keys/trusted-keys/trusted_tpm1.c

30 struct sdesc {
38 static struct sdesc *init_sdesc(struct crypto_shash *alg)
40 	struct sdesc *sdesc;
44 	sdesc = kmalloc(size, GFP_KERNEL);
45 	if (!sdesc)
47 	sdesc->shash.tfm = alg;
48 	return sdesc;
54 	struct sdesc *sdesc;
57 	sdesc = init_sdesc(hashalg);
58 	if (IS_ERR(sdesc)) {
60 		return PTR_ERR(sdesc);
63 	ret = crypto_shash_digest(&sdesc->shash, data, datalen, digest);
64 	kfree_sensitive(sdesc);
71 	struct sdesc *sdesc;
77 	sdesc = init_sdesc(hmacalg);
78 	if (IS_ERR(sdesc)) {
80 		return PTR_ERR(sdesc);
86 	ret = crypto_shash_init(&sdesc->shash);
100 		ret = crypto_shash_update(&sdesc->shash, data, dlen);
106 		ret = crypto_shash_final(&sdesc->shash, digest);
108 	kfree_sensitive(sdesc);
120 	struct sdesc *sdesc;
130 	sdesc = init_sdesc(hashalg);
131 	if (IS_ERR(sdesc)) {
133 		return PTR_ERR(sdesc);
137 	ret = crypto_shash_init(&sdesc->shash);
150 		ret = crypto_shash_update(&sdesc->shash, data, dlen);
156 		ret = crypto_shash_final(&sdesc->shash, paramdigest);
162 	kfree_sensitive(sdesc);
185 	struct sdesc *sdesc;
206 	sdesc = init_sdesc(hashalg);
207 	if (IS_ERR(sdesc)) {
209 		return PTR_ERR(sdesc);
211 	ret = crypto_shash_init(&sdesc->shash);
214 	ret = crypto_shash_update(&sdesc->shash, (const u8 *)&result,
218 	ret = crypto_shash_update(&sdesc->shash, (const u8 *)&ordinal,
228 		ret = crypto_shash_update(&sdesc->shash, buffer + dpos, dlen);
234 		ret = crypto_shash_final(&sdesc->shash, paramdigest);
247 	kfree_sensitive(sdesc);
276 	struct sdesc *sdesc;
299 	sdesc = init_sdesc(hashalg);
300 	if (IS_ERR(sdesc)) {
302 		return PTR_ERR(sdesc);
304 	ret = crypto_shash_init(&sdesc->shash);
307 	ret = crypto_shash_update(&sdesc->shash, (const u8 *)&result,
311 	ret = crypto_shash_update(&sdesc->shash, (const u8 *)&ordinal,
322 		ret = crypto_shash_update(&sdesc->shash, buffer + dpos, dlen);
328 		ret = crypto_shash_final(&sdesc->shash, paramdigest);
349 	kfree_sensitive(sdesc);