[v3,08/12] crypto/hash-nettle: Remove old hash API

Commit Message

Alejandro Zeise Aug. 5, 2024, 3:50 p.m. UTC

Removes old implemention in the nettle hash driver. Will
be replaced with a new implementation in accordance
with the accumulative hashing changes in the patch series.

Signed-off-by: Alejandro Zeise <[e-mail]>
---
 crypto/hash-nettle.c | 52 +-------------------------------------------
 1 file changed, 1 insertion(+), 51 deletions(-)

Patch

diff --git a/crypto/hash-nettle.c b/crypto/hash-nettle.c
index 1ca1a41062..dbf1d96dfe 100644
--- a/crypto/hash-nettle.c
+++ b/crypto/hash-nettle.c
@@ -1,6 +1,7 @@ 
 /*
  * QEMU Crypto hash algorithms
  *
+ * Copyright (c) 2024 Seagate Technology LLC and/or its Affiliates
  * Copyright (c) 2016 Red Hat, Inc.
  *
  * This library is free software; you can redistribute it and/or
@@ -104,58 +105,7 @@  gboolean qcrypto_hash_supports(QCryptoHashAlgorithm alg)
 }
 
 
-static int
-qcrypto_nettle_hash_bytesv(QCryptoHashAlgorithm alg,
-                           const struct iovec *iov,
-                           size_t niov,
-                           uint8_t **result,
-                           size_t *resultlen,
-                           Error **errp)
-{
-    size_t i;
-    union qcrypto_hash_ctx ctx;
-
-    if (!qcrypto_hash_supports(alg)) {
-        error_setg(errp,
-                   "Unknown hash algorithm %d",
-                   alg);
-        return -1;
-    }
-
-    qcrypto_hash_alg_map[alg].init(&ctx);
-
-    for (i = 0; i < niov; i++) {
-        /* Some versions of nettle have functions
-         * declared with 'int' instead of 'size_t'
-         * so to be safe avoid writing more than
-         * UINT_MAX bytes at a time
-         */
-        size_t len = iov[i].iov_len;
-        uint8_t *base = iov[i].iov_base;
-        while (len) {
-            size_t shortlen = MIN(len, UINT_MAX);
-            qcrypto_hash_alg_map[alg].write(&ctx, len, base);
-            len -= shortlen;
-            base += len;
-        }
-    }
-
-    if (*resultlen == 0) {
-        *resultlen = qcrypto_hash_alg_map[alg].len;
-        *result = g_new0(uint8_t, *resultlen);
-    } else if (*resultlen != qcrypto_hash_alg_map[alg].len) {
-        error_setg(errp,
-                   "Result buffer size %zu is smaller than hash %zu",
-                   *resultlen, qcrypto_hash_alg_map[alg].len);
-        return -1;
-    }
-
-    qcrypto_hash_alg_map[alg].result(&ctx, *resultlen, *result);
-
-    return 0;
-}
 
 
 QCryptoHashDriver qcrypto_hash_lib_driver = {
-    .hash_bytesv = qcrypto_nettle_hash_bytesv,
 };