Azlan wrote:
>
> Hello every one..I'm working with an application in which a module should
> read a "pem" certificate successfully.I've written 2 types of programs,
> but both are failing(PEM_read constantly returning null )..here are my
> codes..
>
>
> #include<stdio.h>
> #include <string.h>
> #include <openssl/crypto.h>
> #include <openssl/err.h>
> #include <openssl/bio.h>
> #include <openssl/evp.h>
> #include <openssl/objects.h>
> #include <openssl/x509.h>
> #include <openssl/pem.h>
> int main( int argc,char *argv[])
> {
> FILE *fp;
> X509 *x=X509_new();
> if(x==NULL)
> printf("error\n");
>
> fp=fopen(argv[1],"r");
> PEM_read_X509(fp,&x,NULL,NULL);
> if(x==NULL)
> printf("error reading \n");
> else
> printf("reading success\n");
> fclose(fp);
> X509_free(x);
> return(0);
> }
>
>
> here is my second one..using "bio"
>
> do
> {
> X509 *x509Cert /*=X509_new(); result is same even if this
> statement is X509 *x509Cert = X509_new(); */
> BIO *cert;
> if ((cert=BIO_new(BIO_s_file())) == NULL)
> {
> printf("Error Initializing BIO pointer");
> break;
> }
>
> if (BIO_read_filename(cert,argv[1]) <= 0)
> {
> printf("Error opening file\n");
> break;
> }
>
> if (PEM_read_bio_X509(cert,&x509Cert,NULL,NULL)!=NULL)
> {
> printf("\nReading from file success!\n");
> }
>
> }while(0);
>
> Both programs are returning "NULL " out of PEM_read.
> Even though i found similar post sabout PEM_read, none of them is solving
> my problem..please help me with this..
>
> Thank you in advance.
>
Sorry..I forgot to mention something..
In my first program,the result would be "reading success"..the problem is
PEM_read_X509(fp,&x,NULL,NULL)
is not returning valid X509 into "x"(it's returning null..u can check by
if(PEM_read_X509(fp,&x,NULL,NULL)==NULL).Even after the call of function
PEM_read; x has the previous value(X509_new() which is not null).Thats why
out put is "reading success."
Please help me getting out of this.
Thanks.
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