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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