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| author | Steve Langasek <steve.langasek@canonical.com> | 2014-10-06 15:39:48 -0700 |
|---|---|---|
| committer | Steve Langasek <steve.langasek@canonical.com> | 2014-10-06 15:39:48 -0700 |
| commit | 72bb39c0237f8bcc3afa8b623e8b097eec6d69cd (patch) | |
| tree | ab49a0f8e82cdee502fd556ad7ccca3242f40f05 /Cryptlib/Rand/CryptRand.c | |
| parent | bfab8d6791bccc38a8604cbc933048319c920780 (diff) | |
| download | efi-boot-shim-72bb39c0237f8bcc3afa8b623e8b097eec6d69cd.tar.gz efi-boot-shim-72bb39c0237f8bcc3afa8b623e8b097eec6d69cd.zip | |
Import upstream version 0.7
Diffstat (limited to 'Cryptlib/Rand/CryptRand.c')
| -rw-r--r-- | Cryptlib/Rand/CryptRand.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/Cryptlib/Rand/CryptRand.c b/Cryptlib/Rand/CryptRand.c index 4b275951..dc3ab992 100644 --- a/Cryptlib/Rand/CryptRand.c +++ b/Cryptlib/Rand/CryptRand.c @@ -43,6 +43,10 @@ RandomSeed ( IN UINTN SeedSize
)
{
+ if (SeedSize > INT_MAX) {
+ return FALSE;
+ }
+
//
// Seed the pseudorandom number generator with user-supplied value.
// NOTE: A cryptographic PRNG must be seeded with unpredictable data.
@@ -53,7 +57,11 @@ RandomSeed ( RAND_seed (DefaultSeed, sizeof (DefaultSeed));
}
- return TRUE;
+ if (RAND_status () == 1) {
+ return TRUE;
+ }
+
+ return FALSE;
}
/**
@@ -78,7 +86,7 @@ RandomBytes ( //
// Check input parameters.
//
- if (Output == NULL) {
+ if (Output == NULL || Size > INT_MAX) {
return FALSE;
}
|