TheArchive/Magisk
1
0
Fork 0
mirror of https://github.com/topjohnwu/Magisk.git synced 2024-11-23 18:15:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

SignBoot: updates from AOSP for boot_img_hdr_v1 and v2

Browse Source 
"Allow recovery-dtbo in recovery.img to be signed" by Hridya Valsaraju:
9bb9f8f857

"boot_signer should support boot header version 2" by Hridya Valsaraju
590e58454d
This commit is contained in:
osm0sis 2019-07-04 03:05:44 -03:00 committed by John Wu
parent a92e039363
commit 4f4a9412a3
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
signing/src/main/java/com/topjohnwu/signing/SignBoot.java
View File

@ -162,6 +162,24 @@ public class SignBoot {
+ ((kernelSize + pageSize - 1) / pageSize) * pageSize
+ ((ramdskSize + pageSize - 1) / pageSize) * pageSize
+ ((secondSize + pageSize - 1) / pageSize) * pageSize;
int headerVersion = image.getInt(); // boot image header version
if (headerVersion > 0) {
image.position(BOOT_IMAGE_HEADER_V1_RECOVERY_DTBO_SIZE_OFFSET);
int recoveryDtboLength = image.getInt();
length += ((recoveryDtboLength + pageSize - 1) / pageSize) * pageSize;
image.getLong(); // recovery_dtbo address
int headerSize = image.getInt();
if (headerVersion == 2) {
image.position(BOOT_IMAGE_HEADER_V2_DTB_SIZE_OFFSET);
int dtbLength = image.getInt();
length += ((dtbLength + pageSize - 1) / pageSize) * pageSize;
image.getLong(); // dtb address
}
if (image.position() != headerSize) {
throw new IllegalArgumentException(
"Invalid image header: invalid header length");
}
}
length = ((length + pageSize - 1) / pageSize) * pageSize;
if (length <= 0) {
throw new IllegalArgumentException("Invalid image header: invalid length");
@ -178,6 +196,8 @@ public class SignBoot {
private DEROctetString signature;
private PublicKey publicKey;
private static final int FORMAT_VERSION = 1;
private static final int BOOT_IMAGE_HEADER_V1_RECOVERY_DTBO_SIZE_OFFSET = 1632;
private static final int BOOT_IMAGE_HEADER_V2_DTB_SIZE_OFFSET = 1648;
/**
* Initializes the object for signing an image file