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/* ISC license. */
#include <errno.h>
#include <bearssl.h>
#include <skalibs/stralloc.h>
#include <s6-networking/sbearssl.h>
#include "sbearssl-internal.h"
int sbearssl_ec_issuer_keytype (int *kt, br_x509_certificate const *cert)
{
br_x509_decoder_context ctx ;
stralloc sa = STRALLOC_ZERO ;
struct sbearssl_strallocerr_s blah = { .sa = &sa } ;
int r = -1 ;
br_x509_decoder_init(&ctx, &sbearssl_append, &blah) ;
br_x509_decoder_push(&ctx, cert->data, cert->data_len) ;
if (blah.err)
{
errno = blah.err ;
goto fail ;
}
r = br_x509_decoder_last_error(&ctx) ;
if (r) goto fail ;
r = br_x509_decoder_get_signer_key_type(&ctx) ;
if (!r)
{
r = -2 ;
goto fail ;
}
stralloc_free(&sa) ;
*kt = r ;
return 0 ;
fail:
stralloc_free(&sa) ;
return r ;
}
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