diff options
Diffstat (limited to 'src/secp256k1/include/secp256k1_ellswift.h')
| -rw-r--r-- | src/secp256k1/include/secp256k1_ellswift.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/secp256k1/include/secp256k1_ellswift.h b/src/secp256k1/include/secp256k1_ellswift.h index 3851f93098..f79bd88396 100644 --- a/src/secp256k1/include/secp256k1_ellswift.h +++ b/src/secp256k1/include/secp256k1_ellswift.h @@ -41,6 +41,8 @@ extern "C" { * - The paper uses an additional encoding bit for the parity of y. Here the * parity of t is used (negating t does not affect the decoded x coordinate, * so this is possible). + * + * For mathematical background about the scheme, see the doc/ellswift.md file. */ /** A pointer to a function used by secp256k1_ellswift_xdh to hash the shared X @@ -70,7 +72,7 @@ typedef int (*secp256k1_ellswift_xdh_hash_function)( /** An implementation of an secp256k1_ellswift_xdh_hash_function which uses * SHA256(prefix64 || ell_a64 || ell_b64 || x32), where prefix64 is the 64-byte * array pointed to by data. */ -SECP256K1_API_VAR const secp256k1_ellswift_xdh_hash_function secp256k1_ellswift_xdh_hash_function_prefix; +SECP256K1_API const secp256k1_ellswift_xdh_hash_function secp256k1_ellswift_xdh_hash_function_prefix; /** An implementation of an secp256k1_ellswift_xdh_hash_function compatible with * BIP324. It returns H_tag(ell_a64 || ell_b64 || x32), where H_tag is the @@ -78,7 +80,7 @@ SECP256K1_API_VAR const secp256k1_ellswift_xdh_hash_function secp256k1_ellswift_ * to secp256k1_ellswift_xdh_hash_function_prefix with prefix64 set to * SHA256("bip324_ellswift_xonly_ecdh")||SHA256("bip324_ellswift_xonly_ecdh"). * The data argument is ignored. */ -SECP256K1_API_VAR const secp256k1_ellswift_xdh_hash_function secp256k1_ellswift_xdh_hash_function_bip324; +SECP256K1_API const secp256k1_ellswift_xdh_hash_function secp256k1_ellswift_xdh_hash_function_bip324; /** Construct a 64-byte ElligatorSwift encoding of a given pubkey. * @@ -159,7 +161,7 @@ SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ellswift_create( /** Given a private key, and ElligatorSwift public keys sent in both directions, * compute a shared secret using x-only Elliptic Curve Diffie-Hellman (ECDH). * - * Returns: 1: shared secret was succesfully computed + * Returns: 1: shared secret was successfully computed * 0: secret was invalid or hashfp returned 0 * Args: ctx: pointer to a context object. * Out: output: pointer to an array to be filled by hashfp. |