sm3hash_tosm2() 栈溢出报错

app/src/main/cpp/SpiLib.cpp

@@ -732,12 +732,12 @@ int SpiLIb::SM2InPri(int index,const unsigned char new_key[])//导入私钥 没
     return 0;
 }
 
-int SpiLIb::SM3Hash(const unsigned char *to_hash ,int len,unsigned char *out_hash)//原始哈希 跑通了，没有验证
+int SpiLIb::SM3Hash(unsigned char *to_hash ,int len,unsigned char *out_hash)//原始哈希 跑通了，没有验证
 {
     int i;
     int cnt;
-    unsigned char txbuf[256];
-    unsigned char rxbuf[256];
+    unsigned char txbuf[512];
+    unsigned char rxbuf[512];
 
     int retval;
     int msglen;
@@ -799,9 +799,9 @@ int SpiLIb::SM3Hash(const unsigned char *to_hash ,int len,unsigned char *out_has
 
     RcvData(fd, txbuf, rxbuf+2);
 
-    RcvSW(fd, txbuf, rxbuf+2+rxbuf[1], 0x90);//?
+    RcvSW(fd, txbuf, rxbuf+2+rxbuf[1], 0x90);
 
-    __android_log_print(ANDROID_LOG_INFO, "SPi", "rx %1d bytes:", rxbuf[1]+4);
+    //__android_log_print(ANDROID_LOG_INFO, "SPi", "rx %1d bytes:", rxbuf[1]+4);
     for (i = 2; i < rxbuf[1]+2; i++) {
         //sprintf(output, " %02x ", rxbuf[i]);
         out_hash[i-2]= rxbuf[i];

app/src/main/cpp/SpiLib.h

@@ -12,11 +12,11 @@ public:
     int SM2OutPri(int index,unsigned char result[]);
     int SM2InPub(int index,const unsigned char new_key[]);
     int SM2InPri(int index,const unsigned char new_key[]);
-    int SM3Hash(const unsigned char *to_hash ,int len,unsigned char *out_hash);
+    int SM3Hash(unsigned char *to_hash ,int len,unsigned char *out_hash);
     int sm3hash_tosm2(unsigned char *in,int inl,unsigned char *out, unsigned char *pubkey, unsigned char
     *pucID, int idl);
     int SM2Sign(int index,const unsigned char *to_sign,unsigned char *out_sign);
-    int SM2VerifySign(int index,unsigned char *hash,unsigned char *vs)
+    int SM2VerifySign(int index,unsigned char *hash,unsigned char *vs);
 
 
 

app/src/main/cpp/native-lib.cpp

@@ -9,8 +9,6 @@
 #include <linux/spi/spidev.h>
 #include <android/log.h>
 
-int testSpi();
-int testVersion();
 
 
 class NrsecSpiPort : public SpiPort {
@@ -73,22 +71,31 @@ Java_com_xinyingpower_testcomm_MainActivity_testSpi(
         jobject /* this */, jint port) {
     //testSpi();
     SpiLIb a;
-    const unsigned char newkey[64]={0xaf,0x0c,0xa9,0x40,0x1f,0xe6,0xee,0x0f,0x4c,
+    unsigned char newkey[64]={0xaf,0x0c,0xa9,0x40,0x1f,0xe6,0xee,0x0f,0x4c,
                                      0xfb,0xf7,0x17,0x71,0xde,0x61,0x59
-//                                     ,0x0a,0x05,0x77,
-//                                     0xfa,0xe7,0xd1,0x8d,0x10,0x3a,0x79,0x23,0xf2,0xb3,
-//                                     0x6d,0xea,0x8e,0xe0,0x64,0xe7,0x5d,0x49,0x84,0xe4,
-//                                     0x5f,0xc9,0x07,0x03,0x52,0x33,0x79,0x87,0xd4,0x62,
-//                                     0x62,0xc0,0xcc,0xf0,0xd6,0x85,0x20,0x7f,0x7a,0xe8,
-//                                     0xc8,0xed,0x12,0xdb,0xdc
+                                     ,0x0a,0x05,0x77,
+                                     0xfa,0xe7,0xd1,0x8d,0x10,0x3a,0x79,0x23,0xf2,0xb3,
+                                     0x6d,0xea,0x8e,0xe0,0x64,0xe7,0x5d,0x49,0x84,0xe4,
+                                     0x5f,0xc9,0x07,0x03,0x52,0x33,0x79,0x87,0xd4,0x62,
+                                     0x62,0xc0,0xcc,0xf0,0xd6,0x85,0x20,0x7f,0x7a,0xe8,
+                                     0xc8,0xed,0x12,0xdb,0xdc
     };
-    unsigned char outpub[32];
+    unsigned char outpub[32],outsign[64];
+    unsigned char pucid[16]={0x01,0x01,0x01,0x01,0x01,0x01,0x01,
+                             0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01};
     //a.SM2keypair(0x00);
-    a.SM3Hash(newkey,16, outpub);
+    //a.SM3Hash(newkey,16, outpub);
+    a.sm3hash_tosm2(newkey,16,outpub,newkey,pucid,16);
+    a.SM2Sign(0x00,outpub,outsign);
+    a.SM2VerifySign(0x00,outpub,outsign);
     for (int i = 0; i < 32; i++) {
         //sprintf(output, " %02x ", rxbuf[i]);
         __android_log_print(ANDROID_LOG_INFO, "SPi", "%02x", outpub[i]);
     }
+    for (int i = 0; i < 64; i++) {
+        //sprintf(output, " %02x ", rxbuf[i]);
+        __android_log_print(ANDROID_LOG_INFO, "SPi", "%02x", outsign[i]);
+    }
 
     //a.SM3Hash(0x00,0x10,newkey);
     //testVersion();