tomFlowee
c63519fa47
The leveldb and univalue 3rd party libraries are not installed and not needed by anyone outside of the Hub. So move them there, making it easier for 3rd party usage.
32 lines
1.0 KiB
C
32 lines
1.0 KiB
C
#ifndef SECP256K1_ECDH_H
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#define SECP256K1_ECDH_H
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#include "secp256k1.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Compute an EC Diffie-Hellman secret in constant time
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* Returns: 1: exponentiation was successful
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* 0: scalar was invalid (zero or overflow)
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* Args: ctx: pointer to a context object (cannot be NULL)
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* Out: result: a 32-byte array which will be populated by an ECDH
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* secret computed from the point and scalar
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* In: pubkey: a pointer to a secp256k1_pubkey containing an
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* initialized public key
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* privkey: a 32-byte scalar with which to multiply the point
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*/
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SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdh(
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const secp256k1_context* ctx,
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unsigned char *result,
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const secp256k1_pubkey *pubkey,
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const unsigned char *privkey
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) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);
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#ifdef __cplusplus
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}
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#endif
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#endif /* SECP256K1_ECDH_H */
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