30 static int tpm_loadkey2(struct tpm_buf *tb,  in tpm_loadkey2()  argument
46 	ret = oiap(tb, &authhandle, enonce);  in tpm_loadkey2()
67 	tpm_buf_reset(tb, TPM_TAG_RQU_AUTH1_COMMAND, TPM_ORD_LOADKEY2);  in tpm_loadkey2()
68 	tpm_buf_append_u32(tb, keyhandle);  in tpm_loadkey2()
69 	tpm_buf_append(tb, keyblob, keybloblen);  in tpm_loadkey2()
70 	tpm_buf_append_u32(tb, authhandle);  in tpm_loadkey2()
71 	tpm_buf_append(tb, nonceodd, TPM_NONCE_SIZE);  in tpm_loadkey2()
72 	tpm_buf_append_u8(tb, cont);  in tpm_loadkey2()
73 	tpm_buf_append(tb, authdata, SHA1_DIGEST_SIZE);  in tpm_loadkey2()
75 	ret = trusted_tpm_send(tb->data, MAX_BUF_SIZE);  in tpm_loadkey2()
81 	ret = TSS_checkhmac1(tb->data, ordinal, nonceodd, keyauth,  in tpm_loadkey2()
88 	*newhandle = LOAD32(tb->data, TPM_DATA_OFFSET);  in tpm_loadkey2()
95 static int tpm_flushspecific(struct tpm_buf *tb, uint32_t handle)  in tpm_flushspecific()  argument
97 	tpm_buf_reset(tb, TPM_TAG_RQU_COMMAND, TPM_ORD_FLUSHSPECIFIC);  in tpm_flushspecific()
98 	tpm_buf_append_u32(tb, handle);  in tpm_flushspecific()
99 	tpm_buf_append_u32(tb, TPM_RT_KEY);  in tpm_flushspecific()
101 	return trusted_tpm_send(tb->data, MAX_BUF_SIZE);  in tpm_flushspecific()
108 static int tpm_unbind(struct tpm_buf *tb,  in tpm_unbind()  argument
126 	ret = oiap(tb, &authhandle, enonce);  in tpm_unbind()
148 	tpm_buf_reset(tb, TPM_TAG_RQU_AUTH1_COMMAND, TPM_ORD_UNBIND);  in tpm_unbind()
149 	tpm_buf_append_u32(tb, keyhandle);  in tpm_unbind()
150 	tpm_buf_append_u32(tb, bloblen);  in tpm_unbind()
151 	tpm_buf_append(tb, blob, bloblen);  in tpm_unbind()
152 	tpm_buf_append_u32(tb, authhandle);  in tpm_unbind()
153 	tpm_buf_append(tb, nonceodd, TPM_NONCE_SIZE);  in tpm_unbind()
154 	tpm_buf_append_u8(tb, cont);  in tpm_unbind()
155 	tpm_buf_append(tb, authdata, SHA1_DIGEST_SIZE);  in tpm_unbind()
157 	ret = trusted_tpm_send(tb->data, MAX_BUF_SIZE);  in tpm_unbind()
163 	datalen = LOAD32(tb->data, TPM_DATA_OFFSET);  in tpm_unbind()
165 	ret = TSS_checkhmac1(tb->data, ordinal, nonceodd,  in tpm_unbind()
175 	memcpy(out, tb->data + TPM_DATA_OFFSET + sizeof(uint32_t),  in tpm_unbind()
191 static int tpm_sign(struct tpm_buf *tb,  in tpm_sign()  argument
209 	ret = oiap(tb, &authhandle, enonce);  in tpm_sign()
231 	tpm_buf_reset(tb, TPM_TAG_RQU_AUTH1_COMMAND, TPM_ORD_SIGN);  in tpm_sign()
232 	tpm_buf_append_u32(tb, keyhandle);  in tpm_sign()
233 	tpm_buf_append_u32(tb, bloblen);  in tpm_sign()
234 	tpm_buf_append(tb, blob, bloblen);  in tpm_sign()
235 	tpm_buf_append_u32(tb, authhandle);  in tpm_sign()
236 	tpm_buf_append(tb, nonceodd, TPM_NONCE_SIZE);  in tpm_sign()
237 	tpm_buf_append_u8(tb, cont);  in tpm_sign()
238 	tpm_buf_append(tb, authdata, SHA1_DIGEST_SIZE);  in tpm_sign()
240 	ret = trusted_tpm_send(tb->data, MAX_BUF_SIZE);  in tpm_sign()
246 	datalen = LOAD32(tb->data, TPM_DATA_OFFSET);  in tpm_sign()
248 	ret = TSS_checkhmac1(tb->data, ordinal, nonceodd,  in tpm_sign()
258 	memcpy(out, tb->data + TPM_DATA_OFFSET + sizeof(uint32_t),  in tpm_sign()
507 	struct tpm_buf tb;  in tpm_key_decrypt()  local
521 	r = tpm_buf_init(&tb, 0, 0);  in tpm_key_decrypt()
528 	r = tpm_loadkey2(&tb, SRKHANDLE, srkauth,  in tpm_key_decrypt()
538 	r = tpm_unbind(&tb, keyhandle, keyauth,  in tpm_key_decrypt()
543 	if (tpm_flushspecific(&tb, keyhandle) < 0)  in tpm_key_decrypt()
547 	tpm_buf_destroy(&tb);  in tpm_key_decrypt()
631 	struct tpm_buf tb;  in tpm_key_sign()  local
669 	r = tpm_buf_init(&tb, 0, 0);  in tpm_key_sign()
676 	r = tpm_loadkey2(&tb, SRKHANDLE, srkauth,  in tpm_key_sign()
686 	r = tpm_sign(&tb, keyhandle, keyauth, in, in_len, out, params->out_len);  in tpm_key_sign()
690 	if (tpm_flushspecific(&tb, keyhandle) < 0)  in tpm_key_sign()
694 	tpm_buf_destroy(&tb);  in tpm_key_sign()