diff options
author | Ingo Schwarze <schwarze@cvs.openbsd.org> | 2023-11-16 18:10:20 +0000 |
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committer | Ingo Schwarze <schwarze@cvs.openbsd.org> | 2023-11-16 18:10:20 +0000 |
commit | 4520b1becacefcd06423b74493e0be3ff768af95 (patch) | |
tree | 4afe2a9eecf4fd24d69d7c4742aeb2794c098c89 /lib | |
parent | d4afed347fbe00e95f101f4aca2d0fb62d99f9cb (diff) |
delete lots of stuff that no longer exists
Diffstat (limited to 'lib')
-rw-r--r-- | lib/libcrypto/man/bn_dump.3 | 317 |
1 files changed, 17 insertions, 300 deletions
diff --git a/lib/libcrypto/man/bn_dump.3 b/lib/libcrypto/man/bn_dump.3 index cfe707b7758..b4272441e5c 100644 --- a/lib/libcrypto/man/bn_dump.3 +++ b/lib/libcrypto/man/bn_dump.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: bn_dump.3,v 1.8 2023/01/20 12:16:46 jsing Exp $ +.\" $OpenBSD: bn_dump.3,v 1.9 2023/11/16 18:10:19 schwarze Exp $ .\" full merge up to: .\" OpenSSL crypto/bn/README.pod aebb9aac Jul 19 09:27:53 2016 -0400 .\" @@ -50,7 +50,7 @@ .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED .\" OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: January 20 2023 $ +.Dd $Mdocdate: November 16 2023 $ .Dt BN_DUMP 3 .Os .Sh NAME @@ -64,28 +64,12 @@ .Nm bn_mul_comba8 , .Nm bn_sqr_comba4 , .Nm bn_sqr_comba8 , -.Nm bn_cmp_words , .Nm bn_mul_normal , -.Nm bn_mul_recursive , -.Nm bn_mul_part_recursive , -.Nm bn_sqr_normal , -.Nm bn_sqr_recursive , .Nm bn_expand , -.Nm bn_wexpand , -.Nm bn_expand2 , -.Nm bn_fix_top , -.Nm bn_check_top , -.Nm bn_print , -.Nm bn_dump , -.Nm bn_set_max , -.Nm bn_set_high , -.Nm bn_set_low , -.Nm mul , -.Nm mul_add , -.Nm sqr +.Nm bn_wexpand .Nd BIGNUM library internal functions .Sh SYNOPSIS -.In openssl/bn.h +.Fd #include "bn_local.h" .Ft BN_ULONG .Fo bn_mul_words .Fa "BN_ULONG *rp" @@ -148,12 +132,6 @@ .Fa "BN_ULONG *r" .Fa "BN_ULONG *a" .Fc -.Ft int -.Fo bn_cmp_words -.Fa "BN_ULONG *a" -.Fa "BN_ULONG *b" -.Fa "int n" -.Fc .Ft void .Fo bn_mul_normal .Fa "BN_ULONG *r" @@ -162,60 +140,6 @@ .Fa "BN_ULONG *b" .Fa "int nb" .Fc -.Ft void -.Fo bn_mul_recursive -.Fa "BN_ULONG *r" -.Fa "BN_ULONG *a" -.Fa "BN_ULONG *b" -.Fa "int n2" -.Fa "int dna" -.Fa "int dnb" -.Fa "BN_ULONG *tmp" -.Fc -.Ft void -.Fo bn_mul_part_recursive -.Fa "BN_ULONG *r" -.Fa "BN_ULONG *a" -.Fa "BN_ULONG *b" -.Fa "int n" -.Fa "int tna" -.Fa "int tnb" -.Fa "BN_ULONG *tmp" -.Fc -.Ft void -.Fo bn_sqr_normal -.Fa "BN_ULONG *r" -.Fa "BN_ULONG *a" -.Fa "int n" -.Fa "BN_ULONG *tmp" -.Fc -.Ft void -.Fo bn_sqr_recursive -.Fa "BN_ULONG *r" -.Fa "BN_ULONG *a" -.Fa "int n2" -.Fa "BN_ULONG *tmp" -.Fc -.Ft void -.Fo mul -.Fa "BN_ULONG r" -.Fa "BN_ULONG a" -.Fa "BN_ULONG w" -.Fa "BN_ULONG c" -.Fc -.Ft void -.Fo mul_add -.Fa "BN_ULONG r" -.Fa "BN_ULONG a" -.Fa "BN_ULONG w" -.Fa "BN_ULONG c" -.Fc -.Ft void -.Fo sqr -.Fa "BN_ULONG r0" -.Fa "BN_ULONG r1" -.Fa "BN_ULONG a" -.Fc .Ft BIGNUM * .Fo bn_expand .Fa "BIGNUM *a" @@ -226,46 +150,8 @@ .Fa "BIGNUM *a" .Fa "int n" .Fc -.Ft BIGNUM * -.Fo bn_expand2 -.Fa "BIGNUM *a" -.Fa "int n" -.Fc -.Ft void -.Fo bn_fix_top -.Fa "BIGNUM *a" -.Fc -.Ft void -.Fo bn_check_top -.Fa "BIGNUM *a" -.Fc -.Ft void -.Fo bn_print -.Fa "BIGNUM *a" -.Fc -.Ft void -.Fo bn_dump -.Fa "BN_ULONG *d" -.Fa "int n" -.Fc -.Ft void -.Fo bn_set_max -.Fa "BIGNUM *a" -.Fc -.Ft void -.Fo bn_set_high -.Fa "BIGNUM *r" -.Fa "BIGNUM *a" -.Fa "int n" -.Fc -.Ft void -.Fo bn_set_low -.Fa "BIGNUM *r" -.Fa "BIGNUM *a" -.Fa "int n" -.Fc .Sh DESCRIPTION -This page documents the internal functions used by the OpenSSL +This page documents some internal functions used by the .Vt BIGNUM implementation. They are described here to facilitate debugging and extending the @@ -327,16 +213,12 @@ is a bit field of flags which are defined in .In openssl/bn.h . The flags begin with .Dv