, size_t sinfolen,
+                   const EVP_MD *md);
+
+int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
+                     const EC_KEY *ecdh,
+                     void *(*KDF) (const void *in, size_t inlen,
+                                   void *out, size_t *outlen));
+
+typedef struct ECDSA_SIG_st ECDSA_SIG;
+
+/** Allocates and initialize a ECDSA_SIG structure
+ *  \return pointer to a ECDSA_SIG structure or NULL if an error occurred
+ */
+ECDSA_SIG *ECDSA_SIG_new(void);
+
+/** frees a ECDSA_SIG structure
+ *  \param  sig  pointer to the ECDSA_SIG structure
+ */
+void ECDSA_SIG_free(ECDSA_SIG *sig);
+
+/** DER encode content of ECDSA_SIG object (note: this function modifies *pp
+ *  (*pp += length of the DER encoded signature)).
+ *  \param  sig  pointer to the ECDSA_SIG object
+ *  \param  pp   pointer to a unsigned char pointer for the output or NULL
+ *  \return the length of the DER encoded ECDSA_SIG object or 0
+ */
+int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp);
+
+/** Decodes a DER encoded ECDSA signature (note: this function changes *pp
+ *  (*pp += len)).
+ *  \param  sig  pointer to ECDSA_SIG pointer (may be NULL)
+ *  \param  pp   memory buffer with the DER encoded signature
+ *  \param  len  length of the buffer
+ *  \return pointer to the decoded ECDSA_SIG structure (or NULL)
+ */
+ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len);
+
+/** Accessor for r and s fields of ECDSA_SIG
+ *  \param  sig  pointer to ECDSA_SIG pointer
+ *  \param  pr   pointer to BIGNUM pointer for r (may be NULL)
+ *  \param  ps   pointer to BIGNUM pointer for s (may be NULL)
+ */
+void ECDSA_SIG_get0(BIGNUM **pr, BIGNUM **ps, ECDSA_SIG *sig);
+
+/** Computes the ECDSA signature of the given hash value using
+ *  the supplied private key and returns the created signature.
+ *  \param  dgst      pointer to the hash value
+ *  \param  dgst_len  length of the hash value
+ *  \param  eckey     EC_KEY object containing a private EC key
+ *  \return pointer to a ECDSA_SIG structure or NULL if an error occurred
+ */
+ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dgst_len,
+                         EC_KEY *eckey);
+
+/** Computes ECDSA signature of a given hash value using the supplied
+ *  private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
+ *  \param  dgst     pointer to the hash value to sign
+ *  \param  dgstlen  length of the hash value
+ *  \param  kinv     BIGNUM with a pre-computed inverse k (optional)
+ *  \param  rp       BIGNUM with a pre-computed rp value (optioanl),
+ *                   see ECDSA_sign_setup
+ *  \param  eckey    EC_KEY object containing a private EC key
+ *  \return pointer to a ECDSA_SIG structure or NULL if an error occurred
+ */
+ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen,
+                            const BIGNUM *kinv, const BIGNUM *rp,
+                            EC_KEY *eckey);
+
+/** Verifies that the supplied signature is a valid ECDSA
+ *  signature of the supplied hash value using the supplied public key.
+ *  \param  dgst      pointer to the hash value
+ *  \param  dgst_len  length of the hash value
+ *  \param  sig       ECDSA_SIG structure
+ *  \param  eckey     EC_KEY object containing a public EC key
+ *  \return 1 if the signature is valid, 0 if the signature is invalid
+ *          and -1 on error
+ */
+int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
+                    const ECDSA_SIG *sig, EC_KEY *eckey);
+
+/** Precompute parts of the signing operation
+ *  \param  eckey  EC_KEY object containing a private EC key
+ *  \param  ctx    BN_CTX object (optional)
+ *  \param  kinv   BIGNUM pointer for the inverse of k
+ *  \param  rp     BIGNUM pointer for x coordinate of k * generator
+ *  \return 1 on success and 0 otherwise
+ */
+int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, BIGNUM **rp);
+
+/** Computes ECDSA signature of a given hash value using the supplied
+ *  private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
+ *  \param  type     this parameter is ignored
+ *  \param  dgst     pointer to the hash value to sign
+ *  \param  dgstlen  length of the hash value
+ *  \param  sig      memory for the DER encoded created signature
+ *  \param  siglen   pointer to the length of the returned signature
+ *  \param  eckey    EC_KEY object containing a private EC key
+ *  \return 1 on success and 0 otherwise
+ */
+int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen,
+               unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
+
+/** Computes ECDSA signature of a given hash value using the supplied
+ *  private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
+ *  \param  type     this parameter is ignored
+ *  \param  dgst     pointer to the hash value to sign
+ *  \param  dgstlen  length of the hash value
+ *  \param  sig      buffer to hold the DER encoded signature
+ *  \param  siglen   pointer to the length of the returned signature
+ *  \param  kinv     BIGNUM with a pre-computed inverse k (optional)
+ *  \param  rp       BIGNUM with a pre-computed rp value (optioanl),
+ *                   see ECDSA_sign_setup
+ *  \param  eckey    EC_KEY object containing a private EC key
+ *  \return 1 on success and 0 otherwise
+ */
+int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen,
+                  unsigned char *sig, unsigned int *siglen,
+                  const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey);
+
+/** Verifies that the given signature is valid ECDSA signature
+ *  of the supplied hash value using the specified public key.
