162 lines
6 KiB
Ruby
162 lines
6 KiB
Ruby
class Dmg2img < Formula
|
|
desc "Utilities for converting macOS DMG images"
|
|
homepage "http://vu1tur.eu.org/tools/"
|
|
url "http://vu1tur.eu.org/tools/dmg2img-1.6.7.tar.gz"
|
|
sha256 "02aea6d05c5b810074913b954296ddffaa43497ed720ac0a671da4791ec4d018"
|
|
revision 1
|
|
|
|
bottle do
|
|
cellar :any
|
|
sha256 "e16b42ead321d5e0c85a98592154ef13a2206355a13cfe021735653a1dd995be" => :catalina
|
|
sha256 "fb90741dc01f5c7b115c9d5bf142e36a90d7cf0995ecb4a5183150ec6d6161ac" => :mojave
|
|
sha256 "367ab961e50114debc983e5665443ee8fa5a85a2b4fab024753f38df48fb26f1" => :high_sierra
|
|
sha256 "8616423fd5b0109c66a000932b2aa5bf4f3979c5a065617e8ef7dd4ae0ee820b" => :sierra
|
|
end
|
|
|
|
depends_on "openssl@1.1"
|
|
|
|
# Patch for OpenSSL 1.1 compatibility
|
|
patch :p0, :DATA
|
|
|
|
def install
|
|
system "make"
|
|
bin.install "dmg2img"
|
|
bin.install "vfdecrypt"
|
|
end
|
|
|
|
test do
|
|
assert_match version.to_s, shell_output("#{bin}/dmg2img")
|
|
output = shell_output("#{bin}/vfdecrypt 2>&1", 1)
|
|
assert_match "No Passphrase given.", output
|
|
end
|
|
end
|
|
__END__
|
|
--- vfdecrypt.c.old 2019-09-11 14:46:50.000000000 +0200
|
|
+++ vfdecrypt.c 2019-09-11 14:46:53.000000000 +0200
|
|
@@ -183,7 +183,7 @@
|
|
pwhdr->encrypted_keyblob_size = htonl(pwhdr->encrypted_keyblob_size);
|
|
}
|
|
|
|
-HMAC_CTX hmacsha1_ctx;
|
|
+HMAC_CTX *hmacsha1_ctx;
|
|
AES_KEY aes_decrypt_key;
|
|
int CHUNK_SIZE=4096; // default
|
|
|
|
@@ -196,9 +196,9 @@
|
|
unsigned int mdLen;
|
|
|
|
chunk_no = OSSwapHostToBigInt32(chunk_no);
|
|
- HMAC_Init_ex(&hmacsha1_ctx, NULL, 0, NULL, NULL);
|
|
- HMAC_Update(&hmacsha1_ctx, (void *) &chunk_no, sizeof(uint32_t));
|
|
- HMAC_Final(&hmacsha1_ctx, mdResult, &mdLen);
|
|
+ HMAC_Init_ex(hmacsha1_ctx, NULL, 0, NULL, NULL);
|
|
+ HMAC_Update(hmacsha1_ctx, (void *) &chunk_no, sizeof(uint32_t));
|
|
+ HMAC_Final(hmacsha1_ctx, mdResult, &mdLen);
|
|
memcpy(iv, mdResult, CIPHER_BLOCKSIZE);
|
|
}
|
|
|
|
@@ -212,47 +212,45 @@
|
|
/* DES3-EDE unwrap operation loosely based on to RFC 2630, section 12.6
|
|
* wrapped_key has to be 40 bytes in length. */
|
|
int apple_des3_ede_unwrap_key(uint8_t *wrapped_key, int wrapped_key_len, uint8_t *decryptKey, uint8_t *unwrapped_key) {
|
|
- EVP_CIPHER_CTX ctx;
|
|
+ EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
|
|
uint8_t *TEMP1, *TEMP2, *CEKICV;
|
|
uint8_t IV[8] = { 0x4a, 0xdd, 0xa2, 0x2c, 0x79, 0xe8, 0x21, 0x05 };
|
|
int outlen, tmplen, i;
|
|
|
|
- EVP_CIPHER_CTX_init(&ctx);
|
|
/* result of the decryption operation shouldn't be bigger than ciphertext */
|
|
TEMP1 = malloc(wrapped_key_len);
|
|
TEMP2 = malloc(wrapped_key_len);
|
|
CEKICV = malloc(wrapped_key_len);
|
|
/* uses PKCS#7 padding for symmetric key operations by default */
|
|
- EVP_DecryptInit_ex(&ctx, EVP_des_ede3_cbc(), NULL, decryptKey, IV);
|
|
+ EVP_DecryptInit_ex(ctx, EVP_des_ede3_cbc(), NULL, decryptKey, IV);
|
|
|
|
- if(!EVP_DecryptUpdate(&ctx, TEMP1, &outlen, wrapped_key, wrapped_key_len)) {
|
|
+ if(!EVP_DecryptUpdate(ctx, TEMP1, &outlen, wrapped_key, wrapped_key_len)) {
|
|
fprintf(stderr, "internal error (1) during key unwrap operation!\n");
|
|
return(-1);
|
|
}
|
|
- if(!EVP_DecryptFinal_ex(&ctx, TEMP1 + outlen, &tmplen)) {
