Gerhard Gappmeier wrote:
Hi,
I try to read subjectAltName, but ASN1_STRING_to_UTF8 seems not to work.
For the X509_NAME entries the same procedure works,
but this ASN1_STRING seems to be different.
In the debugger I can already see the ASN1_STRING:
pString->length = 43
pString->type = 4
pString->data = "0)† urn:xxxxx:bla‚ xxxxxxx"
pString->flags = 0
Code snippet:
UaPkiCertificateInfo UaPkiCertificate::info() const
{
UaPkiCertificateInfo ret;
X509_EXTENSION *pExt;
char *pBuffer = 0;
int length = 0;
int loc = X509_get_ext_by_NID(m_pCert, NID_subject_alt_name, -1);
pExt = X509_get_ext(m_pCert, loc);
if (pExt)
{
ASN1_STRING *pString = X509_EXTENSION_get_data(pExt);
length = ASN1_STRING_to_UTF8((unsigned char**)&pBuffer, pString);
ret.subjectAltName = pBuffer;
OPENSSL_free(pBuffer);
}
return ret;
}
regards,
Gerhard
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Hello,
TO get data from X509V3 cert, i use bio function :
BIO *bio = BIO_new(BIO_s_mem());
X509_EXTENSION * ex = X509_get_ext( _d_cert,i); // get
the type
if(!X509V3_EXT_print(bio, ex, 0, 0)) // read the text of this
extention
M_ASN1_OCTET_STRING_print(bio,ex->value);
len = BIO_read(bio, buffer, BUFFER_SIZE);// here buffer contain
the text, len the lenght of it.
buffer[len] = '\0'; // add the EOT sign, buffer
contain a readable text.
Hope it can help you ;)
______________________________________________________________________
OpenSSL Project http://www.openssl.org
User Support Mailing List openssl-users@openssl.org
Automated List Manager [EMAIL PROTECTED]
