s390/crypto/zcrypt_ccamisc.c

44  * Simple check if the token is a valid CCA secure AES data key
45  * token. If keybitsize is given, the bitsize of the key is
49 			     const u8 *token, int keybitsize)
51 	struct secaeskeytoken *t = (struct secaeskeytoken *)token;
57 			DBF("%s token check failed, type 0x%02x != 0x%02x\n",
63 			DBF("%s token check failed, version 0x%02x != 0x%02x\n",
69 			DBF("%s token check failed, bitsize %d != %d\n",
81  * Simple check if the token is a valid CCA secure AES cipher key
82  * token. If keybitsize is given, the bitsize of the key is
88 			      const u8 *token, int keybitsize,
91 	struct cipherkeytoken *t = (struct cipherkeytoken *)token;
98 			DBF("%s token check failed, type 0x%02x != 0x%02x\n",
104 			DBF("%s token check failed, version 0x%02x != 0x%02x\n",
110 			DBF("%s token check failed, algtype 0x%02x != 0x02\n",
116 			DBF("%s token check failed, keytype 0x%04x != 0x0001\n",
122 			DBF("%s token check failed, unknown plfver 0x%02x\n",
128 			DBF("%s token check failed, unknown wpllen %d\n",
152 				DBF("%s token check failed, bitsize %d\n",
159 			DBF("%s token check failed, XPRT_CPAC bit is 0\n",
171  * Simple check if the token is a valid CCA secure ECC private
172  * key token. Returns 0 on success or errno value on failure.
175 			     const u8 *token, size_t keysize,
178 	struct eccprivkeytoken *t = (struct eccprivkeytoken *)token;
184 			DBF("%s token check failed, type 0x%02x != 0x%02x\n",
190 			DBF("%s token check failed, len %d > keysize %zu\n",
196 			DBF("%s token check failed, secid 0x%02x != 0x20\n",
202 			DBF("%s token check failed, XPRTCPAC bit is 0\n",
404 	/* check length of the returned secure key token */
409 		ZCRYPT_DBF_ERR("%s secure token size mismatch %d != %d bytes\n",
415 	/* check secure key token */
423 	/* copy the generated secure key token */
542 	/* check length of the returned secure key token */
547 		ZCRYPT_DBF_ERR("%s secure token size mismatch %d != %d bytes\n",
553 	/* check secure key token */
561 	/* copy the generated secure key token */
594 			u8  token[];	      /* cca secure key token */
640 	memcpy(preqparm->lv2.token, seckey, SECKEYBLOBSIZE);
864 	/* patch the skeleton key token export flags inside the kb block */
915 	/* copy the generated vlsc key token */
984 				u8  key_token[];  /* key token */
1074 	/* copy the vlsc key token back */
1091 	u8 *token;
1099 	/* allocate space for the key token to build */
1100 	token = kmalloc(MAXCCAVLSCTOKENSIZE, GFP_KERNEL);
1101 	if (!token)
1104 	/* prepare the token with the key skeleton */
1106 	memcpy(token, aes_cipher_key_skeleton, tokensize);
1108 	/* patch the skeleton key token export flags */
1110 		t = (struct cipherkeytoken *)token;
1123 			     exorbuf, keybitsize, token, &tokensize);
1130 			     clrkey, keybitsize, token, &tokensize);
1137 			     exorbuf, keybitsize, token, &tokensize);
1144 			     NULL, keybitsize, token, &tokensize);
1151 	/* copy the generated key token */
1156 			memcpy(keybuf, token, tokensize);
1161 	kfree(token);
1241 	/* kb, cca token */
1404 	/* kb, cca token */
1844  * Verification Pattern provided inside a secure key token.