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| author | Ben Wiederhake <BenWiederhake.GitHub@gmx> | 2015-09-29 19:24:42 +0300 |
|---|---|---|
| committer | Ben Wiederhake <BenWiederhake.GitHub@gmx> | 2015-10-01 21:59:54 +0300 |
| commit | 1faa1591ac735960b0e06824cb4b16fb5f53e46d (patch) | |
| tree | d7806b354e9c0a93b6e135af5243d0f91dcf822d | |
| parent | 9e2cd6bd9099a2b49729ba8f3c69c51ef739ea96 (diff) | |
Simplify BN interface.
| -rw-r--r-- | crypto/bn.h | 2 | ||||
| -rw-r--r-- | crypto/bn_openssl.c | 7 |
2 files changed, 6 insertions, 3 deletions
diff --git a/crypto/bn.h b/crypto/bn.h index 066b971..d375371 100644 --- a/crypto/bn.h +++ b/crypto/bn.h @@ -37,7 +37,7 @@ TGLC_bn * TGLC_bn_bin2bn(const unsigned char *s, int len, TGLC_bn *ret); int TGLC_bn_set_word (TGLC_bn *a, unsigned long w); unsigned long TGLC_bn_get_word (const TGLC_bn *a); int TGLC_bn_num_bits (const TGLC_bn *a); -int TGLC_bn_sub (TGLC_bn *r, const TGLC_bn *a, const TGLC_bn *b); +void TGLC_bn_sub (TGLC_bn *r, const TGLC_bn *a, const TGLC_bn *b); int TGLC_bn_div (TGLC_bn *dv, TGLC_bn *rem, const TGLC_bn *a, const TGLC_bn *d, TGLC_bn_ctx *ctx); int TGLC_bn_mod_exp (TGLC_bn *r, const TGLC_bn *a, const TGLC_bn *p, const TGLC_bn *m, TGLC_bn_ctx *ctx); diff --git a/crypto/bn_openssl.c b/crypto/bn_openssl.c index ae61ce0..a475fd9 100644 --- a/crypto/bn_openssl.c +++ b/crypto/bn_openssl.c @@ -22,6 +22,8 @@ #ifndef TGL_AVOID_OPENSSL_BN +#include <assert.h> + #include <openssl/bn.h> #include "bn.h" @@ -78,8 +80,9 @@ int TGLC_bn_num_bits (const TGLC_bn *a) { return BN_num_bits (unwrap_bn (a)); } -int TGLC_bn_sub (TGLC_bn *r, const TGLC_bn *a, const TGLC_bn *b) { - return BN_sub (unwrap_bn (r), unwrap_bn (a), unwrap_bn (b)); +void TGLC_bn_sub (TGLC_bn *r, const TGLC_bn *a, const TGLC_bn *b) { + int res = BN_sub (unwrap_bn (r), unwrap_bn (a), unwrap_bn (b)); + assert (res); } int TGLC_bn_div (TGLC_bn *dv, TGLC_bn *rem, const TGLC_bn *a, const TGLC_bn *d, TGLC_bn_ctx *ctx) { |