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improve ECDH header-doc

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- use pubkey instead of point
- use privkey instead of scalar
This commit is contained in:
Jonas Schnelli 2015-10-05 12:50:11 +02:00
parent cc3141a003
commit 37100d7284
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1 changed files with 8 additions and 7 deletions
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9
include/secp256k1_ecdh.h
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@ -13,14 +13,15 @@ extern "C" {
* Args: ctx: pointer to a context object (cannot be NULL) * Args: ctx: pointer to a context object (cannot be NULL)
* Out: result: a 32-byte array which will be populated by an ECDH * Out: result: a 32-byte array which will be populated by an ECDH
* secret computed from the point and scalar * secret computed from the point and scalar
* In: point: pointer to a public point * In: pubkey: a pointer to a secp256k1_pubkey containing an
* scalar: a 32-byte scalar with which to multiply the point * initialized public key
* privkey: a 32-byte scalar with which to multiply the point
*/ */
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdh( SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdh(
const secp256k1_context* ctx, const secp256k1_context* ctx,
unsigned char *result, unsigned char *result,
const secp256k1_pubkey *point, const secp256k1_pubkey *pubkey,
const unsigned char *scalar const unsigned char *privkey
) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4); ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);
# ifdef __cplusplus # ifdef __cplusplus