geom/eli/g_eli.h

228 eli_metadata_encode_v0(struct g_eli_metadata *md, u_char **datap)
233 	le32enc(p, md->md_flags);	p += sizeof(md->md_flags);
234 	le16enc(p, md->md_ealgo);	p += sizeof(md->md_ealgo);
235 	le16enc(p, md->md_keylen);	p += sizeof(md->md_keylen);
236 	le64enc(p, md->md_provsize);	p += sizeof(md->md_provsize);
237 	le32enc(p, md->md_sectorsize);	p += sizeof(md->md_sectorsize);
238 	*p = md->md_keys;		p += sizeof(md->md_keys);
239 	le32enc(p, md->md_iterations);	p += sizeof(md->md_iterations);
240 	bcopy(md->md_salt, p, sizeof(md->md_salt)); p += sizeof(md->md_salt);
241 	bcopy(md->md_mkeys, p, sizeof(md->md_mkeys)); p += sizeof(md->md_mkeys);
245 eli_metadata_encode_v1v2v3v4v5v6v7(struct g_eli_metadata *md, u_char **datap)
250 	le32enc(p, md->md_flags);	p += sizeof(md->md_flags);
251 	le16enc(p, md->md_ealgo);	p += sizeof(md->md_ealgo);
252 	le16enc(p, md->md_keylen);	p += sizeof(md->md_keylen);
253 	le16enc(p, md->md_aalgo);	p += sizeof(md->md_aalgo);
254 	le64enc(p, md->md_provsize);	p += sizeof(md->md_provsize);
255 	le32enc(p, md->md_sectorsize);	p += sizeof(md->md_sectorsize);
256 	*p = md->md_keys;		p += sizeof(md->md_keys);
257 	le32enc(p, md->md_iterations);	p += sizeof(md->md_iterations);
258 	bcopy(md->md_salt, p, sizeof(md->md_salt)); p += sizeof(md->md_salt);
259 	bcopy(md->md_mkeys, p, sizeof(md->md_mkeys)); p += sizeof(md->md_mkeys);
263 eli_metadata_encode(struct g_eli_metadata *md, u_char *data)
269 	bcopy(md->md_magic, p, sizeof(md->md_magic));
270 	p += sizeof(md->md_magic);
271 	le32enc(p, md->md_version);
272 	p += sizeof(md->md_version);
273 	switch (md->md_version) {
275 		eli_metadata_encode_v0(md, &p);
284 		eli_metadata_encode_v1v2v3v4v5v6v7(md, &p);
289 		    (u_int)md->md_version);
296 	MD5Final(md->md_hash, &ctx);
297 	bcopy(md->md_hash, p, sizeof(md->md_hash));
300 eli_metadata_decode_v0(const u_char *data, struct g_eli_metadata *md)
305 	p = data + sizeof(md->md_magic) + sizeof(md->md_version);
306 	md->md_flags = le32dec(p);	p += sizeof(md->md_flags);
307 	md->md_ealgo = le16dec(p);	p += sizeof(md->md_ealgo);
308 	md->md_keylen = le16dec(p);	p += sizeof(md->md_keylen);
309 	md->md_provsize = le64dec(p);	p += sizeof(md->md_provsize);
310 	md->md_sectorsize = le32dec(p);	p += sizeof(md->md_sectorsize);
311 	md->md_keys = *p;		p += sizeof(md->md_keys);
312 	md->md_iterations = le32dec(p);	p += sizeof(md->md_iterations);
313 	bcopy(p, md->md_salt, sizeof(md->md_salt)); p += sizeof(md->md_salt);
314 	bcopy(p, md->md_mkeys, sizeof(md->md_mkeys)); p += sizeof(md->md_mkeys);
317 	MD5Final(md->md_hash, &ctx);
318 	if (bcmp(md->md_hash, p, 16) != 0)
324 eli_metadata_decode_v1v2v3v4v5v6v7(const u_char *data, struct g_eli_metadata *md)
329 	p = data + sizeof(md->md_magic) + sizeof(md->md_version);
330 	md->md_flags = le32dec(p);	p += sizeof(md->md_flags);
331 	md->md_ealgo = le16dec(p);	p += sizeof(md->md_ealgo);
332 	md->md_keylen = le16dec(p);	p += sizeof(md->md_keylen);
333 	md->md_aalgo = le16dec(p);	p += sizeof(md->md_aalgo);
334 	md->md_provsize = le64dec(p);	p += sizeof(md->md_provsize);
335 	md->md_sectorsize = le32dec(p);	p += sizeof(md->md_sectorsize);
336 	md->md_keys = *p;		p += sizeof(md->md_keys);
337 	md->md_iterations = le32dec(p);	p += sizeof(md->md_iterations);
338 	bcopy(p, md->md_salt, sizeof(md->md_salt)); p += sizeof(md->md_salt);
339 	bcopy(p, md->md_mkeys, sizeof(md->md_mkeys)); p += sizeof(md->md_mkeys);
342 	MD5Final(md->md_hash, &ctx);
343 	if (bcmp(md->md_hash, p, 16) != 0)
348 eli_metadata_decode(const u_char *data, struct g_eli_metadata *md)
352 	bcopy(data, md->md_magic, sizeof(md->md_magic));
353 	if (strcmp(md->md_magic, G_ELI_MAGIC) != 0)
355 	md->md_version = le32dec(data + sizeof(md->md_magic));
356 	switch (md->md_version) {
358 		error = eli_metadata_decode_v0(data, md);
367 		error = eli_metadata_decode_v1v2v3v4v5v6v7(data, md);
459 eli_metadata_dump(const struct g_eli_metadata *md)
462 	char str[sizeof(md->md_mkeys) * 2 + 1];
465 	printf("     magic: %s\n", md->md_magic);
466 	printf("   version: %u\n", (u_int)md->md_version);
467 	printf("     flags: 0x%x\n", (u_int)md->md_flags);
468 	printf("     ealgo: %s\n", g_eli_algo2str(md->md_ealgo));
469 	printf("    keylen: %u\n", (u_int)md->md_keylen);
470 	if (md->md_flags & G_ELI_FLAG_AUTH)
471 		printf("     aalgo: %s\n", g_eli_algo2str(md->md_aalgo));
472 	printf("  provsize: %ju\n", (uintmax_t)md->md_provsize);
473 	printf("sectorsize: %u\n", (u_int)md->md_sectorsize);
474 	printf("      keys: 0x%02x\n", (u_int)md->md_keys);
475 	printf("iterations: %u\n", (u_int)md->md_iterations);
477 	for (i = 0; i < sizeof(md->md_salt); i++) {
478 		str[i * 2] = hex[md->md_salt[i] >> 4];
479 		str[i * 2 + 1] = hex[md->md_salt[i] & 0x0f];
483 	for (i = 0; i < sizeof(md->md_mkeys); i++) {
484 		str[i * 2] = hex[md->md_mkeys[i] >> 4];
485 		str[i * 2 + 1] = hex[md->md_mkeys[i] & 0x0f];
490 		str[i * 2] = hex[md->md_hash[i] >> 4];
491 		str[i * 2 + 1] = hex[md->md_hash[i] & 0x0f];
571     struct g_eli_metadata *md);
573     struct g_provider *bpp, const struct g_eli_metadata *md,
594 int g_eli_mkey_decrypt(const struct g_eli_metadata *md,
616 void g_eli_crypto_hmac_final(struct hmac_ctx *ctx, uint8_t *md, size_t mdsize);
618     const uint8_t *data, size_t datasize, uint8_t *md, size_t mdsize);