diff options
author | Yaakov Selkowitz <yselkowitz@users.sourceforge.net> | 2012-04-26 01:49:06 -0500 |
---|---|---|
committer | Yaakov Selkowitz <yselkowitz@users.sourceforge.net> | 2012-05-04 13:13:50 -0500 |
commit | e6461db6dcb437cfa7d4b23008c2c12f8169ff79 (patch) | |
tree | fcf4d8f7922d3ad99d8f49a24d50eb91a8e0b231 | |
parent | 97041364a6acb2b66b5cfd06757c90a006ad50e9 (diff) |
os: Add CryptoAPI as a choice of SHA1 implementation
Both Cygwin and MinGW can use Windows' native CryptoAPI for SHA1,
saving a dependency on libgcrypt or OpenSSL. The necessary functions
are in ADVAPI32.DLL, which is among the default lib flags and is
already used in hw/xwin for accessing the registry.
Signed-off-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
Reviewed-by: Mikhail Gusarov <dottedmag@dottedmag.net>
Reviewed-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
Tested-by: Colin Harrison <colin.harrison@virgin.net>
-rw-r--r-- | configure.ac | 15 | ||||
-rw-r--r-- | include/dix-config.h.in | 3 | ||||
-rw-r--r-- | os/xsha1.c | 42 |
3 files changed, 59 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 6a41ea83f..97ceab1b8 100644 --- a/configure.ac +++ b/configure.ac @@ -1355,7 +1355,7 @@ CORE_INCS='-I$(top_srcdir)/include -I$(top_builddir)/include' # SHA1 hashing AC_ARG_WITH([sha1], - [AS_HELP_STRING([--with-sha1=libc|libmd|libgcrypt|libcrypto|libsha1|CommonCrypto], + [AS_HELP_STRING([--with-sha1=libc|libmd|libgcrypt|libcrypto|libsha1|CommonCrypto|CryptoAPI], [choose SHA1 implementation])]) AC_CHECK_FUNC([SHA1Init], [HAVE_SHA1_IN_LIBC=yes]) if test "x$with_sha1" = x && test "x$HAVE_SHA1_IN_LIBC" = xyes; then @@ -1381,6 +1381,19 @@ if test "x$with_sha1" = xCommonCrypto; then [Use CommonCrypto SHA1 functions]) SHA1_LIBS="" fi +dnl stdcall functions cannot be tested with AC_CHECK_LIB +AC_CHECK_HEADER([wincrypt.h], [HAVE_SHA1_IN_CRYPTOAPI=yes], [], [#include <windows.h>]) +if test "x$with_sha1" = x && test "x$HAVE_SHA1_IN_CRYPTOAPI" = xyes; then + with_sha1=CryptoAPI +fi +if test "x$with_sha1" = xCryptoAPI && test "x$HAVE_SHA1_IN_CRYPTOAPI" != xyes; then + AC_MSG_ERROR([CryptoAPI requested but not found]) +fi +if test "x$with_sha1" = xCryptoAPI; then + AC_DEFINE([HAVE_SHA1_IN_CRYPTOAPI], [1], + [Use CryptoAPI SHA1 functions]) + SHA1_LIBS="" +fi AC_CHECK_LIB([md], [SHA1Init], [HAVE_LIBMD=yes]) if test "x$with_sha1" = x && test "x$HAVE_LIBMD" = xyes; then with_sha1=libmd diff --git a/include/dix-config.h.in b/include/dix-config.h.in index 3fb641367..3c9bbafeb 100644 --- a/include/dix-config.h.in +++ b/include/dix-config.h.in @@ -148,6 +148,9 @@ /* Define to use CommonCrypto SHA1 functions */ #undef HAVE_SHA1_IN_COMMONCRYPTO +/* Define to use CryptoAPI SHA1 functions */ +#undef HAVE_SHA1_IN_CRYPTOAPI + /* Define to use libmd SHA1 functions */ #undef HAVE_SHA1_IN_LIBMD diff --git a/os/xsha1.c b/os/xsha1.c index dccce74b6..fa66c7a06 100644 --- a/os/xsha1.c +++ b/os/xsha1.c @@ -74,6 +74,48 @@ x_sha1_final(void *ctx, unsigned char result[20]) return 1; } +#elif defined(HAVE_SHA1_IN_CRYPTOAPI) /* Use CryptoAPI for SHA1 */ + +#define WIN32_LEAN_AND_MEAN +#include <X11/Xwindows.h> +#include <wincrypt.h> + +static HCRYPTPROV hProv; + +void * +x_sha1_init(void) +{ + HCRYPTHASH *ctx = malloc(sizeof(*ctx)); + + if (!ctx) + return NULL; + CryptAcquireContext(&hProv, NULL, MS_DEF_PROV, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT); + CryptCreateHash(hProv, CALG_SHA1, 0, 0, ctx); + return ctx; +} + +int +x_sha1_update(void *ctx, void *data, int size) +{ + HCRYPTHASH *hHash = ctx; + + CryptHashData(*hHash, data, size, 0); + return 1; +} + +int +x_sha1_final(void *ctx, unsigned char result[20]) +{ + HCRYPTHASH *hHash = ctx; + DWORD len = 20; + + CryptGetHashParam(*hHash, HP_HASHVAL, result, &len, 0); + CryptDestroyHash(*hHash); + CryptReleaseContext(hProv, 0); + free(ctx); + return 1; +} + #elif defined(HAVE_SHA1_IN_LIBGCRYPT) /* Use libgcrypt for SHA1 */ #include <gcrypt.h> |