705 	int blocklen;  in esp_cbc_decrypt()  local
716 	blocklen = algo->padbound;  in esp_cbc_decrypt()
719 	if (blocklen > sizeof(iv)) {  in esp_cbc_decrypt()
721 		    "unsupported blocklen %d\n", algo->name, blocklen));  in esp_cbc_decrypt()
755 	if (ivlen == blocklen) {  in esp_cbc_decrypt()
757 	} else if (ivlen == 4 && blocklen == 8) {  in esp_cbc_decrypt()
766 		    algo->name, ivlen, blocklen));  in esp_cbc_decrypt()
777 	if ((m->m_pkthdr.len - bodyoff) % blocklen) {  in esp_cbc_decrypt()
780 		    algo->name, blocklen));  in esp_cbc_decrypt()
809 	sbuf = (u_int8_t *)kalloc_data(blocklen, Z_NOWAIT);  in esp_cbc_decrypt()
815 		if (sn + blocklen <= s->m_len) {  in esp_cbc_decrypt()
820 			m_copydata(s, sn, blocklen, (caddr_t) sbuf);  in esp_cbc_decrypt()
825 		if (!d || dn + blocklen > d->m_len) {  in esp_cbc_decrypt()
859 			d->m_len = (int)((M_TRAILINGSPACE(d) / blocklen) * blocklen);  in esp_cbc_decrypt()
873 			memcpy(sp, sp_unaligned, blocklen);  in esp_cbc_decrypt()
886 		for (i = 0; i < blocklen; i++) {  in esp_cbc_decrypt()
892 			bcopy(sbuf, iv, blocklen);  in esp_cbc_decrypt()
898 		sn += blocklen;  in esp_cbc_decrypt()
899 		dn += blocklen;  in esp_cbc_decrypt()
915 	bzero(sbuf, blocklen);  in esp_cbc_decrypt()
918 		kfree_data(sbuf, blocklen);  in esp_cbc_decrypt()
943 	int blocklen;  in esp_cbc_encrypt()  local
954 	blocklen = algo->padbound;  in esp_cbc_encrypt()
957 	if (blocklen > sizeof(iv)) {  in esp_cbc_encrypt()
959 		    "unsupported blocklen %d\n", algo->name, blocklen));  in esp_cbc_encrypt()
1000 	if (ivlen == blocklen) {  in esp_cbc_encrypt()
1002 	} else if (ivlen == 4 && blocklen == 8) {  in esp_cbc_encrypt()
1011 		    algo->name, ivlen, blocklen));  in esp_cbc_encrypt()
1022 	if ((m->m_pkthdr.len - bodyoff) % blocklen) {  in esp_cbc_encrypt()
1054 	sbuf = (u_int8_t *)kalloc_data(blocklen, Z_NOWAIT);  in esp_cbc_encrypt()
1060 		if (sn + blocklen <= s->m_len) {  in esp_cbc_encrypt()
1065 			m_copydata(s, sn, blocklen, (caddr_t) sbuf);  in esp_cbc_encrypt()
1070 		if (!d || dn + blocklen > d->m_len) {  in esp_cbc_encrypt()
1104 			d->m_len = (int)((M_TRAILINGSPACE(d) / blocklen) * blocklen);  in esp_cbc_encrypt()
1114 		for (i = 0; i < blocklen; i++) {  in esp_cbc_encrypt()
1125 			memcpy(sp, sp_unaligned, blocklen);  in esp_cbc_encrypt()
1138 		sn += blocklen;  in esp_cbc_encrypt()
1139 		dn += blocklen;  in esp_cbc_encrypt()
1155 	bzero(sbuf, blocklen);  in esp_cbc_encrypt()
1160 		kfree_data(sbuf, blocklen);  in esp_cbc_encrypt()