gcm_cb
counter = ntohll(ctx->gcm_cb[1] & counter_mask);
ctx->gcm_cb[1] = (ctx->gcm_cb[1] & ~counter_mask) | counter;
encrypt_block(ctx->gcm_keysched, (uint8_t *)ctx->gcm_cb,
counter = ntohll(ctx->gcm_cb[1] & counter_mask);
ctx->gcm_cb[1] = (ctx->gcm_cb[1] & ~counter_mask) | counter;
encrypt_block(ctx->gcm_keysched, (uint8_t *)ctx->gcm_cb,
counter = ntohll(ctx->gcm_cb[1] & counter_mask);
ctx->gcm_cb[1] = (ctx->gcm_cb[1] & ~counter_mask) | counter;
encrypt_block(ctx->gcm_keysched, (uint8_t *)ctx->gcm_cb, counterp);
counter = ntohll(ctx->gcm_cb[1] & counter_mask);
ctx->gcm_cb[1] = (ctx->gcm_cb[1] & ~counter_mask) | counter;
encrypt_block(ctx->gcm_keysched, (uint8_t *)ctx->gcm_cb, cbp);
cb = (uint8_t *)ctx->gcm_cb;