NETSCAPE_SPKI *
NETSCAPE_SPKI_b64_decode(const char *str, int len)
{
unsigned char *spki_der;
const unsigned char *p;
int spki_len;
NETSCAPE_SPKI *spki;
if (len <= 0)
len = strlen(str);
if (!(spki_der = malloc(len + 1))) {
X509err(X509_F_NETSCAPE_SPKI_B64_DECODE, ERR_R_MALLOC_FAILURE);
return NULL;
}
spki_len = EVP_DecodeBlock(spki_der, (const unsigned char *)str, len);
if (spki_len < 0) {
X509err(X509_F_NETSCAPE_SPKI_B64_DECODE,
X509_R_BASE64_DECODE_ERROR);
free(spki_der);
return NULL;
}
p = spki_der;
spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len);
free(spki_der);
return spki;
}
NETSCAPE_SPKI * NETSCAPE_SPKI_b64_decode(const char *str, int len)
{
unsigned char *spki_der;
const unsigned char *p;
size_t spki_len;
NETSCAPE_SPKI *spki;
if (len <= 0)
len = strlen(str);
if (!EVP_DecodedLength(&spki_len, len)) {
OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_decode, X509_R_BASE64_DECODE_ERROR);
return NULL;
}
if (!(spki_der = OPENSSL_malloc(spki_len))) {
OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_decode, ERR_R_MALLOC_FAILURE);
return NULL;
}
if (!EVP_DecodeBase64(spki_der, &spki_len, spki_len, (const uint8_t *)str, len)) {
OPENSSL_PUT_ERROR(X509, NETSCAPE_SPKI_b64_decode, X509_R_BASE64_DECODE_ERROR);
OPENSSL_free(spki_der);
return NULL;
}
p = spki_der;
spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len);
OPENSSL_free(spki_der);
return spki;
}
/*
* call-seq:
* SPKI.new([request]) => spki
*
* === Parameters
* * +request+ - optional raw request, either in PEM or DER format.
*/
static VALUE
ossl_spki_initialize(int argc, VALUE *argv, VALUE self)
{
NETSCAPE_SPKI *spki;
VALUE buffer;
const unsigned char *p;
if (rb_scan_args(argc, argv, "01", &buffer) == 0) {
return self;
}
StringValue(buffer);
if (!(spki = NETSCAPE_SPKI_b64_decode(RSTRING_PTR(buffer), -1))) {
p = (unsigned char *)RSTRING_PTR(buffer);
if (!(spki = d2i_NETSCAPE_SPKI(NULL, &p, RSTRING_LEN(buffer)))) {
ossl_raise(eSPKIError, NULL);
}
}
NETSCAPE_SPKI_free(DATA_PTR(self));
DATA_PTR(self) = spki;
ERR_clear_error();
return self;
}
