util: import sha1 implementation from OpenBSD

[mesa.git] / src / util / mesa-sha1.c

diff --git a/src/util/mesa-sha1.c b/src/util/mesa-sha1.c
index b6a192f4dab663e12132ea8fe03058f3874a8cda..e8f1bad22f08c78882818e69463b2c278257b633 100644 (file)
--- a/src/util/mesa-sha1.c
+++ b/src/util/mesa-sha1.c
@@ -24,15 +24,9 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#include "sha1/sha1.h"
 #include "mesa-sha1.h"
 
-#ifdef HAVE_SHA1
-
-#if defined(HAVE_SHA1_IN_LIBMD)  /* Use libmd for SHA1 */ \
-       || defined(HAVE_SHA1_IN_LIBC)   /* Use libc for SHA1 */
-
-#include <sha1.h>
-
 struct mesa_sha1 *
 _mesa_sha1_init(void)
 {
@@ -64,238 +58,6 @@ _mesa_sha1_final(struct mesa_sha1 *ctx, unsigned char result[20])
    return 1;
 }
 
-#elif defined(HAVE_SHA1_IN_COMMONCRYPTO)        /* Use CommonCrypto for SHA1 */
-
-#include <CommonCrypto/CommonDigest.h>
-
-struct mesa_sha1 *
-_mesa_sha1_init(void)
-{
-   CC_SHA1_CTX *ctx = malloc(sizeof(*ctx));
-
-   if (!ctx)
-      return NULL;
-
-   CC_SHA1_Init(ctx);
-   return (struct mesa_sha1 *) ctx;
-}
-
-int
-_mesa_sha1_update(struct mesa_sha1 *ctx, const void *data, int size)
-{
-   CC_SHA1_CTX *sha1_ctx = (CC_SHA1_CTX *) ctx;
-
-   CC_SHA1_Update(sha1_ctx, data, size);
-   return 1;
-}
-
-int
-_mesa_sha1_final(struct mesa_sha1 *ctx, unsigned char result[20])
-{
-   CC_SHA1_CTX *sha1_ctx = (CC_SHA1_CTX *) ctx;
-
-   CC_SHA1_Final(result, sha1_ctx);
-   free(sha1_ctx);
-   return 1;
-}
-
-#elif defined(HAVE_SHA1_IN_CRYPTOAPI)        /* Use CryptoAPI for SHA1 */
-
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#include <wincrypt.h>
-
-static HCRYPTPROV hProv;
-
-struct mesa_sha1 *
-_mesa_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 (struct mesa_sha1 *) ctx;
-}
-
-int
-_mesa_sha1_update(struct mesa_sha1 *ctx, const void *data, int size)
-{
-   HCRYPTHASH *hHash = (HCRYPTHASH *) ctx;
-
-   CryptHashData(*hHash, data, size, 0);
-   return 1;
-}
-
-int
-_mesa_sha1_final(struct mesa_sha1 *ctx, unsigned char result[20])
-{
-   HCRYPTHASH *hHash = (HCRYPTHASH *) 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_LIBNETTLE)   /* Use libnettle for SHA1 */
-
-#include <nettle/sha.h>
-
-struct mesa_sha1 *
-_mesa_sha1_init(void)
-{
-   struct sha1_ctx *ctx = malloc(sizeof(*ctx));
-
-   if (!ctx)
-      return NULL;
-   sha1_init(ctx);
-   return (struct mesa_sha1 *) ctx;
-}
-
-int
-_mesa_sha1_update(struct mesa_sha1 *ctx, const void *data, int size)
-{
-   sha1_update((struct sha1_ctx *) ctx, size, data);
-   return 1;
-}
-
-int
-_mesa_sha1_final(struct mesa_sha1 *ctx, unsigned char result[20])
-{
-   sha1_digest((struct sha1_ctx *) ctx, 20, result);
-   free(ctx);
-   return 1;
-}
-
-#elif defined(HAVE_SHA1_IN_LIBGCRYPT)   /* Use libgcrypt for SHA1 */
-
-#include <gcrypt.h>
-#include "c11/threads.h"
-
-static void _mesa_libgcrypt_init(void)
-{
-   if (!gcry_check_version(NULL))
-      return;
-
-   gcry_control(GCRYCTL_DISABLE_SECMEM, 0);
-   gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
-}
-
-struct mesa_sha1 *
-_mesa_sha1_init(void)
-{
-   static once_flag flag = ONCE_FLAG_INIT;
-   gcry_md_hd_t h;
-   gcry_error_t err;
-
-   call_once(&flag, _mesa_libgcrypt_init);
-
-   err = gcry_md_open(&h, GCRY_MD_SHA1, 0);
-   if (err)
-      return NULL;
-   return (struct mesa_sha1 *) h;
-}
-
-int
-_mesa_sha1_update(struct mesa_sha1 *ctx, const void *data, int size)
-{
-   gcry_md_hd_t h = (gcry_md_hd_t) ctx;
-
-   gcry_md_write(h, data, size);
-   return 1;
-}
-
-int
-_mesa_sha1_final(struct mesa_sha1 *ctx, unsigned char result[20])
-{
-   gcry_md_hd_t h = (gcry_md_hd_t) 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>
-
-struct mesa_sha1 *
-_mesa_sha1_init(void)
-{
-   sha1_ctx *ctx = malloc(sizeof(*ctx));
-
-   if (!ctx)
-      return NULL;
-   sha1_begin(ctx);
-   return (struct mesa_sha1 *) ctx;
-}
-
-int
-_mesa_sha1_update(struct mesa_sha1 *ctx, const void *data, int size)
-{
-   sha1_hash(data, size, (sha1_ctx *) ctx);
-   return 1;
-}
-
-int
-_mesa_sha1_final(struct mesa_sha1 *ctx, unsigned char result[20])
-{
-   sha1_end(result, (sha1_ctx *) ctx);
-   free(ctx);
-   return 1;
-}
-
-#else                           /* Use OpenSSL's libcrypto */
-
-#include <stddef.h>             /* buggy openssl/sha.h wants size_t */
-#include <openssl/sha.h>
-
-struct mesa_sha1 *
-_mesa_sha1_init(void)
-{
-   int ret;
-   SHA_CTX *ctx = malloc(sizeof(*ctx));
-
-   if (!ctx)
-      return NULL;
-   ret = SHA1_Init(ctx);
-   if (!ret) {
-      free(ctx);
-      return NULL;
-   }
-   return (struct mesa_sha1 *) ctx;
-}
-
-int
-_mesa_sha1_update(struct mesa_sha1 *ctx, const void *data, int size)
-{
-   int ret;
-   SHA_CTX *sha_ctx = (SHA_CTX *) ctx;
-
-   ret = SHA1_Update(sha_ctx, data, size);
-   if (!ret)
-      free(sha_ctx);
-   return ret;
-}
-
-int
-_mesa_sha1_final(struct mesa_sha1 *ctx, unsigned char result[20])
-{
-   int ret;
-   SHA_CTX *sha_ctx = (SHA_CTX *) ctx;
-
-   ret = SHA1_Final(result, (SHA_CTX *) sha_ctx);
-   free(sha_ctx);
-   return ret;
-}
-
-#endif
-
 void
 _mesa_sha1_compute(const void *data, size_t size, unsigned char result[20])
 {
@@ -320,5 +82,3 @@ _mesa_sha1_format(char *buf, const unsigned char *sha1)
 
    return buf;
 }
-
-#endif