diff options
| -rw-r--r-- | standalone/src/main/resources/cz/crcs/ectester/standalone/libs/jni/gcrypt.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/standalone/src/main/resources/cz/crcs/ectester/standalone/libs/jni/gcrypt.c b/standalone/src/main/resources/cz/crcs/ectester/standalone/libs/jni/gcrypt.c index 705a873..0c141dd 100644 --- a/standalone/src/main/resources/cz/crcs/ectester/standalone/libs/jni/gcrypt.c +++ b/standalone/src/main/resources/cz/crcs/ectester/standalone/libs/jni/gcrypt.c @@ -181,8 +181,11 @@ static jobject mpi_to_biginteger(JNIEnv *env, gcry_mpi_t mpi) { return NULL; } - jmethodID biginteger_init = (*env)->GetMethodID(env, biginteger_class, "<init>", "(I[B)V"); jbyteArray bytes = mpi_to_bytearray(env, mpi); + if (!bytes) { + return NULL; + } + jmethodID biginteger_init = (*env)->GetMethodID(env, biginteger_class, "<init>", "(I[B)V"); jobject result = (*env)->NewObject(env, biginteger_class, biginteger_init, 1, bytes); return result; } @@ -245,7 +248,11 @@ static jobject create_ec_param_spec(JNIEnv *env, gcry_sexp_t key) { jmethodID fp_field_init = (*env)->GetMethodID(env, fp_field_class, "<init>", "(Ljava/math/BigInteger;)V"); jobject field = (*env)->NewObject(env, fp_field_class, fp_field_init, pi); - jobject ai = mpi_to_biginteger(env, a); + jobject ai = mpi_to_biginteger(env, a); + if (!ai) { + jmethodID biginteger_valueof = (*env)->GetStaticMethodID(env, biginteger_class, "valueOf", "(J)Ljava/math/BigInteger;"); + ai = (*env)->CallStaticObjectMethod(env, biginteger_class, biginteger_valueof, (jlong)0); + } jobject bi = mpi_to_biginteger(env, b); jmethodID elliptic_curve_init = (*env)->GetMethodID(env, elliptic_curve_class, "<init>", "(Ljava/security/spec/ECField;Ljava/math/BigInteger;Ljava/math/BigInteger;)V"); |