58 	GoogleBinaryBlockHeader *gbb = (GoogleBinaryBlockHeader *)buf;  in recognize_gbb()  local
60 	if (memcmp(gbb->signature, GBB_SIGNATURE, GBB_SIGNATURE_SIZE))  in recognize_gbb()
62 	if (gbb->major_version > GBB_MAJOR_VER)  in recognize_gbb()
71 int futil_valid_gbb_header(GoogleBinaryBlockHeader *gbb, uint32_t len,  in futil_valid_gbb_header()  argument
77 	if (memcmp(gbb->signature, GBB_SIGNATURE, GBB_SIGNATURE_SIZE))  in futil_valid_gbb_header()
79 	if (gbb->major_version != GBB_MAJOR_VER)  in futil_valid_gbb_header()
84 		uint32_t maxlen = gbb->header_size;  in futil_valid_gbb_header()
86 			     gbb->hwid_offset + gbb->hwid_size);  in futil_valid_gbb_header()
88 			     gbb->rootkey_offset + gbb->rootkey_size);  in futil_valid_gbb_header()
90 			     gbb->bmpfv_offset + gbb->bmpfv_size);  in futil_valid_gbb_header()
92 			     gbb->recovery_key_offset + gbb->recovery_key_size);  in futil_valid_gbb_header()
96 	if (gbb->header_size != GBB_HEADER_SIZE || gbb->header_size > len)  in futil_valid_gbb_header()
98 	if (gbb->hwid_offset < GBB_HEADER_SIZE)  in futil_valid_gbb_header()
100 	if (gbb->hwid_offset + gbb->hwid_size > len)  in futil_valid_gbb_header()
102 	if (gbb->hwid_size) {  in futil_valid_gbb_header()
104 			((uint8_t *)gbb + gbb->hwid_offset);  in futil_valid_gbb_header()
105 		if (!is_null_terminated(s, gbb->hwid_size))  in futil_valid_gbb_header()
108 	if (gbb->rootkey_offset < GBB_HEADER_SIZE)  in futil_valid_gbb_header()
110 	if (gbb->rootkey_offset + gbb->rootkey_size > len)  in futil_valid_gbb_header()
113 	if (gbb->bmpfv_offset < GBB_HEADER_SIZE)  in futil_valid_gbb_header()
115 	if (gbb->bmpfv_offset + gbb->bmpfv_size > len)  in futil_valid_gbb_header()
117 	if (gbb->recovery_key_offset < GBB_HEADER_SIZE)  in futil_valid_gbb_header()
119 	if (gbb->recovery_key_offset + gbb->recovery_key_size > len)  in futil_valid_gbb_header()
128 int print_hwid_digest(GoogleBinaryBlockHeader *gbb,  in print_hwid_digest()  argument
134 	if (gbb->minor_version < 2) {  in print_hwid_digest()
139 	uint8_t *buf = (uint8_t *)gbb;  in print_hwid_digest()
140 	char *hwid_str = (char *)(buf + gbb->hwid_offset);  in print_hwid_digest()
142 	uint8_t *digest = DigestBuf(buf + gbb->hwid_offset,  in print_hwid_digest()
150 			printf("%02x", gbb->hwid_digest[i]);  in print_hwid_digest()
151 			if (gbb->hwid_digest[i] != digest[i])  in print_hwid_digest()
163 void update_hwid_digest(GoogleBinaryBlockHeader *gbb)  in update_hwid_digest()  argument
166 	if (gbb->minor_version < 2)  in update_hwid_digest()
169 	uint8_t *buf = (uint8_t *)gbb;  in update_hwid_digest()
170 	char *hwid_str = (char *)(buf + gbb->hwid_offset);  in update_hwid_digest()
171 	uint8_t *digest = DigestBuf(buf + gbb->hwid_offset,  in update_hwid_digest()
174 	memcpy(gbb->hwid_digest, digest, SHA256_DIGEST_SIZE);  in update_hwid_digest()