geom/eli/g_eli.h

229 eli_metadata_encode_v0(struct g_eli_metadata *md, u_char **datap)
234 	le32enc(p, md->md_flags);	p += sizeof(md->md_flags);
235 	le16enc(p, md->md_ealgo);	p += sizeof(md->md_ealgo);
236 	le16enc(p, md->md_keylen);	p += sizeof(md->md_keylen);
237 	le64enc(p, md->md_provsize);	p += sizeof(md->md_provsize);
238 	le32enc(p, md->md_sectorsize);	p += sizeof(md->md_sectorsize);
239 	*p = md->md_keys;		p += sizeof(md->md_keys);
240 	le32enc(p, md->md_iterations);	p += sizeof(md->md_iterations);
241 	bcopy(md->md_salt, p, sizeof(md->md_salt)); p += sizeof(md->md_salt);
242 	bcopy(md->md_mkeys, p, sizeof(md->md_mkeys)); p += sizeof(md->md_mkeys);
246 eli_metadata_encode_v1v2v3v4v5v6v7(struct g_eli_metadata *md, u_char **datap)
251 	le32enc(p, md->md_flags);	p += sizeof(md->md_flags);
252 	le16enc(p, md->md_ealgo);	p += sizeof(md->md_ealgo);
253 	le16enc(p, md->md_keylen);	p += sizeof(md->md_keylen);
254 	le16enc(p, md->md_aalgo);	p += sizeof(md->md_aalgo);
255 	le64enc(p, md->md_provsize);	p += sizeof(md->md_provsize);
256 	le32enc(p, md->md_sectorsize);	p += sizeof(md->md_sectorsize);
257 	*p = md->md_keys;		p += sizeof(md->md_keys);
258 	le32enc(p, md->md_iterations);	p += sizeof(md->md_iterations);
259 	bcopy(md->md_salt, p, sizeof(md->md_salt)); p += sizeof(md->md_salt);
260 	bcopy(md->md_mkeys, p, sizeof(md->md_mkeys)); p += sizeof(md->md_mkeys);
264 eli_metadata_encode(struct g_eli_metadata *md, u_char *data)
270 	bcopy(md->md_magic, p, sizeof(md->md_magic));
271 	p += sizeof(md->md_magic);
272 	le32enc(p, md->md_version);
273 	p += sizeof(md->md_version);
274 	switch (md->md_version) {
276 		eli_metadata_encode_v0(md, &p);
285 		eli_metadata_encode_v1v2v3v4v5v6v7(md, &p);
290 		    (u_int)md->md_version);
297 	MD5Final(md->md_hash, &ctx);
298 	bcopy(md->md_hash, p, sizeof(md->md_hash));
301 eli_metadata_decode_v0(const u_char *data, struct g_eli_metadata *md)
306 	p = data + sizeof(md->md_magic) + sizeof(md->md_version);
307 	md->md_flags = le32dec(p);	p += sizeof(md->md_flags);
308 	md->md_ealgo = le16dec(p);	p += sizeof(md->md_ealgo);
309 	md->md_keylen = le16dec(p);	p += sizeof(md->md_keylen);
310 	md->md_provsize = le64dec(p);	p += sizeof(md->md_provsize);
311 	md->md_sectorsize = le32dec(p);	p += sizeof(md->md_sectorsize);
312 	md->md_keys = *p;		p += sizeof(md->md_keys);
313 	md->md_iterations = le32dec(p);	p += sizeof(md->md_iterations);
314 	bcopy(p, md->md_salt, sizeof(md->md_salt)); p += sizeof(md->md_salt);
315 	bcopy(p, md->md_mkeys, sizeof(md->md_mkeys)); p += sizeof(md->md_mkeys);
318 	MD5Final(md->md_hash, &ctx);
319 	if (bcmp(md->md_hash, p, 16) != 0)
325 eli_metadata_decode_v1v2v3v4v5v6v7(const u_char *data, struct g_eli_metadata *md)
330 	p = data + sizeof(md->md_magic) + sizeof(md->md_version);
331 	md->md_flags = le32dec(p);	p += sizeof(md->md_flags);
332 	md->md_ealgo = le16dec(p);	p += sizeof(md->md_ealgo);
333 	md->md_keylen = le16dec(p);	p += sizeof(md->md_keylen);
334 	md->md_aalgo = le16dec(p);	p += sizeof(md->md_aalgo);
335 	md->md_provsize = le64dec(p);	p += sizeof(md->md_provsize);
336 	md->md_sectorsize = le32dec(p);	p += sizeof(md->md_sectorsize);
337 	md->md_keys = *p;		p += sizeof(md->md_keys);
338 	md->md_iterations = le32dec(p);	p += sizeof(md->md_iterations);
339 	bcopy(p, md->md_salt, sizeof(md->md_salt)); p += sizeof(md->md_salt);
340 	bcopy(p, md->md_mkeys, sizeof(md->md_mkeys)); p += sizeof(md->md_mkeys);
343 	MD5Final(md->md_hash, &ctx);
344 	if (bcmp(md->md_hash, p, 16) != 0)
349 eli_metadata_decode(const u_char *data, struct g_eli_metadata *md)
353 	bcopy(data, md->md_magic, sizeof(md->md_magic));
354 	if (strcmp(md->md_magic, G_ELI_MAGIC) != 0)
356 	md->md_version = le32dec(data + sizeof(md->md_magic));
357 	switch (md->md_version) {
359 		error = eli_metadata_decode_v0(data, md);
368 		error = eli_metadata_decode_v1v2v3v4v5v6v7(data, md);
460 eli_metadata_dump(const struct g_eli_metadata *md)
463 	char str[sizeof(md->md_mkeys) * 2 + 1];
466 	printf("     magic: %s\n", md->md_magic);
467 	printf("   version: %u\n", (u_int)md->md_version);
468 	printf("     flags: 0x%x\n", (u_int)md->md_flags);
469 	printf("     ealgo: %s\n", g_eli_algo2str(md->md_ealgo));
470 	printf("    keylen: %u\n", (u_int)md->md_keylen);
471 	if (md->md_flags & G_ELI_FLAG_AUTH)
472 		printf("     aalgo: %s\n", g_eli_algo2str(md->md_aalgo));
473 	printf("  provsize: %ju\n", (uintmax_t)md->md_provsize);
474 	printf("sectorsize: %u\n", (u_int)md->md_sectorsize);
475 	printf("      keys: 0x%02x\n", (u_int)md->md_keys);
476 	printf("iterations: %u\n", (u_int)md->md_iterations);
478 	for (i = 0; i < sizeof(md->md_salt); i++) {
479 		str[i * 2] = hex[md->md_salt[i] >> 4];
480 		str[i * 2 + 1] = hex[md->md_salt[i] & 0x0f];
484 	for (i = 0; i < sizeof(md->md_mkeys); i++) {
485 		str[i * 2] = hex[md->md_mkeys[i] >> 4];
486 		str[i * 2 + 1] = hex[md->md_mkeys[i] & 0x0f];
491 		str[i * 2] = hex[md->md_hash[i] >> 4];
492 		str[i * 2 + 1] = hex[md->md_hash[i] & 0x0f];
572     struct g_eli_metadata *md);
574     struct g_provider *bpp, const struct g_eli_metadata *md,
595 int g_eli_mkey_decrypt(const struct g_eli_metadata *md,
617 void g_eli_crypto_hmac_final(struct hmac_ctx *ctx, uint8_t *md, size_t mdsize);
619     const uint8_t *data, size_t datasize, uint8_t *md, size_t mdsize);