kg_verify_checksum_v1
kg_verify_checksum_v1(krb5_context context, uint16_t signalg, krb5_key key,
if (!kg_verify_checksum_v1(context, signalg, ctx->seq, KG_USAGE_SIGN,
if (!kg_verify_checksum_v1(context, signalg, ctx->seq, usage, header,