Re: [PATCH v1] crypto: driver for tegra AES hardware
From: Varun Wadekar <hidden>
Date: 2011-11-12 10:22:32
Also in:
linux-tegra
quoted
+ /* assign new context to device */ + ctx->dd = dd; + dd->ctx = ctx; + + if (ctx->flags & FLAGS_NEW_KEY) { + /* copy the key */ + memset(dd->ivkey_base, 0, AES_HW_KEY_TABLE_LENGTH_BYTES); + memcpy(dd->ivkey_base, ctx->key, ctx->keylen);these really should be writes to mutually exclusive addresses.
Why?
quoted
+ /* copy the key to the key slot */ + memset(dd->ivkey_base, 0, AES_HW_KEY_TABLE_LENGTH_BYTES); + memcpy(dd->ivkey_base, seed + DEFAULT_RNG_BLK_SZ, AES_KEYSIZE_128);should be to mutually exclusive addresses
Why?