crypto: arm/ghash-ce - add missing async import/export
Since commit8996eafdcb
("crypto: ahash - ensure statesize is non-zero"), all ahash drivers are required to implement import()/export(), and must have a non-zero statesize. Fix this for the ARM Crypto Extensions GHASH implementation. Fixes:8996eafdcb
("crypto: ahash - ensure statesize is non-zero") Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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2117eaa62a
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@ -220,6 +220,27 @@ static int ghash_async_digest(struct ahash_request *req)
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}
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}
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static int ghash_async_import(struct ahash_request *req, const void *in)
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{
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struct ahash_request *cryptd_req = ahash_request_ctx(req);
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struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
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struct ghash_async_ctx *ctx = crypto_ahash_ctx(tfm);
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struct shash_desc *desc = cryptd_shash_desc(cryptd_req);
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desc->tfm = cryptd_ahash_child(ctx->cryptd_tfm);
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desc->flags = req->base.flags;
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return crypto_shash_import(desc, in);
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}
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static int ghash_async_export(struct ahash_request *req, void *out)
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{
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struct ahash_request *cryptd_req = ahash_request_ctx(req);
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struct shash_desc *desc = cryptd_shash_desc(cryptd_req);
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return crypto_shash_export(desc, out);
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}
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static int ghash_async_setkey(struct crypto_ahash *tfm, const u8 *key,
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unsigned int keylen)
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{
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@ -268,7 +289,10 @@ static struct ahash_alg ghash_async_alg = {
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.final = ghash_async_final,
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.setkey = ghash_async_setkey,
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.digest = ghash_async_digest,
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.import = ghash_async_import,
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.export = ghash_async_export,
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.halg.digestsize = GHASH_DIGEST_SIZE,
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.halg.statesize = sizeof(struct ghash_desc_ctx),
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.halg.base = {
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.cra_name = "ghash",
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.cra_driver_name = "ghash-ce",
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