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| author |   Herbert Xu <herbert@gondor.apana.org.au> | 2025-05-04 21:33:21 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-05-05 18:20:46 +0800 |
| commit | 1052671ca118b79fa3f5de281bba850aaf20bbf5 (patch) | |
| tree | 10a3f0de9902c7eb1b2d16c8b4956f3c79bc2bc0 /crypto | |
| parent | crypto: ahash - Enforce MAX_SYNC_HASH_REQSIZE for sync ahash (diff) | |
| download | wireguard-linux-1052671ca118b79fa3f5de281bba850aaf20bbf5.tar.xz wireguard-linux-1052671ca118b79fa3f5de281bba850aaf20bbf5.zip | |
crypto: ahash - Add core export and import
Add crypto_ahash_export_core and crypto_ahash_import_core. For
now they only differ from the normal export/import functions when
going through shash.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/ahash.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c index 736e9fb5d0a4..344bf1b43e71 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -698,6 +698,16 @@ static int ahash_def_finup(struct ahash_request *req) return ahash_def_finup_finish1(req, err); } +int crypto_ahash_export_core(struct ahash_request *req, void *out) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + + if (likely(tfm->using_shash)) + return crypto_shash_export_core(ahash_request_ctx(req), out); + return crypto_ahash_alg(tfm)->export(req, out); +} +EXPORT_SYMBOL_GPL(crypto_ahash_export_core); + int crypto_ahash_export(struct ahash_request *req, void *out) { struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); @@ -708,6 +718,19 @@ int crypto_ahash_export(struct ahash_request *req, void *out) } EXPORT_SYMBOL_GPL(crypto_ahash_export); +int crypto_ahash_import_core(struct ahash_request *req, const void *in) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + + if (likely(tfm->using_shash)) + return crypto_shash_import_core(prepare_shash_desc(req, tfm), + in); + if (crypto_ahash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) + return -ENOKEY; + return crypto_ahash_alg(tfm)->import(req, in); +} +EXPORT_SYMBOL_GPL(crypto_ahash_import_core); + int crypto_ahash_import(struct ahash_request *req, const void *in) { struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); @@ -716,7 +739,7 @@ int crypto_ahash_import(struct ahash_request *req, const void *in) return crypto_shash_import(prepare_shash_desc(req, tfm), in); if (crypto_ahash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY) return -ENOKEY; - return crypto_ahash_alg(tfm)->import(req, in); + return crypto_ahash_import_core(req, in); } EXPORT_SYMBOL_GPL(crypto_ahash_import); |