diff options
Diffstat (limited to 'doc/gcrypt.texi')
| -rw-r--r-- | doc/gcrypt.texi | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/doc/gcrypt.texi b/doc/gcrypt.texi index 0f44b160..d8f7f85b 100644 --- a/doc/gcrypt.texi +++ b/doc/gcrypt.texi @@ -2326,7 +2326,7 @@ Some functions operating on S-expressions support `flags', that influence the operation. These flags have to be listed in a sub-S-expression named `flags'; the following flags are known: -@table @var +@table @code @item pkcs1 Use PKCS#1 block type 2 padding. @item no-blinding @@ -2694,7 +2694,8 @@ supported parameters are: @table @code @item nbits This is always required to specify the length of the key. The argument -is a string with a number in C-notation. +is a string with a number in C-notation. The value should be a multiple +of 8. @item rsa-use-e This is only used with RSA to give a hint for the public exponent. The @@ -2715,6 +2716,26 @@ Reserved If this parameter is not used, @acronym{Libgcrypt} uses for historic reasons 65537. +@item qbits +This is only meanigful for DSA keys. If it is given the DSA key is +generated with a Q parameyer of this size. If it is not given or zero +Q is deduced from NBITS in this way: +@table @samp +@item 512 <= N <= 1024 +Q = 160 +@item N = 2048 +Q = 224 +@item N = 3072 +Q = 256 +@item N = 7680 +Q = 384 +w@item N = 15360 +Q = 512 +@end table +Note, that in this case only the values for N, as given in the table, +are allowed. When specifying Q all values of N in the range 512 to +15680 are valid as long as they are multiples of 8. + @end table @c end table of parameters |