frost/secp256k1-kmp
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Make use of libsecp256k1 for musig+frost functions

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Kgothatso 2024-08-01 02:45:16 +02:00
parent 600431caa1
commit 099dcccf49
2 changed files with 4 additions and 4 deletions
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4
jni/c/src/fr_acinq_secp256k1_Secp256k1CFunctions.c
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@ -1011,7 +1011,7 @@ JNIEXPORT jbyteArray JNICALL Java_fr_acinq_secp256k1_Secp256k1CFunctions_secp256
(*penv)->ReleaseByteArrayElements(penv, jpubkey, pub, 0); (*penv)->ReleaseByteArrayElements(penv, jpubkey, pub, 0);
CHECKRESULT1(!result, "secp256k1_ec_pubkey_parse failed", free_pubkeys(pubkeys, count)); CHECKRESULT1(!result, "secp256k1_ec_pubkey_parse failed", free_pubkeys(pubkeys, count));
} }
result = secp256k1_musig_pubkey_agg(ctx, &combined, jkeyaggcache == NULL ? NULL : &keyaggcache, (const secp256k1_pubkey *const *)pubkeys, count); result = secp256k1_musig_pubkey_agg(ctx, NULL, &combined, jkeyaggcache == NULL ? NULL : &keyaggcache, (const secp256k1_pubkey *const *)pubkeys, count);
free_pubkeys(pubkeys, count); free_pubkeys(pubkeys, count);
CHECKRESULT(!result, "secp256k1_musig_pubkey_agg failed"); CHECKRESULT(!result, "secp256k1_musig_pubkey_agg failed");
@ -1157,7 +1157,7 @@ JNIEXPORT jbyteArray JNICALL Java_fr_acinq_secp256k1_Secp256k1CFunctions_secp256
copy_bytes_from_java(penv, jmsg32, 32, msg32); copy_bytes_from_java(penv, jmsg32, 32, msg32);
copy_bytes_from_java(penv, jkeyaggcache, fr_acinq_secp256k1_Secp256k1CFunctions_SECP256K1_MUSIG_KEYAGG_CACHE_SIZE, keyaggcache.data); copy_bytes_from_java(penv, jkeyaggcache, fr_acinq_secp256k1_Secp256k1CFunctions_SECP256K1_MUSIG_KEYAGG_CACHE_SIZE, keyaggcache.data);
result = secp256k1_musig_nonce_process(ctx, &session, &aggnonce, msg32, &keyaggcache); result = secp256k1_musig_nonce_process(ctx, &session, &aggnonce, msg32, &keyaggcache, NULL);
CHECKRESULT(!result, "secp256k1_musig_nonce_process failed"); CHECKRESULT(!result, "secp256k1_musig_nonce_process failed");
jsession = (*penv)->NewByteArray(penv, fr_acinq_secp256k1_Secp256k1CFunctions_SECP256K1_MUSIG_SESSION_SIZE); jsession = (*penv)->NewByteArray(penv, fr_acinq_secp256k1_Secp256k1CFunctions_SECP256K1_MUSIG_SESSION_SIZE);

4
src/nativeMain/kotlin/fr/acinq/secp256k1/Secp256k1Native.kt
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@ -347,7 +347,7 @@ public object Secp256k1Native : Secp256k1 {
memcpy(n.ptr, toNat(it), Secp256k1.MUSIG2_PUBLIC_KEYAGG_CACHE_SIZE.toULong()) memcpy(n.ptr, toNat(it), Secp256k1.MUSIG2_PUBLIC_KEYAGG_CACHE_SIZE.toULong())
n n
} }
secp256k1_musig_pubkey_agg(ctx, combined.ptr, nKeyAggCache?.ptr, nPubkeys.toCValues(), pubkeys.size.convert()).requireSuccess("secp256k1_musig_nonce_agg() failed") secp256k1_musig_pubkey_agg(ctx, null, combined.ptr, nKeyAggCache?.ptr, nPubkeys.toCValues(), pubkeys.size.convert()).requireSuccess("secp256k1_musig_nonce_agg() failed")
val agg = serializeXonlyPubkey(combined) val agg = serializeXonlyPubkey(combined)
keyaggCache?.let { blob -> nKeyAggCache?.let { memcpy(toNat(blob), it.ptr, Secp256k1.MUSIG2_PUBLIC_KEYAGG_CACHE_SIZE.toULong()) } } keyaggCache?.let { blob -> nKeyAggCache?.let { memcpy(toNat(blob), it.ptr, Secp256k1.MUSIG2_PUBLIC_KEYAGG_CACHE_SIZE.toULong()) } }
return agg return agg
@ -390,7 +390,7 @@ public object Secp256k1Native : Secp256k1 {
val nSession = alloc<secp256k1_musig_session>() val nSession = alloc<secp256k1_musig_session>()
val nAggnonce = alloc<secp256k1_musig_aggnonce>() val nAggnonce = alloc<secp256k1_musig_aggnonce>()
secp256k1_musig_aggnonce_parse(ctx, nAggnonce.ptr, toNat(aggnonce)).requireSuccess("secp256k1_musig_aggnonce_parse() failed") secp256k1_musig_aggnonce_parse(ctx, nAggnonce.ptr, toNat(aggnonce)).requireSuccess("secp256k1_musig_aggnonce_parse() failed")
secp256k1_musig_nonce_process(ctx, nSession.ptr, nAggnonce.ptr, toNat(msg32), nKeyAggCache.ptr).requireSuccess("secp256k1_musig_nonce_process() failed") secp256k1_musig_nonce_process(ctx, nSession.ptr, nAggnonce.ptr, toNat(msg32), nKeyAggCache.ptr, null).requireSuccess("secp256k1_musig_nonce_process() failed")
val session = ByteArray(Secp256k1.MUSIG2_PUBLIC_SESSION_SIZE) val session = ByteArray(Secp256k1.MUSIG2_PUBLIC_SESSION_SIZE)
memcpy(toNat(session), nSession.ptr, Secp256k1.MUSIG2_PUBLIC_SESSION_SIZE.toULong()) memcpy(toNat(session), nSession.ptr, Secp256k1.MUSIG2_PUBLIC_SESSION_SIZE.toULong())
return session return session