781 	int blocklen;  in esp_cbc_decrypt()  local
792 	blocklen = algo->padbound;  in esp_cbc_decrypt()
795 	if (blocklen > sizeof(iv)) {  in esp_cbc_decrypt()
797 		    "unsupported blocklen %d\n", algo->name, blocklen));  in esp_cbc_decrypt()
831 	if (ivlen == blocklen) {  in esp_cbc_decrypt()
833 	} else if (ivlen == 4 && blocklen == 8) {  in esp_cbc_decrypt()
842 		    algo->name, ivlen, blocklen));  in esp_cbc_decrypt()
853 	if ((m->m_pkthdr.len - bodyoff) % blocklen) {  in esp_cbc_decrypt()
856 		    algo->name, blocklen));  in esp_cbc_decrypt()
885 	sbuf = (u_int8_t *)kalloc_data(blocklen, Z_NOWAIT);  in esp_cbc_decrypt()
891 		if (sn + blocklen <= s->m_len) {  in esp_cbc_decrypt()
896 			m_copydata(s, sn, blocklen, (caddr_t) sbuf);  in esp_cbc_decrypt()
901 		if (!d || dn + blocklen > d->m_len) {  in esp_cbc_decrypt()
935 			d->m_len = (int)((M_TRAILINGSPACE(d) / blocklen) * blocklen);  in esp_cbc_decrypt()
949 			memcpy(sp, sp_unaligned, blocklen);  in esp_cbc_decrypt()
962 		for (i = 0; i < blocklen; i++) {  in esp_cbc_decrypt()
968 			bcopy(sbuf, iv, blocklen);  in esp_cbc_decrypt()
974 		sn += blocklen;  in esp_cbc_decrypt()
975 		dn += blocklen;  in esp_cbc_decrypt()
991 	bzero(sbuf, blocklen);  in esp_cbc_decrypt()
994 		kfree_data(sbuf, blocklen);  in esp_cbc_decrypt()
1019 	int blocklen;  in esp_cbc_encrypt()  local
1030 	blocklen = algo->padbound;  in esp_cbc_encrypt()
1033 	if (blocklen > sizeof(iv)) {  in esp_cbc_encrypt()
1035 		    "unsupported blocklen %d\n", algo->name, blocklen));  in esp_cbc_encrypt()
1076 	if (ivlen == blocklen) {  in esp_cbc_encrypt()
1078 	} else if (ivlen == 4 && blocklen == 8) {  in esp_cbc_encrypt()
1087 		    algo->name, ivlen, blocklen));  in esp_cbc_encrypt()
1098 	if ((m->m_pkthdr.len - bodyoff) % blocklen) {  in esp_cbc_encrypt()
1130 	sbuf = (u_int8_t *)kalloc_data(blocklen, Z_NOWAIT);  in esp_cbc_encrypt()
1136 		if (sn + blocklen <= s->m_len) {  in esp_cbc_encrypt()
1141 			m_copydata(s, sn, blocklen, (caddr_t) sbuf);  in esp_cbc_encrypt()
1146 		if (!d || dn + blocklen > d->m_len) {  in esp_cbc_encrypt()
1180 			d->m_len = (int)((M_TRAILINGSPACE(d) / blocklen) * blocklen);  in esp_cbc_encrypt()
1190 		for (i = 0; i < blocklen; i++) {  in esp_cbc_encrypt()
1201 			memcpy(sp, sp_unaligned, blocklen);  in esp_cbc_encrypt()
1214 		sn += blocklen;  in esp_cbc_encrypt()
1215 		dn += blocklen;  in esp_cbc_encrypt()
1231 	bzero(sbuf, blocklen);  in esp_cbc_encrypt()
1236 		kfree_data(sbuf, blocklen);  in esp_cbc_encrypt()