+ *  \param  type     this parameter is ignored
+ *  \param  dgst     pointer to the hash value
+ *  \param  dgstlen  length of the hash value
+ *  \param  sig      pointer to the DER encoded signature
+ *  \param  siglen   length of the DER encoded signature
+ *  \param  eckey    EC_KEY object containing a public EC key
+ *  \return 1 if the signature is valid, 0 if the signature is invalid
+ *          and -1 on error
+ */
+int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen,
+                 const unsigned char *sig, int siglen, EC_KEY *eckey);
+
+/** Returns the maximum length of the DER encoded signature
+ *  \param  eckey  EC_KEY object
+ *  \return numbers of bytes required for the DER encoded signature
+ */
+int ECDSA_size(const EC_KEY *eckey);
+
+/********************************************************************/
+/*  EC_KEY_METHOD constructors, destructors, writers and accessors  */
+/********************************************************************/
+
+EC_KEY_METHOD *EC_KEY_METHOD_new(const EC_KEY_METHOD *meth);
+void EC_KEY_METHOD_free(EC_KEY_METHOD *meth);
+void EC_KEY_METHOD_set_init(EC_KEY_METHOD *meth,
+                            int (*init)(EC_KEY *key),
+                            void (*finish)(EC_KEY *key),
+                            int (*copy)(EC_KEY *dest, const EC_KEY *src),
+                            int (*set_group)(EC_KEY *key, const EC_GROUP *grp),
+                            int (*set_private)(EC_KEY *key,
+                                               const BIGNUM *priv_key),
+                            int (*set_public)(EC_KEY *key,
+                                              const EC_POINT *pub_key));
+
+void EC_KEY_METHOD_set_keygen(EC_KEY_METHOD *meth,
+                              int (*keygen)(EC_KEY *key));
+
+void EC_KEY_METHOD_set_compute_key(EC_KEY_METHOD *meth,
+                                   int (*ckey)(unsigned char **psec,
+                                               size_t *pseclen,
+                                               const EC_POINT *pub_key,
+                                               const EC_KEY *ecdh));
+
+void EC_KEY_METHOD_set_sign(EC_KEY_METHOD *meth,
+                            int (*sign)(int type, const unsigned char *dgst,
+                                        int dlen, unsigned char *sig,
+                                        unsigned int *siglen,
+                                        const BIGNUM *kinv, const BIGNUM *r,
+                                        EC_KEY *eckey),
+                            int (*sign_setup)(EC_KEY *eckey, BN_CTX *ctx_in,
+                                              BIGNUM **kinvp, BIGNUM **rp),
+                            ECDSA_SIG *(*sign_sig)(const unsigned char *dgst,
+                                                   int dgst_len,
+                                                   const BIGNUM *in_kinv,
+                                                   const BIGNUM *in_r,
+                                                   EC_KEY *eckey));
+
+void EC_KEY_METHOD_set_verify(EC_KEY_METHOD *meth,
+                              int (*verify)(int type, const unsigned
+                                            char *dgst, int dgst_len,
+                                            const unsigned char *sigbuf,
+                                            int sig_len, EC_KEY *eckey),
+                              int (*verify_sig)(const unsigned char *dgst,
+                                                int dgst_len,
+                                                const ECDSA_SIG *sig,
+                                                EC_KEY *eckey));
+
+void EC_KEY_METHOD_get_init(EC_KEY_METHOD *meth,
+                            int (**pinit)(EC_KEY *key),
+                            void (**pfinish)(EC_KEY *key),
+                            int (**pcopy)(EC_KEY *dest, const EC_KEY *src),
+                            int (**pset_group)(EC_KEY *key,
+                                               const EC_GROUP *grp),
+                            int (**pset_private)(EC_KEY *key,
+                                                 const BIGNUM *priv_key),
+                            int (**pset_public)(EC_KEY *key,
+                                                const EC_POINT *pub_key));
+
+void EC_KEY_METHOD_get_keygen(EC_KEY_METHOD *meth,
