diff options
| author | Oleksandr Suvorov <oleksandr.suvorov@toradex.com> | 2020-03-26 12:44:27 +0200 |
|---|---|---|
| committer | Oleksandr Suvorov <oleksandr.suvorov@toradex.com> | 2020-03-26 12:46:50 +0200 |
| commit | 87d308708712ff6075c4dd54b0519b47fdad8816 (patch) | |
| tree | 2fb6458b1db7dd21be2648f42412dd2485846c76 /backport-include/crypto/hash.h | |
Backports v5.4.27
Backports generated by toradex backports f6e8852f1ef28e6d3c9bae8400eb6a87a6b0c3e7
against mainline kernel tag v5.4.27
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Diffstat (limited to 'backport-include/crypto/hash.h')
| -rw-r--r-- | backport-include/crypto/hash.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/backport-include/crypto/hash.h b/backport-include/crypto/hash.h new file mode 100644 index 0000000..96ae799 --- /dev/null +++ b/backport-include/crypto/hash.h @@ -0,0 +1,38 @@ +#ifndef _BACKPORT_CRYPTO_HASH_H +#define _BACKPORT_CRYPTO_HASH_H +#include_next <crypto/hash.h> +#include <linux/version.h> + +#if LINUX_VERSION_IS_LESS(4,6,0) +#define shash_desc_zero LINUX_BACKPORT(shash_desc_zero) +static inline void shash_desc_zero(struct shash_desc *desc) +{ + memzero_explicit(desc, + sizeof(*desc) + crypto_shash_descsize(desc->tfm)); +} +#endif + +#if LINUX_VERSION_IS_LESS(4,6,0) +#define ahash_request_zero LINUX_BACKPORT(ahash_request_zero) +static inline void ahash_request_zero(struct ahash_request *req) +{ + memzero_explicit(req, sizeof(*req) + + crypto_ahash_reqsize(crypto_ahash_reqtfm(req))); +} +#endif + +#ifndef AHASH_REQUEST_ON_STACK +#define AHASH_REQUEST_ON_STACK(name, ahash) \ + char __##name##_desc[sizeof(struct ahash_request) + \ + crypto_ahash_reqsize(ahash)] CRYPTO_MINALIGN_ATTR; \ + struct ahash_request *name = (void *)__##name##_desc +#endif + +#ifndef SHASH_DESC_ON_STACK +#define SHASH_DESC_ON_STACK(shash, ctx) \ + char __##shash##_desc[sizeof(struct shash_desc) + \ + crypto_shash_descsize(ctx)] CRYPTO_MINALIGN_ATTR; \ + struct shash_desc *shash = (struct shash_desc *)__##shash##_desc +#endif + +#endif /* _BACKPORT_CRYPTO_HASH_H */ |