archives/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-03-14 00:56:20 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

crypto: zynqmp-sha - Make descsize an algorithm attribute

Browse source 
Rather than setting descsize in init_tfm, set it statically and
double-check it in init_tfm.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2025-04-12 18:47:42 +08:00
parent 34f442a3a0
commit c1dd353d18
1 changed files with 9 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

11
drivers/crypto/xilinx/zynqmp-sha.c
View file

@ -60,8 +60,14 @@ static int zynqmp_sha_init_tfm(struct crypto_shash *hash)
if (IS_ERR(fallback_tfm))
return PTR_ERR(fallback_tfm);
if (crypto_shash_descsize(hash) <
sizeof(struct zynqmp_sha_desc_ctx) +
crypto_shash_descsize(tfm_ctx->fbk_tfm)) {
crypto_free_shash(fallback_tfm);
return -EINVAL;
}
tfm_ctx->fbk_tfm = fallback_tfm;
hash->descsize += crypto_shash_descsize(tfm_ctx->fbk_tfm);
return 0;
}
@ -170,7 +176,8 @@ static struct zynqmp_sha_drv_ctx sha3_drv_ctx = {
.import = zynqmp_sha_import,
.init_tfm = zynqmp_sha_init_tfm,
.exit_tfm = zynqmp_sha_exit_tfm,
.descsize = sizeof(struct zynqmp_sha_desc_ctx),
.descsize = sizeof(struct zynqmp_sha_desc_ctx) +
sizeof(struct sha3_state),
.statesize = sizeof(struct sha3_state),
.digestsize = SHA3_384_DIGEST_SIZE,
.base = {