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Added secp256k1_ecdh().

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cheatfate 2018-03-16 11:17:10 +02:00
parent e0f371e770
commit 2c4c49fd3d
1 changed files with 13 additions and 0 deletions
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secp256k1.nim
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@ -253,3 +253,16 @@ proc secp256k1_ecdsa_recoverable_signature_serialize_compact*(
## recid: a pointer to an integer to hold the recovery id (can be NULL).
## In: sig: a pointer to an initialized signature object (cannot be NULL)
##
proc secp256k1_ecdh*(ctx: ptr secp256k1_context; output32: ptr cuchar;
pubkey: ptr secp256k1_pubkey;
input32: ptr cuchar): cint {.secp.}
## Compute an EC Diffie-Hellman secret in constant time
## Returns: 1: exponentiation was successful
## 0: scalar was invalid (zero or overflow)
## Args: ctx: pointer to a context object (cannot be NULL)
## Out: result: a 32-byte array which will be populated by an ECDH
## secret computed from the point and scalar
## In: pubkey: a pointer to a secp256k1_pubkey containing an
## initialized public key
## privkey: a 32-byte scalar with which to multiply the point