summaryrefslogtreecommitdiff
path: root/crypto/shash.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2023-06-30 21:27:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-06-30 21:27:13 -0700
commit5d95ff84e62be914b4a4dabfa814e4096b05b1b0 (patch)
treef2d79d562971025b29deab50bb06e3b865f185b3 /crypto/shash.c
parentd85a143b69abb4d7544227e26d12c4c7735ab27d (diff)
parent486bfb05913ac9969a3a71a4dc48f17f31cb162d (diff)
downloadlinux-5d95ff84e62be914b4a4dabfa814e4096b05b1b0.tar.gz
linux-5d95ff84e62be914b4a4dabfa814e4096b05b1b0.tar.bz2
linux-5d95ff84e62be914b4a4dabfa814e4096b05b1b0.zip
Merge tag 'v6.5-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "API: - Add linear akcipher/sig API - Add tfm cloning (hmac, cmac) - Add statesize to crypto_ahash Algorithms: - Allow only odd e and restrict value in FIPS mode for RSA - Replace LFSR with SHA3-256 in jitter - Add interface for gathering of raw entropy in jitter Drivers: - Fix race on data_avail and actual data in hwrng/virtio - Add hash and HMAC support in starfive - Add RSA algo support in starfive - Add support for PCI device 0x156E in ccp" * tag 'v6.5-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (85 commits) crypto: akcipher - Do not copy dst if it is NULL crypto: sig - Fix verify call crypto: akcipher - Set request tfm on sync path crypto: sm2 - Provide sm2_compute_z_digest when sm2 is disabled hwrng: imx-rngc - switch to DEFINE_SIMPLE_DEV_PM_OPS hwrng: st - keep clock enabled while hwrng is registered hwrng: st - support compile-testing hwrng: imx-rngc - fix the timeout for init and self check KEYS: asymmetric: Use new crypto interface without scatterlists KEYS: asymmetric: Move sm2 code into x509_public_key KEYS: Add forward declaration in asymmetric-parser.h crypto: sig - Add interface for sign/verify crypto: akcipher - Add sync interface without SG lists crypto: cipher - On clone do crypto_mod_get() crypto: api - Add __crypto_alloc_tfmgfp crypto: api - Remove crypto_init_ops() crypto: rsa - allow only odd e and restrict value in FIPS mode crypto: geniv - Split geniv out of AEAD Kconfig option crypto: algboss - Add missing dependency on RNG2 crypto: starfive - Add RSA algo support ...
Diffstat (limited to 'crypto/shash.c')
-rw-r--r--crypto/shash.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index 717b42df3495..1fadb6b59bdc 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -597,7 +597,7 @@ struct crypto_shash *crypto_clone_shash(struct crypto_shash *hash)
return hash;
}
- if (!alg->clone_tfm)
+ if (!alg->clone_tfm && (alg->init_tfm || alg->base.cra_init))
return ERR_PTR(-ENOSYS);
nhash = crypto_clone_tfm(&crypto_shash_type, tfm);
@@ -606,10 +606,12 @@ struct crypto_shash *crypto_clone_shash(struct crypto_shash *hash)
nhash->descsize = hash->descsize;
- err = alg->clone_tfm(nhash, hash);
- if (err) {
- crypto_free_shash(nhash);
- return ERR_PTR(err);
+ if (alg->clone_tfm) {
+ err = alg->clone_tfm(nhash, hash);
+ if (err) {
+ crypto_free_shash(nhash);
+ return ERR_PTR(err);
+ }
}
return nhash;