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Abort conversion when wrapped key cipher is used.

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Ondrej Kozina
2018-04-11 16:18:44 +02:00
committed by Milan Broz
parent 9a72ec366d
commit 6f6e1efbc8
1 changed files with 9 additions and 0 deletions
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9
lib/luks2/luks2_luks1_convert.c
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@@ -664,6 +664,15 @@ int LUKS2_luks2_to_luks1(struct crypt_device *cd, struct luks2_hdr *hdr2, struct
return -EINVAL; return -EINVAL;
} }
r = crypt_parse_name_and_mode(LUKS2_get_cipher(hdr2, CRYPT_DEFAULT_SEGMENT), cipher, NULL, cipher_mode);
if (r < 0)
return r;
if (crypt_cipher_wrapped_key(cipher)) {
log_err(cd, _("Cannot convert to LUKS1 format - device uses wrapped key cipher %s.\n"), cipher);
return -EINVAL;
}
r = LUKS2_tokens_count(hdr2); r = LUKS2_tokens_count(hdr2);
if (r < 0) if (r < 0)
return r; return r;