+                              int (**pkeygen)(EC_KEY *key));
+
+void EC_KEY_METHOD_get_compute_key(EC_KEY_METHOD *meth,
+                                   int (**pck)(unsigned char **psec,
+                                               size_t *pseclen,
+                                               const EC_POINT *pub_key,
+                                               const EC_KEY *ecdh));
+
+void EC_KEY_METHOD_get_sign(EC_KEY_METHOD *meth,
+                            int (**psign)(int type, const unsigned char *dgst,
+                                          int dlen, unsigned char *sig,
+                                          unsigned int *siglen,
+                                          const BIGNUM *kinv, const BIGNUM *r,
+                                          EC_KEY *eckey),
+                            int (**psign_setup)(EC_KEY *eckey, BN_CTX *ctx_in,
+                                                BIGNUM **kinvp, BIGNUM **rp),
+                            ECDSA_SIG *(**psign_sig)(const unsigned char *dgst,
+                                                     int dgst_len,
+                                                     const BIGNUM *in_kinv,
+                                                     const BIGNUM *in_r,
+                                                     EC_KEY *eckey));
+
+void EC_KEY_METHOD_get_verify(EC_KEY_METHOD *meth,
+                              int (**pverify)(int type, const unsigned
+                                              char *dgst, int dgst_len,
+                                              const unsigned char *sigbuf,
+                                              int sig_len, EC_KEY *eckey),
+                              int (**pverify_sig)(const unsigned char *dgst,
+                                                  int dgst_len,
+                                                  const ECDSA_SIG *sig,
+                                                  EC_KEY *eckey));
+
 # define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x)
 
 # ifndef __cplusplus
@@ -1086,6 +1431,13 @@ void ERR_load_EC_strings(void);
 # define EC_F_DO_EC_KEY_PRINT                             221
 # define EC_F_ECDH_CMS_DECRYPT                            238
 # define EC_F_ECDH_CMS_SET_SHARED_INFO                    239
+# define EC_F_ECDH_COMPUTE_KEY                            246
+# define EC_F_ECDH_SIMPLE_COMPUTE_KEY                     257
+# define EC_F_ECDSA_DO_SIGN_EX                            251
+# define EC_F_ECDSA_DO_VERIFY                             252
+# define EC_F_ECDSA_SIGN_EX                               254
+# define EC_F_ECDSA_SIGN_SETUP                            248
+# define EC_F_ECDSA_VERIFY                                253
 # define EC_F_ECKEY_PARAM2TYPE                            223
 # define EC_F_ECKEY_PARAM_DECODE                          212
 # define EC_F_ECKEY_PRIV_DECODE                           213
@@ -1101,7 +1453,6 @@ void ERR_load_EC_strings(void);
 # define EC_F_ECP_NISTZ256_MULT_PRECOMPUTE                243
 # define EC_F_ECP_NISTZ256_POINTS_MUL                     241
 # define EC_F_ECP_NISTZ256_PRE_COMP_NEW                   244
-# define EC_F_ECP_NISTZ256_SET_WORDS                      245
 # define EC_F_ECP_NISTZ256_WINDOWED_MUL                   242
 # define EC_F_ECP_NIST_MOD_192                            203
 # define EC_F_ECP_NIST_MOD_224                            204
@@ -1163,12 +1514,16 @@ void ERR_load_EC_strings(void);
 # define EC_F_EC_GROUP_GET_CURVE_GF2M                     172
 # define EC_F_EC_GROUP_GET_CURVE_GFP                      130
 # define EC_F_EC_GROUP_GET_DEGREE                         173
+# define EC_F_EC_GROUP_GET_ECPARAMETERS                   261
+# define EC_F_EC_GROUP_GET_ECPKPARAMETERS                 262
 # define EC_F_EC_GROUP_GET_ORDER                          141
 # define EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS              193
 # define EC_F_EC_GROUP_GET_TRINOMIAL_BASIS                194
 # define EC_F_EC_GROUP_NEW                                108
 # define EC_F_EC_GROUP_NEW_BY_CURVE_NAME                  174
 # define EC_F_EC_GROUP_NEW_FROM_DATA                      175
+# define EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS              263
+# define EC_F_EC_GROUP_NEW_FROM_ECPKPARAMETERS            264
