CHCR_HASH_MAX_BLOCK_SIZE_128
memcpy(req_ctx->bfr1, state->bfr1, CHCR_HASH_MAX_BLOCK_SIZE_128);
u8 ipad[CHCR_HASH_MAX_BLOCK_SIZE_128];
u8 opad[CHCR_HASH_MAX_BLOCK_SIZE_128];
u8 bfr1[CHCR_HASH_MAX_BLOCK_SIZE_128];
u8 bfr2[CHCR_HASH_MAX_BLOCK_SIZE_128];