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libkmod: better explain a signed module layout

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This commit is contained in:
Lucas De Marchi 2015-02-18 16:47:14 -02:00
parent dcbe1846e8
commit 885e90b6f9
1 changed files with 11 additions and 7 deletions
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18
libkmod/libkmod-signature.c
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@ -79,13 +79,6 @@ const char *const pkey_id_type[PKEY_ID_TYPE__LAST] = {
/*
* Module signature information block.
*
* The constituents of the signature section are, in order:
*
* - Signer's name
* - Key identifier
* - Signature data
* - Information block
*/
struct module_signature {
uint8_t algo; /* Public-key crypto algorithm [enum pkey_algo] */
@ -99,6 +92,17 @@ struct module_signature {
#define SIG_MAGIC "~Module signature appended~\n"
/*
* A signed module has the following layout:
*
* [ module ]
* [ signer's name ]
* [ key identifier ]
* [ signature data ]
* [ struct module_signature ]
* [ SIG_MAGIC ]
*/
bool kmod_module_signature_info(const struct kmod_file *file, struct kmod_signature_info *sig_info)
{
const char *mem;