__hmac_sha256_preparekey
__hmac_sha256_preparekey(&key->key.istate, &key->key.ostate,
__hmac_sha256_preparekey(&key->key.istate, &key->key.ostate,
__hmac_sha256_preparekey(&ctx->ctx.sha_ctx.state, &ctx->ctx.ostate,
__hmac_sha256_preparekey(&ctx->ctx.sha_ctx.state, &ctx->ctx.ostate,