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Copy crypto_tfm_ctx_aligned to the module source tree #593

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Copy crypto_tfm_ctx_aligned to the module source tree #593

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11 changes: 9 additions & 2 deletions kernel-open/nvidia/libspdm_shash.c
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,13 @@ bool lkca_hash_duplicate(struct shash_desc *dst, struct shash_desc const *src)
#endif
}

#ifdef USE_LKCA
static inline void *nv_crypto_tfm_ctx_aligned(struct crypto_tfm *tfm)
{
return crypto_tfm_ctx_align(tfm, crypto_tfm_alg_alignmask(tfm) + 1);
}
#endif

bool lkca_hmac_duplicate(struct shash_desc *dst, struct shash_desc const *src)
{
#ifndef USE_LKCA
Expand All @@ -87,8 +94,8 @@ bool lkca_hmac_duplicate(struct shash_desc *dst, struct shash_desc const *src)

struct crypto_shash *src_tfm = src->tfm;
struct crypto_shash *dst_tfm = dst->tfm;
char *src_ipad = crypto_tfm_ctx_aligned(&src_tfm->base);
char *dst_ipad = crypto_tfm_ctx_aligned(&dst_tfm->base);
char *src_ipad = nv_crypto_tfm_ctx_aligned(&src_tfm->base);
char *dst_ipad = nv_crypto_tfm_ctx_aligned(&dst_tfm->base);
int ss = crypto_shash_statesize(dst_tfm);
memcpy(dst_ipad, src_ipad, crypto_shash_blocksize(src->tfm));
memcpy(dst_ipad + ss, src_ipad + ss, crypto_shash_blocksize(src->tfm));
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