1 files changed, 59 insertions, 0 deletions
diff --git a/server/resty/openssl/include/ec.lua b/server/resty/openssl/include/ec.lua
new file mode 100644
index 0000000..674ef42
--- /dev/null
+++ b/server/resty/openssl/include/ec.lua
@@ -0,0 +1,59 @@
+local ffi = require "ffi"
+
+require "resty.openssl.include.ossl_typ"
+
+ffi.cdef [[
+  /** Enum for the point conversion form as defined in X9.62 (ECDSA)
+  *  for the encoding of a elliptic curve point (x,y) */
+  typedef enum {
+    /** the point is encoded as z||x, where the octet z specifies
+    *  which solution of the quadratic equation y is  */
+    POINT_CONVERSION_COMPRESSED = 2,
+    /** the point is encoded as z||x||y, where z is the octet 0x04  */
+    POINT_CONVERSION_UNCOMPRESSED = 4,
+    /** the point is encoded as z||x||y, where the octet z specifies
+    *  which solution of the quadratic equation y is  */
+    POINT_CONVERSION_HYBRID = 6
+  } point_conversion_form_t;
+
+  EC_KEY *EC_KEY_new(void);
+  void EC_KEY_free(EC_KEY *key);
+
+  EC_GROUP *EC_GROUP_new_by_curve_name(int nid);
+  void EC_GROUP_set_asn1_flag(EC_GROUP *group, int flag);
+  void EC_GROUP_set_point_conversion_form(EC_GROUP *group,
+    point_conversion_form_t form);
+  void EC_GROUP_set_curve_name(EC_GROUP *group, int nid);
+  int EC_GROUP_get_curve_name(const EC_GROUP *group);
+
+
+  void EC_GROUP_free(EC_GROUP *group);
+
+  BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *,
+    point_conversion_form_t form, BIGNUM *, BN_CTX *);
+  // for BoringSSL
+  size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *p,
+        point_conversion_form_t form,
+        unsigned char *buf, size_t len, BN_CTX *ctx);
+  // OpenSSL < 1.1.1
+  int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group,
+    const EC_POINT *p,
+    BIGNUM *x, BIGNUM *y, BN_CTX *ctx);
+  // OpenSSL >= 1.1.1
+  int EC_POINT_get_affine_coordinates(const EC_GROUP *group, const EC_POINT *p,
+    BIGNUM *x, BIGNUM *y, BN_CTX *ctx);
+  EC_POINT *EC_POINT_bn2point(const EC_GROUP *group, const BIGNUM *bn,
+    EC_POINT *p, BN_CTX *ctx);
+
+  point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *key);
+
+  const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *key);
+  int EC_KEY_set_private_key(EC_KEY *key, const BIGNUM *prv);
+
+  const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *key);
+  int EC_KEY_set_public_key(EC_KEY *key, const EC_POINT *pub);
+  int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x, BIGNUM *y);
+
+  const EC_GROUP *EC_KEY_get0_group(const EC_KEY *key);
+  int EC_KEY_set_group(EC_KEY *key, const EC_GROUP *group);
+]]