diff options
author | Gustav Simonsson <gustav.simonsson@gmail.com> | 2015-09-28 23:46:17 +0800 |
---|---|---|
committer | Gustav Simonsson <gustav.simonsson@gmail.com> | 2015-09-28 23:46:38 +0800 |
commit | 1d20b0247c35f440d3fdc3d21de19b2d5256c3cf (patch) | |
tree | be0bce533d5d476e4f408d1d7757b9ac416463ae /crypto/secp256k1/libsecp256k1/src/java/org_bitcoin_NativeSecp256k1.c | |
parent | 7977e87ce1e9ec46a8e8275f4cf53b6281c412c7 (diff) | |
download | go-tangerine-1d20b0247c35f440d3fdc3d21de19b2d5256c3cf.tar.gz go-tangerine-1d20b0247c35f440d3fdc3d21de19b2d5256c3cf.tar.zst go-tangerine-1d20b0247c35f440d3fdc3d21de19b2d5256c3cf.zip |
Update libsecp256k1
Diffstat (limited to 'crypto/secp256k1/libsecp256k1/src/java/org_bitcoin_NativeSecp256k1.c')
-rw-r--r-- | crypto/secp256k1/libsecp256k1/src/java/org_bitcoin_NativeSecp256k1.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/crypto/secp256k1/libsecp256k1/src/java/org_bitcoin_NativeSecp256k1.c b/crypto/secp256k1/libsecp256k1/src/java/org_bitcoin_NativeSecp256k1.c new file mode 100644 index 000000000..bb4cd7072 --- /dev/null +++ b/crypto/secp256k1/libsecp256k1/src/java/org_bitcoin_NativeSecp256k1.c @@ -0,0 +1,23 @@ +#include "org_bitcoin_NativeSecp256k1.h" +#include "include/secp256k1.h" + +JNIEXPORT jint JNICALL Java_org_bitcoin_NativeSecp256k1_secp256k1_1ecdsa_1verify + (JNIEnv* env, jclass classObject, jobject byteBufferObject) +{ + unsigned char* data = (unsigned char*) (*env)->GetDirectBufferAddress(env, byteBufferObject); + int sigLen = *((int*)(data + 32)); + int pubLen = *((int*)(data + 32 + 4)); + + return secp256k1_ecdsa_verify(data, 32, data+32+8, sigLen, data+32+8+sigLen, pubLen); +} + +static void __javasecp256k1_attach(void) __attribute__((constructor)); +static void __javasecp256k1_detach(void) __attribute__((destructor)); + +static void __javasecp256k1_attach(void) { + secp256k1_start(SECP256K1_START_VERIFY); +} + +static void __javasecp256k1_detach(void) { + secp256k1_stop(); +} |