Lee, Chun-Yi <[email protected]> wrote: > + desc_size = crypto_shash_descsize(tfm) + sizeof(*desc); > + digest_size = crypto_shash_digestsize(tfm); > + digest = kzalloc(digest_size + desc_size, GFP_KERNEL); > + if (!digest) { > + pr_err("digest memory buffer allocate fail\n"); > + ret = -ENOMEM; > + goto error_digest; > + } > + desc = (void *)digest + digest_size; > + desc->tfm = tfm; > + desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP; > + ret = crypto_shash_init(desc); > + if (ret < 0) > + goto error_shash; > + > + ret = crypto_shash_finup(desc, mod, modlen, digest); > + if (ret < 0) > + goto error_shash;
Can you use the digest generated by mod_make_digest() to avoid computing the hash twice? David _______________________________________________ kernel mailing list [email protected] https://admin.fedoraproject.org/mailman/listinfo/kernel