|
|
+ if(!EVP_DecryptFinal_ex(ctx, TEMP1 + outlen, &tmplen)) {
|
|
fprintf(stderr, "internal error (2) during key unwrap operation!\n");
|
|
return(-1);
|
|
}
|
|
outlen += tmplen;
|
|
- EVP_CIPHER_CTX_cleanup(&ctx);
|
|
|
|
/* reverse order of TEMP3 */
|
|
for(i = 0; i < outlen; i++) TEMP2[i] = TEMP1[outlen - i - 1];
|
|
|
|
- EVP_CIPHER_CTX_init(&ctx);
|
|
+ EVP_CIPHER_CTX_reset(ctx);
|
|
/* uses PKCS#7 padding for symmetric key operations by default */
|
|
- EVP_DecryptInit_ex(&ctx, EVP_des_ede3_cbc(), NULL, decryptKey, TEMP2);
|
|
- if(!EVP_DecryptUpdate(&ctx, CEKICV, &outlen, TEMP2+8, outlen-8)) {
|
|
+ EVP_DecryptInit_ex(ctx, EVP_des_ede3_cbc(), NULL, decryptKey, TEMP2);
|
|
+ if(!EVP_DecryptUpdate(ctx, CEKICV, &outlen, TEMP2+8, outlen-8)) {
|
|
fprintf(stderr, "internal error (3) during key unwrap operation!\n");
|
|
return(-1);
|
|
}
|
|
- if(!EVP_DecryptFinal_ex(&ctx, CEKICV + outlen, &tmplen)) {
|
|
+ if(!EVP_DecryptFinal_ex(ctx, CEKICV + outlen, &tmplen)) {
|
|
fprintf(stderr, "internal error (4) during key unwrap operation!\n");
|
|
return(-1);
|
|
}
|
|
|
|
outlen += tmplen;
|
|
- EVP_CIPHER_CTX_cleanup(&ctx);
|
|
+ EVP_CIPHER_CTX_free(ctx);
|
|
|
|
memcpy(unwrapped_key, CEKICV+4, outlen-4);
|
|
free(TEMP1);
|
|
@@ -279,7 +277,7 @@
|
|
int unwrap_v2_header(char *passphrase, cencrypted_v2_pwheader *header, uint8_t *aes_key, uint8_t *hmacsha1_key) {
|
|
/* derived key is a 3DES-EDE key */
|
|
uint8_t derived_key[192/8];
|
|
- EVP_CIPHER_CTX ctx;
|
|
+ EVP_CIPHER_CTX *ctx;
|
|
uint8_t *TEMP1;
|
|
int outlen, tmplen;
|
|
|
|
@@ -288,22 +286,22 @@
|
|
|
|
print_hex(derived_key, 192/8);
|
|
|
|
- EVP_CIPHER_CTX_init(&ctx);
|
|
+ ctx = EVP_CIPHER_CTX_new();
|
|
/* result of the decryption operation shouldn't be bigger than ciphertext */
|
|
TEMP1 = malloc(header->encrypted_keyblob_size);
|
|
/* uses PKCS#7 padding for symmetric key operations by default */
|
|
- EVP_DecryptInit_ex(&ctx, EVP_des_ede3_cbc(), NULL, derived_key, header->blob_enc_iv);
|
|
+ EVP_DecryptInit_ex(ctx, EVP_des_ede3_cbc(), NULL, derived_key, header->blob_enc_iv);
|
|
|
|
- if(!EVP_DecryptUpdate(&ctx, TEMP1, &outlen, header->encrypted_keyblob, header->encrypted_keyblob_size)) {
|
|
+ if(!EVP_DecryptUpdate(ctx, TEMP1, &outlen, header->encrypted_keyblob, header->encrypted_keyblob_size)) {
|
|
fprintf(stderr, "internal error (1) during key unwrap operation!\n");
|
|
return(-1);
|
|
}
|
|
- if(!EVP_DecryptFinal_ex(&ctx, TEMP1 + outlen, &tmplen)) {
|
|
+ if(!EVP_DecryptFinal_ex(ctx, TEMP1 + outlen, &tmplen)) {
|
|
fprintf(stderr, "internal error (2) during key unwrap operation!\n");
|
|
return(-1);
|
|
}
|
|
outlen += tmplen;
|
|
- EVP_CIPHER_CTX_cleanup(&ctx);
|
|
+ EVP_CIPHER_CTX_free(ctx);
|
|
memcpy(aes_key, TEMP1, 16);
|
|
memcpy(hmacsha1_key, TEMP1, 20);
|
|
|
|
@@ -446,8 +444,8 @@
|
|
CHUNK_SIZE = v2header.blocksize;
|
|
}
|
|
|
|
- HMAC_CTX_init(&hmacsha1_ctx);
|
|
- HMAC_Init_ex(&hmacsha1_ctx, hmacsha1_key, sizeof(hmacsha1_key), EVP_sha1(), NULL);
|
|
+ hmacsha1_ctx = HMAC_CTX_new();
|
|
+ HMAC_Init_ex(hmacsha1_ctx, hmacsha1_key, sizeof(hmacsha1_key), EVP_sha1(), NULL);
|
|
AES_set_decrypt_key(aes_key, CIPHER_KEY_LENGTH * 8, &aes_decrypt_key);
|
|
|
|
if (verbose >= 1) {
|