On Tue, 13 Jun 2006, Girish Venkatachalam wrote:
> Sorry I was wrong. d2i indeed resolves to
> d2i_RSAPrivateKey() which takes 3 parameters and
> passes the first type parameter to d2i_PrivateKey()
> which takes 4 parameters.
>
> But it beats me why I cannot find the definition of
> d2i_RSAPrivateKey() anywhere.
Isn't it always a pleasure to try finding where something is defined in
OpenSSL?
It is in crypto/rsa/rsa_asn1.c, defined through a macro
IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname
(I think the easies way to find these things is to build the library and
then look for the object file where the function is defined)
>
> --- Rajeshwar Singh Jenwar <[EMAIL PROTECTED]> wrote:
>
> > how come ? plz explain.
> >
> > On 6/13/06, Girish Venkatachalam
> > <[EMAIL PROTECTED]> wrote:
> > >
> > > bcoz d2i resolves to d2i_X509() , not to
> > > d2i_PrivateKey
> > >
> > > --- ?????? ???????????? <[EMAIL PROTECTED]>
> > wrote:
> > >
> > > > when i use PEM_read_PrivateKey find it work
> > error
> > > > ,so i look into
> > > > PEM_read_PrivateKey to find the reason.
> > > > first i find in
> > > > #define PEM_read_PrivateKey(fp,x,cb,u)
> > (EVP_PKEY
> > > > *)PEM_ASN1_read( \
> > > > (char
> > > >
> > *(*)())d2i_PrivateKey,PEM_STRING_EVP_PKEY,fp,(char
> > > > **)x,cb,u)
> > > > next i find in
> > > > void *PEM_ASN1_read(d2i_of_void *d2i, const char
> > > > *name, FILE *fp, void **x,
> > > > pem_password_cb *cb, void *u)
> > > > {
> > > > BIO *b;
> > > > void *ret;
> > > >
> > > > if ((b=BIO_new(BIO_s_file())) == NULL)
> > > > {
> > > >
> > PEMerr(PEM_F_PEM_ASN1_READ,ERR_R_BUF_LIB);
> > > > return(0);
> > > > }
> > > > BIO_set_fp(b,fp,BIO_NOCLOSE);
> > > >
> > ret=PEM_ASN1_read_bio(d2i,name,b,x,cb,u);
> > > > BIO_free(b);
> > > > return(ret);
> > > > }
> > > > then i goto
> > > > void *PEM_ASN1_read_bio(d2i_of_void *d2i, const
> > char
> > > > *name, BIO *bp, void
> > > > **x,
> > > > pem_password_cb *cb, void
> > *u)
> > > > {
> > > > const unsigned char *p=NULL;
> > > > unsigned char *data=NULL;
> > > > long len;
> > > > char *ret=NULL;
> > > >
> > > > if (!PEM_bytes_read_bio(&data, &len, NULL,
> > name,
> > > > bp, cb, u))
> > > > return NULL;
> > > > p = data;
> > > > ret=d2i(x,&p,len);
> > > > if (ret == NULL)
> > > >
> > PEMerr(PEM_F_PEM_ASN1_READ_BIO,ERR_R_ASN1_LIB);
> > > > OPENSSL_free(data);
> > > > return(ret);
> > > > }
> > > > i found the ret=d2i(x,&p,len);
> > > > but the function is
> > > > EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a,
> > > > const unsigned char **pp,
> > > > long length)
> > > > i think d2i must have 4 parameter but is only
> > > > three,why? Thanks a lot!
> > > >
> > > >
> > >
> >
> _________________________________________________________________
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> > > >
> > > >
> > >
> >
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