Re: [PATCH v7 1/5] crypto: aspeed: Add HACE hash driver

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On 7/12/2022 10:32 PM, Dhananjay Phadke wrote:
+static void aspeed_ahash_iV(struct aspeed_sham_reqctx *rctx)
+{
+    if (rctx->flags & SHA_FLAGS_SHA1)
+        memcpy(rctx->digest, sha1_iv, 32);
+    else if (rctx->flags & SHA_FLAGS_SHA224)
+        memcpy(rctx->digest, sha224_iv, 32);
+    else if (rctx->flags & SHA_FLAGS_SHA256)
+        memcpy(rctx->digest, sha256_iv, 32);
+    else if (rctx->flags & SHA_FLAGS_SHA384)
+        memcpy(rctx->digest, sha384_iv, 64);
+    else if (rctx->flags & SHA_FLAGS_SHA512)
+        memcpy(rctx->digest, sha512_iv, 64);
+    else if (rctx->flags & SHA_FLAGS_SHA512_224)
+        memcpy(rctx->digest, sha512_224_iv, 64);
+    else if (rctx->flags & SHA_FLAGS_SHA512_256)
+        memcpy(rctx->digest, sha512_256_iv, 64);
+}

Can use the "digsize" from reqctx to memcpy() instead lots of if..else
conditionals for every request?

Sorry, meant pre-initialized ivsize not digsize, which could be
in alg wrapper structure (aspeed_hace_alg).

Thanks,
Dhananjay



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