751 	int blocklen;  in esp_cbc_decrypt()  local
762 	blocklen = algo->padbound;  in esp_cbc_decrypt()
765 	if (blocklen > sizeof(iv)) {  in esp_cbc_decrypt()
767 		    "unsupported blocklen %d\n", algo->name, blocklen));  in esp_cbc_decrypt()
801 	if (ivlen == blocklen) {  in esp_cbc_decrypt()
803 	} else if (ivlen == 4 && blocklen == 8) {  in esp_cbc_decrypt()
812 		    algo->name, ivlen, blocklen));  in esp_cbc_decrypt()
823 	if ((m->m_pkthdr.len - bodyoff) % blocklen) {  in esp_cbc_decrypt()
826 		    algo->name, blocklen));  in esp_cbc_decrypt()
855 	sbuf = (u_int8_t *)kalloc_data(blocklen, Z_NOWAIT);  in esp_cbc_decrypt()
861 		if (sn + blocklen <= s->m_len) {  in esp_cbc_decrypt()
866 			m_copydata(s, sn, blocklen, (caddr_t) sbuf);  in esp_cbc_decrypt()
871 		if (!d || dn + blocklen > d->m_len) {  in esp_cbc_decrypt()
905 			d->m_len = (int)((M_TRAILINGSPACE(d) / blocklen) * blocklen);  in esp_cbc_decrypt()
919 			memcpy(sp, sp_unaligned, blocklen);  in esp_cbc_decrypt()
932 		for (i = 0; i < blocklen; i++) {  in esp_cbc_decrypt()
938 			bcopy(sbuf, iv, blocklen);  in esp_cbc_decrypt()
944 		sn += blocklen;  in esp_cbc_decrypt()
945 		dn += blocklen;  in esp_cbc_decrypt()
961 	bzero(sbuf, blocklen);  in esp_cbc_decrypt()
964 		kfree_data(sbuf, blocklen);  in esp_cbc_decrypt()
989 	int blocklen;  in esp_cbc_encrypt()  local
1000 	blocklen = algo->padbound;  in esp_cbc_encrypt()
1003 	if (blocklen > sizeof(iv)) {  in esp_cbc_encrypt()
1005 		    "unsupported blocklen %d\n", algo->name, blocklen));  in esp_cbc_encrypt()
1046 	if (ivlen == blocklen) {  in esp_cbc_encrypt()
1048 	} else if (ivlen == 4 && blocklen == 8) {  in esp_cbc_encrypt()
1057 		    algo->name, ivlen, blocklen));  in esp_cbc_encrypt()
1068 	if ((m->m_pkthdr.len - bodyoff) % blocklen) {  in esp_cbc_encrypt()
1100 	sbuf = (u_int8_t *)kalloc_data(blocklen, Z_NOWAIT);  in esp_cbc_encrypt()
1106 		if (sn + blocklen <= s->m_len) {  in esp_cbc_encrypt()
1111 			m_copydata(s, sn, blocklen, (caddr_t) sbuf);  in esp_cbc_encrypt()
1116 		if (!d || dn + blocklen > d->m_len) {  in esp_cbc_encrypt()
1150 			d->m_len = (int)((M_TRAILINGSPACE(d) / blocklen) * blocklen);  in esp_cbc_encrypt()
1160 		for (i = 0; i < blocklen; i++) {  in esp_cbc_encrypt()
1171 			memcpy(sp, sp_unaligned, blocklen);  in esp_cbc_encrypt()
1184 		sn += blocklen;  in esp_cbc_encrypt()
1185 		dn += blocklen;  in esp_cbc_encrypt()
1201 	bzero(sbuf, blocklen);  in esp_cbc_encrypt()
1206 		kfree_data(sbuf, blocklen);  in esp_cbc_encrypt()