crypto: sun8i-ss - do not zeroize all pad
Instead of memset all pad buffer, it is faster to only put 0 where needed. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -319,7 +319,7 @@ int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq)
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unsigned int len;
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u64 fill, min_fill, byte_count;
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void *pad, *result;
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int j, i, todo;
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int j, i, k, todo;
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__be64 *bebits;
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__le64 *lebits;
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dma_addr_t addr_res, addr_pad;
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@ -334,7 +334,6 @@ int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq)
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result = ss->flows[rctx->flow].result;
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pad = ss->flows[rctx->flow].pad;
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memset(pad, 0, algt->alg.hash.halg.base.cra_blocksize * 2);
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bf = (__le32 *)pad;
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for (i = 0; i < MAX_SG; i++) {
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@ -395,7 +394,10 @@ int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq)
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if (fill < min_fill)
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fill += 64;
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k = j;
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j += (fill - min_fill) / sizeof(u32);
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for (; k < j; k++)
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bf[k] = 0;
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switch (algt->ss_algo_id) {
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case SS_ID_HASH_MD5:
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