s390/crypto/zcrypt_ep11misc.c

113 static int ep11_kb_split(const u8 *kb, size_t kblen, u32 kbver,
124 	hdr = (struct ep11kblob_header *)kb;
141 	pl = (u8 *)kb + hdrsize;
157 static int ep11_kb_decode(const u8 *kb, size_t kblen,
169 	tmph = (struct ep11kblob_header *)kb;
175 	if (ep11_kb_split(kb, kblen, tmph->version,
208 	struct ep11keyblob *kb;
210 	if (ep11_kb_decode(keyblob, keybloblen, NULL, NULL, &kb, NULL))
212 	return kb->wkvp;
223 	struct ep11keyblob *kb = (struct ep11keyblob *)(key + sizeof(*hdr));
227 	if (keylen < sizeof(*hdr) + sizeof(*kb)) {
229 		    __func__, keylen, sizeof(*hdr) + sizeof(*kb));
257 	if (hdr->len < sizeof(*hdr) + sizeof(*kb)) {
260 			    __func__, (int)hdr->len, sizeof(*hdr) + sizeof(*kb));
264 	if (kb->version != EP11_STRUCT_MAGIC) {
267 			    __func__, (int)kb->version, EP11_STRUCT_MAGIC);
270 	if (checkcpacfexp && !(kb->attr & EP11_BLOB_PKEY_EXTRACTABLE)) {
290 	struct ep11keyblob *kb = (struct ep11keyblob *)(key + sizeof(*hdr));
294 	if (keylen < sizeof(*hdr) + sizeof(*kb)) {
296 		    __func__, keylen, sizeof(*hdr) + sizeof(*kb));
324 	if (hdr->len < sizeof(*hdr) + sizeof(*kb)) {
327 			    __func__, (int)hdr->len, sizeof(*hdr) + sizeof(*kb));
331 	if (kb->version != EP11_STRUCT_MAGIC) {
334 			    __func__, (int)kb->version, EP11_STRUCT_MAGIC);
337 	if (checkcpacfexp && !(kb->attr & EP11_BLOB_PKEY_EXTRACTABLE)) {
357 	struct ep11keyblob *kb = (struct ep11keyblob *)key;
361 	if (keylen < sizeof(*kb)) {
363 		    __func__, keylen, sizeof(*kb));
367 	if (kb->head.type != TOKTYPE_NON_CCA) {
370 			    __func__, (int)kb->head.type, TOKTYPE_NON_CCA);
373 	if (kb->head.version != TOKVER_EP11_AES) {
376 			    __func__, (int)kb->head.version, TOKVER_EP11_AES);
379 	if (kb->head.len > keylen) {
382 			    __func__, (int)kb->head.len, keylen);
385 	if (kb->head.len < sizeof(*kb)) {
388 			    __func__, (int)kb->head.len, sizeof(*kb));
392 	if (kb->version != EP11_STRUCT_MAGIC) {
395 			    __func__, (int)kb->version, EP11_STRUCT_MAGIC);
398 	if (checkcpacfexp && !(kb->attr & EP11_BLOB_PKEY_EXTRACTABLE)) {