 # define EC_F_EC_GROUP_PRECOMPUTE_MULT                    142
 # define EC_F_EC_GROUP_SET_CURVE_GF2M                     176
 # define EC_F_EC_GROUP_SET_CURVE_GFP                      109
@@ -1178,9 +1533,15 @@ void ERR_load_EC_strings(void);
 # define EC_F_EC_KEY_COPY                                 178
 # define EC_F_EC_KEY_GENERATE_KEY                         179
 # define EC_F_EC_KEY_NEW                                  182
+# define EC_F_EC_KEY_NEW_METHOD                           245
+# define EC_F_EC_KEY_OCT2PRIV                             255
 # define EC_F_EC_KEY_PRINT                                180
 # define EC_F_EC_KEY_PRINT_FP                             181
+# define EC_F_EC_KEY_PRIV2OCT                             256
 # define EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES    229
+# define EC_F_EC_KEY_SIMPLE_CHECK_KEY                     258
+# define EC_F_EC_KEY_SIMPLE_OCT2PRIV                      259
+# define EC_F_EC_KEY_SIMPLE_PRIV2OCT                      260
 # define EC_F_EC_POINTS_MAKE_AFFINE                       136
 # define EC_F_EC_POINT_ADD                                112
 # define EC_F_EC_POINT_CMP                                113
@@ -1216,6 +1577,9 @@ void ERR_load_EC_strings(void);
 # define EC_F_NISTP521_PRE_COMP_NEW                       237
 # define EC_F_O2I_ECPUBLICKEY                             152
 # define EC_F_OLD_EC_PRIV_DECODE                          222
+# define EC_F_OSSL_ECDH_COMPUTE_KEY                       247
+# define EC_F_OSSL_ECDSA_SIGN_SIG                         249
+# define EC_F_OSSL_ECDSA_VERIFY_SIG                       250
 # define EC_F_PKEY_EC_CTRL                                197
 # define EC_F_PKEY_EC_CTRL_STR                            198
 # define EC_F_PKEY_EC_DERIVE                              217
@@ -1226,9 +1590,12 @@ void ERR_load_EC_strings(void);
 /* Reason codes. */
 # define EC_R_ASN1_ERROR                                  115
 # define EC_R_ASN1_UNKNOWN_FIELD                          116
+# define EC_R_BAD_SIGNATURE                               156
 # define EC_R_BIGNUM_OUT_OF_RANGE                         144
 # define EC_R_BUFFER_TOO_SMALL                            100
 # define EC_R_COORDINATES_OUT_OF_RANGE                    146
+# define EC_R_CURVE_DOES_NOT_SUPPORT_ECDH                 160
+# define EC_R_CURVE_DOES_NOT_SUPPORT_SIGNING              159
 # define EC_R_D2I_ECPKPARAMETERS_FAILURE                  117
 # define EC_R_DECODE_ERROR                                142
 # define EC_R_DISCRIMINANT_IS_ZERO                        118
@@ -1248,24 +1615,31 @@ void ERR_load_EC_strings(void);
 # define EC_R_INVALID_FIELD                               103
 # define EC_R_INVALID_FORM                                104
 # define EC_R_INVALID_GROUP_ORDER                         122
+# define EC_R_INVALID_OUTPUT_LENGTH                       161
 # define EC_R_INVALID_PENTANOMIAL_BASIS                   132
 # define EC_R_INVALID_PRIVATE_KEY                         123
 # define EC_R_INVALID_TRINOMIAL_BASIS                     137
+# define EC_R_KDF_FAILED                                  153
 # define EC_R_KDF_PARAMETER_ERROR                         148
 # define EC_R_KEYS_NOT_SET                                140
 # define EC_R_MISSING_PARAMETERS                          124
 # define EC_R_MISSING_PRIVATE_KEY                         125
+# define EC_R_NEED_NEW_SETUP_VALUES                       157
 # define EC_R_NOT_A_NIST_PRIME                            135
 # define EC_R_NOT_A_SUPPORTED_NIST_PRIME                  136
 # 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_NO_PRIVATE_VALUE                            154
+# define EC_R_OPERATION_NOT_SUPPORTED                     152
 # define EC_R_PASSED_NULL_PARAMETER                       134
 # define EC_R_PEER_KEY_ERROR                              149
 # define EC_R_PKPARAMETERS2GROUP_FAILURE                  127
+# define EC_R_POINT_ARITHMETIC_FAILURE                    155
 # define EC_R_POINT_AT_INFINITY                           106
 # define EC_R_POINT_IS_NOT_ON_CURVE                       107
+# define EC_R_RANDOM_NUMBER_GENERATION_FAILED             158
 # define EC_R_SHARED_INFO_ERROR                           150
 # define EC_R_SLOT_FULL                                   108
 # define EC_R_UNDEFINED_GENERATOR                         113