Introduce hash2 (sha256).

[paraslash.git] / gcrypt.c

diff --git a/gcrypt.c b/gcrypt.c
index dbe4900862fef83a552d9c60d9ac21d4c8253d5e..506f0bb84e6c199d065942553935dc27a8833d93 100644 (file)
--- a/gcrypt.c
+++ b/gcrypt.c
@@ -46,6 +46,22 @@ void hash_function(const char *data, unsigned long len, unsigned char *hash)
        gcry_md_close(handle);
 }
 
+void hash2_function(const char *data, unsigned long len, unsigned char *hash)
+{
+       gcry_error_t gret;
+       gcry_md_hd_t handle;
+       unsigned char *md;
+
+       gret = gcry_md_open(&handle, GCRY_MD_SHA256, 0);
+       assert(gret == 0);
+       gcry_md_write(handle, data, (size_t)len);
+       gcry_md_final(handle);
+       md = gcry_md_read(handle, GCRY_MD_SHA256);
+       assert(md);
+       memcpy(hash, md, HASH2_SIZE);
+       gcry_md_close(handle);
+}
+
 void get_random_bytes_or_die(unsigned char *buf, int num)
 {
        gcry_randomize(buf, (size_t)num, GCRY_STRONG_RANDOM);