diff options
Diffstat (limited to 'man7/random.7')
| -rw-r--r-- | man7/random.7 | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/man7/random.7 b/man7/random.7 index bca67ce..5ba6d33 100644 --- a/man7/random.7 +++ b/man7/random.7 @@ -9,7 +9,7 @@ .\" The following web page is quite informative: .\" http://www.2uo.de/myths-about-urandom/ .\" -.TH random 7 2023-02-10 "Linux man-pages 6.05.01" +.TH random 7 2023-10-31 "Linux man-pages 6.7" .SH NAME random \- overview of interfaces for obtaining randomness .SH DESCRIPTION @@ -17,7 +17,7 @@ The kernel random-number generator relies on entropy gathered from device drivers and other sources of environmental noise to seed a cryptographically secure pseudorandom number generator (CSPRNG). It is designed for security, rather than speed. -.PP +.P The following interfaces provide access to output from the kernel CSPRNG: .IP \[bu] 3 The @@ -77,7 +77,7 @@ flag. The cryptographic algorithms used for the .I urandom source are quite conservative, and so should be sufficient for all purposes. -.PP +.P The disadvantage of .B GRND_RANDOM and reads from @@ -194,7 +194,7 @@ or Diffie-Hellman private key has an effective key size of 128 bits (it requires about 2\[ha]128 operations to break) so a key generator needs only 128 bits (16 bytes) of seed material from .IR /dev/random . -.PP +.P While some safety margin above that minimum is reasonable, as a guard against flaws in the CSPRNG algorithm, no cryptographic primitive available today can hope to promise more than 256 bits of security, |