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crypto: inside-secure - hmac(md5) support
This patch adds support for the hmac(md5) algorithm in the Inside Secure SafeXcel cryptographic engine driver. Signed-off-by: Ofer Heifetz <oferh@marvell.com> Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -406,7 +406,7 @@ static int safexcel_hw_init(struct safexcel_crypto_priv *priv)
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val |= EIP197_PROTOCOL_ENCRYPT_ONLY | EIP197_PROTOCOL_HASH_ONLY;
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val |= EIP197_PROTOCOL_ENCRYPT_HASH | EIP197_PROTOCOL_HASH_DECRYPT;
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val |= EIP197_ALG_AES_ECB | EIP197_ALG_AES_CBC;
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val |= EIP197_ALG_MD5;
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val |= EIP197_ALG_MD5 | EIP197_ALG_HMAC_MD5;
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val |= EIP197_ALG_SHA1 | EIP197_ALG_HMAC_SHA1;
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val |= EIP197_ALG_SHA2 | EIP197_ALG_HMAC_SHA2;
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writel(val, EIP197_PE(priv) + EIP197_PE_EIP96_FUNCTION_EN(pe));
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@ -848,6 +848,7 @@ static struct safexcel_alg_template *safexcel_algs[] = {
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&safexcel_alg_sha256,
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&safexcel_alg_sha384,
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&safexcel_alg_sha512,
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&safexcel_alg_hmac_md5,
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&safexcel_alg_hmac_sha1,
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&safexcel_alg_hmac_sha224,
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&safexcel_alg_hmac_sha256,
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@ -698,6 +698,7 @@ extern struct safexcel_alg_template safexcel_alg_sha224;
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extern struct safexcel_alg_template safexcel_alg_sha256;
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extern struct safexcel_alg_template safexcel_alg_sha384;
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extern struct safexcel_alg_template safexcel_alg_sha512;
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extern struct safexcel_alg_template safexcel_alg_hmac_md5;
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extern struct safexcel_alg_template safexcel_alg_hmac_sha1;
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extern struct safexcel_alg_template safexcel_alg_hmac_sha224;
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extern struct safexcel_alg_template safexcel_alg_hmac_sha256;
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@ -1619,3 +1619,60 @@ struct safexcel_alg_template safexcel_alg_md5 = {
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},
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},
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};
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static int safexcel_hmac_md5_init(struct ahash_request *areq)
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{
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struct safexcel_ahash_req *req = ahash_request_ctx(areq);
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safexcel_md5_init(areq);
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req->digest = CONTEXT_CONTROL_DIGEST_HMAC;
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return 0;
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}
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static int safexcel_hmac_md5_setkey(struct crypto_ahash *tfm, const u8 *key,
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unsigned int keylen)
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{
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return safexcel_hmac_alg_setkey(tfm, key, keylen, "safexcel-md5",
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MD5_DIGEST_SIZE);
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}
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static int safexcel_hmac_md5_digest(struct ahash_request *areq)
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{
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int ret = safexcel_hmac_md5_init(areq);
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if (ret)
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return ret;
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return safexcel_ahash_finup(areq);
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}
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struct safexcel_alg_template safexcel_alg_hmac_md5 = {
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.type = SAFEXCEL_ALG_TYPE_AHASH,
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.engines = EIP97IES | EIP197B | EIP197D,
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.alg.ahash = {
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.init = safexcel_hmac_md5_init,
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.update = safexcel_ahash_update,
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.final = safexcel_ahash_final,
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.finup = safexcel_ahash_finup,
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.digest = safexcel_hmac_md5_digest,
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.setkey = safexcel_hmac_md5_setkey,
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.export = safexcel_ahash_export,
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.import = safexcel_ahash_import,
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.halg = {
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.digestsize = MD5_DIGEST_SIZE,
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.statesize = sizeof(struct safexcel_ahash_export_state),
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.base = {
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.cra_name = "hmac(md5)",
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.cra_driver_name = "safexcel-hmac-md5",
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.cra_priority = 300,
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.cra_flags = CRYPTO_ALG_ASYNC |
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CRYPTO_ALG_KERN_DRIVER_ONLY,
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.cra_blocksize = MD5_HMAC_BLOCK_SIZE,
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.cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
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.cra_init = safexcel_ahash_cra_init,
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.cra_exit = safexcel_ahash_cra_exit,
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.cra_module = THIS_MODULE,
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},
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},
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},
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};
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