Hi,
you used the ASCII representation of the key, instead of the real key.
Same with iv.
On Tue, Nov 17, 2009 at 02:43:48AM -0800, NaGaGo wrote:
>
> Hai
> this is the openssl shell command i'm using to decrypt a binary file...
> openssl enc -d -K
> 3834373532303435333730323834383132373330393233343531323330383839 -iv
> 36363333383630393433313132323031 -aes-256-cbc-in final2.bin -out test.zip
> As my target doesnot support openssl commd i was asked to write decryption
> code using some API's and create a binary ...so I decided to write it using
> AES API's
> Here is my code please tell me where I went wrong...thanks in advance.
> int main()
> {
>
> unsigned long lSize;
> FILE * inFile;
> FILE * outFile;
> size_t n,m;
> char * pTemp;
> char * buffer;
> const AES_KEY *key;
> inFile = fopen("SB2.bin", "rb");
> outFile = fopen("finalPackResult", "wb+");
>
> unsigned char uKey[]=
> "3834373532303435333730323834383132373330393233343531323330383839";
unsigned char uKey[]= "84752045370284812730923451230889";
> unsigned char iv[] = "36363333383630393433313132323031";
unsigned char iv[] = "6633860943112201";
> /* get file size and allocate memory to buffer */
> fseek (inFile , 0,SEEK_END);
> lSize = ftell (inFile);
> rewind (inFile);
Maybe:
struct stat st;
fstat(fileno(inFile), &st);
lSize = st.st_size;
is saner than bouncing the filepos ?
Christian
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