paraslash 0.7.3

[paraslash.git] / gcrypt.c

diff --git a/gcrypt.c b/gcrypt.c
index dbe4900862fef83a552d9c60d9ac21d4c8253d5e..b46f8f9555824eb86b7bbf600b4352558ed2db26 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);
@@ -98,7 +114,6 @@ void crypt_shutdown(void)
 
 struct asymmetric_key {
        gcry_sexp_t sexp;
-       int num_bytes;
 };
 
 static const char *gcrypt_strerror(gcry_error_t gret)
@@ -390,7 +405,7 @@ static int get_private_key(const char *key_file, struct asymmetric_key **result)
                ret = -E_SEXP_BUILD;
                goto free_params;
        }
-       key = para_malloc(sizeof(*key));
+       key = alloc(sizeof(*key));
        key->sexp = sexp;
        *result = key;
        ret = bits;
@@ -440,11 +455,10 @@ int apc_get_pubkey(const char *key_file, struct asymmetric_key **result)
                goto release_n;
        }
        PARA_INFO_LOG("successfully read %u bit ssh public key\n", bits);
-       key = para_malloc(sizeof(*key));
-       key->num_bytes = ret;
+       key = alloc(sizeof(*key));
        key->sexp = sexp;
        *result = key;
-       ret = bits;
+       ret = bits / 8;
 release_n:
        gcry_mpi_release(n);
 release_e:
@@ -548,8 +562,6 @@ int apc_pub_encrypt(struct asymmetric_key *pub, unsigned char *inbuf,
        size_t nbytes;
        int ret;
 
-       PARA_INFO_LOG("encrypting %u byte input with %d-byte key\n", len, pub->num_bytes);
-
        /* get pub key */
        pub_key = gcry_sexp_find_token(pub->sexp, "public-key", 0);
        if (!pub_key)
@@ -608,7 +620,7 @@ struct stream_cipher {
 struct stream_cipher *sc_new(const unsigned char *data, int len)
 {
        gcry_error_t gret;
-       struct stream_cipher *sc = para_malloc(sizeof(*sc));
+       struct stream_cipher *sc = alloc(sizeof(*sc));
 
        assert(len >= 2 * AES_CRT128_BLOCK_SIZE);
        gret = gcry_cipher_open(&sc->handle, GCRY_CIPHER_AES128,