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-rw-r--r--jni/jbcrypto.cpp15
1 files changed, 10 insertions, 5 deletions
diff --git a/jni/jbcrypto.cpp b/jni/jbcrypto.cpp
index 7413a313..2fd1262a 100644
--- a/jni/jbcrypto.cpp
+++ b/jni/jbcrypto.cpp
@@ -40,7 +40,7 @@ int jniThrowException(JNIEnv* env, const char* className, const char* msg) {
return 0;
}
-
+static char opensslerr[1024];
jbyteArray Java_de_blinkt_openvpn_core_NativeUtils_rsasign (JNIEnv* env, jclass, jbyteArray from, jint pkeyRef) {
// EVP_MD_CTX* ctx = reinterpret_cast<EVP_MD_CTX*>(ctxRef);
@@ -58,7 +58,7 @@ jbyteArray Java_de_blinkt_openvpn_core_NativeUtils_rsasign (JNIEnv* env, jclass,
if(data==NULL )
jniThrowException(env, "java/lang/NullPointerException", "data is null");
- unsigned int siglen;
+ int siglen;
unsigned char* sigret = (unsigned char*)malloc(RSA_size(pkey->pkey.rsa));
@@ -66,11 +66,16 @@ jbyteArray Java_de_blinkt_openvpn_core_NativeUtils_rsasign (JNIEnv* env, jclass,
// unsigned char *sigret, unsigned int *siglen, RSA *rsa);
// adapted from s3_clnt.c
- if (RSA_sign(NID_md5_sha1, (unsigned char*) data, datalen,
- sigret, &siglen, pkey->pkey.rsa) <= 0 )
+ /* if (RSA_sign(NID_md5_sha1, (unsigned char*) data, datalen,
+ sigret, &siglen, pkey->pkey.rsa) <= 0 ) */
+
+ siglen = RSA_private_encrypt(datalen,(unsigned char*) data,sigret,pkey->pkey.rsa,RSA_PKCS1_PADDING);
+
+ if (siglen < 0)
{
- jniThrowException(env, "java/security/InvalidKeyException", "rsa_sign went wrong, see logcat");
+ ERR_error_string_n(ERR_get_error(), opensslerr ,1024);
+ jniThrowException(env, "java/security/InvalidKeyException", opensslerr);
ERR_print_errors_fp(stderr);
return NULL;