548 	 * for calculating ipad and opad  in cpt_aead_init()
553 		ctx->ipad = kzalloc(ss, GFP_KERNEL);  in cpt_aead_init()
554 		if (!ctx->ipad) {  in cpt_aead_init()
561 			kfree(ctx->ipad);  in cpt_aead_init()
570 		kfree(ctx->ipad);  in cpt_aead_init()
627 	kfree(ctx->ipad);  in otx_cpt_aead_exit()
762 	u8 *ipad = NULL, *opad = NULL;  in aead_hmac_init()  local
798 	ipad = ctx->ipad;  in aead_hmac_init()
801 	memcpy(ipad, ctx->key, authkeylen);  in aead_hmac_init()
802 	memset(ipad + authkeylen, 0, bs - authkeylen);  in aead_hmac_init()
803 	memcpy(opad, ipad, bs);  in aead_hmac_init()
806 		ipad[icount] ^= 0x36;  in aead_hmac_init()
812 	 * algorithm is retrieved for IPAD & OPAD  in aead_hmac_init()
815 	/* IPAD Calculation */  in aead_hmac_init()
817 	crypto_shash_update(&ctx->sdesc->shash, ipad, bs);  in aead_hmac_init()
818 	crypto_shash_export(&ctx->sdesc->shash, ipad);  in aead_hmac_init()
819 	ret = swap_pad(ctx->mac_type, ipad);  in aead_hmac_init()
916 		if (ctx->ipad)  in create_aead_ctx_hdr()
917 			memcpy(fctx->hmac.e.ipad, ctx->ipad, ds);  in create_aead_ctx_hdr()