int
CA_STEP6_derive_keys(EAC_CTX *ctx, const BUF_MEM *nonce, const BUF_MEM *token)
{
int rv = -1;
check((ctx && ctx->ca_ctx), "Invalid arguments");
if (!KA_CTX_derive_keys(ctx->ca_ctx->ka_ctx, nonce, ctx->md_ctx))
goto err;
rv = verify_authentication_token(ctx->ca_ctx->protocol,
ctx->ca_ctx->ka_ctx,
ctx->bn_ctx, ctx->tr_version, token);
check(rv >= 0, "Failed to verify authentication token");
/* PACE, TA and CA were successful. Update the trust anchor! */
if (rv) {
if (ctx->ta_ctx->new_trust_anchor) {
CVC_CERT_free(ctx->ta_ctx->trust_anchor);
ctx->ta_ctx->trust_anchor = ctx->ta_ctx->new_trust_anchor;
ctx->ta_ctx->new_trust_anchor = NULL;
}
}
err:
return rv;
}
int
PACE_STEP3D_verify_authentication_token(const EAC_CTX *ctx, const BUF_MEM *token)
{
if (!ctx || !token|| !ctx->pace_ctx) {
log_err("Invalid arguments");
return -1;
}
return verify_authentication_token(ctx->pace_ctx->protocol,
ctx->pace_ctx->ka_ctx, ctx->bn_ctx, ctx->tr_version,
token);
}
