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authormarha <marha@users.sourceforge.net>2009-11-17 15:53:57 +0000
committermarha <marha@users.sourceforge.net>2009-11-17 15:53:57 +0000
commit3fce787ffe938bb3e959ff0b3ec231e54d086c76 (patch)
tree198f537b43a34301bf781c67193c572f6743f925 /xorg-server/os/xsha1.c
parent236c69d6034b152598ce35abaf3559b0eaa89c12 (diff)
parent578938f1cdd5a06dd6fa28167d575ec980322a5d (diff)
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svn merge ^/branches/released
Diffstat (limited to 'xorg-server/os/xsha1.c')
-rw-r--r--xorg-server/os/xsha1.c168
1 files changed, 168 insertions, 0 deletions
diff --git a/xorg-server/os/xsha1.c b/xorg-server/os/xsha1.c
new file mode 100644
index 000000000..355862fb1
--- /dev/null
+++ b/xorg-server/os/xsha1.c
@@ -0,0 +1,168 @@
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "os.h"
+#include "xsha1.h"
+
+#if defined(HAVE_SHA1_IN_LIBMD) /* Use libmd for SHA1 */ \
+ || defined(HAVE_SHA1_IN_LIBC) /* Use libc for SHA1 */
+
+# include <sha1.h>
+
+void *x_sha1_init(void)
+{
+ SHA1_CTX *ctx = xalloc(sizeof(*ctx));
+ if (!ctx)
+ return NULL;
+ SHA1Init(ctx);
+ return ctx;
+}
+
+int x_sha1_update(void *ctx, void *data, int size)
+{
+ SHA1_CTX *sha1_ctx = ctx;
+ SHA1Update(sha1_ctx, data, size);
+ return 1;
+}
+
+int x_sha1_final(void *ctx, unsigned char result[20])
+{
+ SHA1_CTX *sha1_ctx = ctx;
+ SHA1Final(result, sha1_ctx);
+ xfree(sha1_ctx);
+ return 1;
+}
+
+#elif defined(HAVE_SHA1_IN_COMMONCRYPTO) /* Use CommonCrypto for SHA1 */
+
+#include <CommonCrypto/CommonDigest.h>
+
+void *x_sha1_init(void)
+{
+ CC_SHA1_CTX *ctx = xalloc(sizeof(*ctx));
+ if (!ctx)
+ return NULL;
+ CC_SHA1_Init(ctx);
+ return ctx;
+}
+
+int x_sha1_update(void *ctx, void *data, int size)
+{
+ CC_SHA1_CTX *sha1_ctx = ctx;
+ CC_SHA1_Update(sha1_ctx, data, size);
+ return 1;
+}
+
+int x_sha1_final(void *ctx, unsigned char result[20])
+{
+ CC_SHA1_CTX *sha1_ctx = ctx;
+ CC_SHA1_Final(result, sha1_ctx);
+ xfree(sha1_ctx);
+ return 1;
+}
+
+#elif defined(HAVE_SHA1_IN_LIBGCRYPT) /* Use libgcrypt for SHA1 */
+
+# include <gcrypt.h>
+
+void *x_sha1_init(void)
+{
+ static int init;
+ gcry_md_hd_t h;
+ gcry_error_t err;
+
+ if (!init) {
+ if (!gcry_check_version(NULL))
+ return NULL;
+ gcry_control(GCRYCTL_DISABLE_SECMEM, 0);
+ gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
+ init = 1;
+ }
+
+ err = gcry_md_open(&h, GCRY_MD_SHA1, 0);
+ if (err)
+ return NULL;
+ return h;
+}
+
+int x_sha1_update(void *ctx, void *data, int size)
+{
+ gcry_md_hd_t h = ctx;
+ gcry_md_write(h, data, size);
+ return 1;
+}
+
+int x_sha1_final(void *ctx, unsigned char result[20])
+{
+ gcry_md_hd_t h = ctx;
+ memcpy(result, gcry_md_read(h, GCRY_MD_SHA1), 20);
+ gcry_md_close(h);
+ return 1;
+}
+
+#elif defined(HAVE_SHA1_IN_LIBSHA1) /* Use libsha1 */
+
+# include <libsha1.h>
+
+void *x_sha1_init(void)
+{
+ sha1_ctx *ctx = xalloc(sizeof(*ctx));
+ if(!ctx)
+ return NULL;
+ sha1_begin(ctx);
+ return ctx;
+}
+
+int x_sha1_update(void *ctx, void *data, int size)
+{
+ sha1_hash(data, size, ctx);
+ return 1;
+}
+
+int x_sha1_final(void *ctx, unsigned char result[20])
+{
+ sha1_end(result, ctx);
+ xfree(ctx);
+ return 1;
+}
+
+#else /* Use OpenSSL's libcrypto */
+
+# include <stddef.h> /* buggy openssl/sha.h wants size_t */
+# include <openssl/sha.h>
+
+void *x_sha1_init(void)
+{
+ int ret;
+ SHA_CTX *ctx = xalloc(sizeof(*ctx));
+ if (!ctx)
+ return NULL;
+ ret = SHA1_Init(ctx);
+ if (!ret) {
+ xfree(ctx);
+ return NULL;
+ }
+ return ctx;
+}
+
+int x_sha1_update(void *ctx, void *data, int size)
+{
+ int ret;
+ SHA_CTX *sha_ctx = ctx;
+ ret = SHA1_Update(sha_ctx, data, size);
+ if (!ret)
+ xfree(sha_ctx);
+ return ret;
+}
+
+int x_sha1_final(void *ctx, unsigned char result[20])
+{
+ int ret;
+ SHA_CTX *sha_ctx = ctx;
+ ret = SHA1_Final(result, sha_ctx);
+ xfree(sha_ctx);
+ return ret;
+}
+
+#endif