BN_FLG_ . -The macros -.Fn BN_set_flags b n +The functions +.Xr BN_set_flags 3 and -.Fn BN_get_flags b n -exist to enable or fetch flag(s) -.Fa n -from a -.Vt BIGNUM -structure -.Fa b . +.Xr BN_get_flags 3 +enable or inspect +.Fa flags . .Pp Various routines in this library require the use of temporary .Vt BIGNUM @@ -488,18 +370,6 @@ and the 16 word array .Pp The following functions are implemented in C: .Pp -.Fn bn_cmp_words a b n -operates on the -.Fa n -word arrays -.Fa a -and -.Fa b . -It returns 1, 0 and -1 if -.Fa a -is greater than, equal and less than -.Fa b . -.Pp .Fn bn_mul_normal r a na b nb operates on the .Fa na @@ -518,103 +388,15 @@ It computes and places the result in .Fa r . .Pp -.Fn bn_mul_recursive r a b n2 dna dnb t -operates on the word arrays -.Fa a -and -.Fa b -of length -.Fa n2 Ns + Ns Fa dna -and -.Fa n2 Ns + Ns Fa dnb -.Pf ( Fa dna -and -.Fa dnb -are currently allowed to be 0 or negative) and the -.Pf 2* Fa n2 -word arrays -.Fa r -and -.Sy t . -.Fa n2 -must be a power of 2. -It computes -.Fa a Ns * Ns Fa b -and places the result in -.Fa r . -.Pp -.Fn bn_mul_part_recursive r a b n tna tnb tmp -operates on the word arrays -.Fa a -and -.Fa b -of length -.Fa n Ns + Ns Fa tna -and -.Fa n Ns + Ns Fa tnb -and the -.Pf 4* Fa n -word arrays -.Fa r -and -.Fa tmp . -.Pp .Xr BN_mul 3 calls -.Fn bn_mul_normal , -or an optimized implementation if the factors have the same size: +.Fn bn_mul_comba4 +if both factors are 4 words long, .Fn bn_mul_comba8 -is used if they are 8 words long, -.Fn bn_mul_recursive -if they are larger than -.Dv BN_MULL_SIZE_NORMAL -and the size is an exact multiple of the word size, and -.Fn bn_mul_part_recursive -for others that are larger than -.Dv BN_MULL_SIZE_NORMAL . -.Pp -.Fn bn_sqr_normal r a n tmp -operates on the -.Fa n -word array -.Fa a -and the -.Pf 2* Fa n -word arrays -.Fa tmp -and -.Fa r . -.Pp -The implementations use the following macros which, depending on the -architecture, may use -.Vt long long -C operations or inline assembler. -They are defined in -.Pa bn_lcl.h . -.Pp -.Fn mul r a w c -computes -.Fa w Ns * Ns Fa a Ns + Ns Fa c -and places the low word of the result in -.Fa r -and the high word in -.Fa c . -.Pp -.Fn mul_add r a w c -computes -.Fa w Ns * Ns Fa a Ns + Ns Fa r Ns + Ns Fa c -and places the low word of the result in -.Fa r -and the high word in -.Fa c . -.Pp -.Fn sqr r0 r1 a -computes -.Fa a Ns * Ns Fa a -and places the low word of the result in -.Fa r0 -and the high word in -.Fa r1 . +if both factors are 8 words long, +or +.Fn bn_mul_normal +otherwise. .Ss Size changes .Fn bn_expand ensures that @@ -628,71 +410,6 @@ ensures that has enough space for an .Fa n word number. -If the number has to be expanded, both macros call -.Fn bn_expand2 , -which allocates a new -.Fa d -array and copies the data. -They return -.Dv NULL -on error, -.Fa b -otherwise. -.Pp -The -.Fn bn_fix_top -macro reduces -.Fa a Ns -> Ns Fa top -to point to the most significant non-zero word plus one when -.Fa a -has shrunk. -.Ss Debugging -.Fn bn_check_top -verifies that -.Ql ((a)-\(ratop \(ra= 0 && (a)-\(ratop \(la= (a)-\(radmax) . -A violation will cause the program to abort. -.Pp -.Fn bn_print -prints -.Fa a -to -.Dv stderr . -.Fn bn_dump -prints -.Fa n -words at -.Fa d -(in reverse order, i.e.\& -most significant word first) to -.Dv stderr . -.Pp -.Fn bn_set_max -makes -.Fa a -a static number with a -.Fa dmax -of its current size. -This is used by -.Fn bn_set_low -and -.Fn bn_set_high -to make -.Fa r -a read-only -.Vt BIGNUM -that contains the -.Fa n -low or high words of -.Fa a . -.Pp -If -.Dv BN_DEBUG -is not defined, -.Fn bn_check_top , -.Fn bn_print , -.Fn bn_dump -and -.Fn bn_set_max -are defined as empty macros. +They return 0 on error or 1 otherwise. .Sh SEE ALSO .Xr BN_new 3 |