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| author |   daurnimator <quae@daurnimator.com>
| 2016-01-03 08:12:54 +1100 |
|---|---|---|
| committer | daurnimator <quae@daurnimator.com>
| 2016-01-04 19:04:59 +1100 |
| commit | f5ceb7d11ffd98baa5fe06756370b60f2379195b (patch) | |
| tree | a9ef0d46e970efe8a407e75fb244f2fb0adb37e3 | |
| parent | a4bb486b51bf6dd74d942ce112703b746bb8173a (diff) | |
| download | luaossl-f5ceb7d11ffd98baa5fe06756370b60f2379195b.tar.gz luaossl-f5ceb7d11ffd98baa5fe06756370b60f2379195b.tar.bz2 luaossl-f5ceb7d11ffd98baa5fe06756370b60f2379195b.zip | |
bignum.new: Allow initialisation from hex strings
| -rw-r--r-- | src/openssl.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/openssl.c b/src/openssl.c index 71aaed4..82f3298 100644 --- a/src/openssl.c +++ b/src/openssl.c @@ -1673,7 +1673,7 @@ static _Bool f2bn(BIGNUM **bn, double f) { static BIGNUM *(checkbig)(lua_State *L, int index, _Bool *lvalue) { BIGNUM **bn; - const char *dec; + const char *str; size_t len; index = lua_absindex(L, index); @@ -1682,14 +1682,19 @@ static BIGNUM *(checkbig)(lua_State *L, int index, _Bool *lvalue) { case LUA_TSTRING: *lvalue = 0; - dec = lua_tolstring(L, index, &len); + str = lua_tolstring(L, index, &len); - luaL_argcheck(L, len > 0 && *dec, index, "invalid big number string"); + luaL_argcheck(L, len > 0 && *str, index, "invalid big number string"); bn = prepsimple(L, BIGNUM_CLASS); - if (!BN_dec2bn(bn, dec)) - auxL_error(L, auxL_EOPENSSL, "bignum"); + if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X')) { + if (!BN_hex2bn(bn, str+2)) + auxL_error(L, auxL_EOPENSSL, "bignum"); + } else { + if (!BN_dec2bn(bn, str)) + auxL_error(L, auxL_EOPENSSL, "bignum"); + } lua_replace(L, index); |