1 files changed, 0 insertions, 63 deletions
diff --git a/include/secp256k1_ecdh.h b/include/secp256k1_ecdh.h
deleted file mode 100644
index 4d9da34..0000000
--- a/include/secp256k1_ecdh.h
+++ /dev/null
@@ -1,63 +0,0 @@
-#ifndef SECP256K1_ECDH_H
-#define SECP256K1_ECDH_H
-
-#include "secp256k1.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/** A pointer to a function that hashes an EC point to obtain an ECDH secret
- *
- *  Returns: 1 if the point was successfully hashed.
- *           0 will cause secp256k1_ecdh to fail and return 0.
- *           Other return values are not allowed, and the behaviour of
- *           secp256k1_ecdh is undefined for other return values.
- *  Out:     output:     pointer to an array to be filled by the function
- *  In:      x32:        pointer to a 32-byte x coordinate
- *           y32:        pointer to a 32-byte y coordinate
- *           data:       arbitrary data pointer that is passed through
- */
-typedef int (*secp256k1_ecdh_hash_function)(
-  unsigned char *output,
-  const unsigned char *x32,
-  const unsigned char *y32,
-  void *data
-);
-
-/** An implementation of SHA256 hash function that applies to compressed public key.
- * Populates the output parameter with 32 bytes. */
-SECP256K1_API const secp256k1_ecdh_hash_function secp256k1_ecdh_hash_function_sha256;
-
-/** A default ECDH hash function (currently equal to secp256k1_ecdh_hash_function_sha256).
- * Populates the output parameter with 32 bytes. */
-SECP256K1_API const secp256k1_ecdh_hash_function secp256k1_ecdh_hash_function_default;
-
-/** Compute an EC Diffie-Hellman secret in constant time
- *
- *  Returns: 1: exponentiation was successful
- *           0: scalar was invalid (zero or overflow) or hashfp returned 0
- *  Args:    ctx:        pointer to a context object.
- *  Out:     output:     pointer to an array to be filled by hashfp.
- *  In:      pubkey:     pointer to a secp256k1_pubkey containing an initialized public key.
- *           seckey:     a 32-byte scalar with which to multiply the point.
- *           hashfp:     pointer to a hash function. If NULL,
- *                       secp256k1_ecdh_hash_function_sha256 is used
- *                       (in which case, 32 bytes will be written to output).
- *           data:       arbitrary data pointer that is passed through to hashfp
- *                       (can be NULL for secp256k1_ecdh_hash_function_sha256).
- */
-SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdh(
-  const secp256k1_context *ctx,
-  unsigned char *output,
-  const secp256k1_pubkey *pubkey,
-  const unsigned char *seckey,
-  secp256k1_ecdh_hash_function hashfp,
-  void *data
-) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* SECP256K1_ECDH_H */