OMAP_ALIGNED
u8 digest[SHA512_DIGEST_SIZE] OMAP_ALIGNED;
u8 buffer[] OMAP_ALIGNED;
u8 ipad[SHA512_BLOCK_SIZE] OMAP_ALIGNED;
u8 opad[SHA512_BLOCK_SIZE] OMAP_ALIGNED;
u8 xmit_buf[BUFLEN] OMAP_ALIGNED;