diff options
Diffstat (limited to 'arch/arm64/crypto/sha2-ce-glue.c')
-rw-r--r-- | arch/arm64/crypto/sha2-ce-glue.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm64/crypto/sha2-ce-glue.c b/arch/arm64/crypto/sha2-ce-glue.c index a8e67bafba3d..9450d19b9e6e 100644 --- a/arch/arm64/crypto/sha2-ce-glue.c +++ b/arch/arm64/crypto/sha2-ce-glue.c @@ -109,12 +109,32 @@ static int sha256_ce_final(struct shash_desc *desc, u8 *out) return sha256_base_finish(desc, out); } +static int sha256_ce_export(struct shash_desc *desc, void *out) +{ + struct sha256_ce_state *sctx = shash_desc_ctx(desc); + + memcpy(out, &sctx->sst, sizeof(struct sha256_state)); + return 0; +} + +static int sha256_ce_import(struct shash_desc *desc, const void *in) +{ + struct sha256_ce_state *sctx = shash_desc_ctx(desc); + + memcpy(&sctx->sst, in, sizeof(struct sha256_state)); + sctx->finalize = 0; + return 0; +} + static struct shash_alg algs[] = { { .init = sha224_base_init, .update = sha256_ce_update, .final = sha256_ce_final, .finup = sha256_ce_finup, + .export = sha256_ce_export, + .import = sha256_ce_import, .descsize = sizeof(struct sha256_ce_state), + .statesize = sizeof(struct sha256_state), .digestsize = SHA224_DIGEST_SIZE, .base = { .cra_name = "sha224", @@ -128,7 +148,10 @@ static struct shash_alg algs[] = { { .update = sha256_ce_update, .final = sha256_ce_final, .finup = sha256_ce_finup, + .export = sha256_ce_export, + .import = sha256_ce_import, .descsize = sizeof(struct sha256_ce_state), + .statesize = sizeof(struct sha256_state), .digestsize = SHA256_DIGEST_SIZE, .base = { .cra_name = "sha256", |