From 7dae595e018f54db9aa1a813ff2140ec2d95ff6a Mon Sep 17 00:00:00 2001
From: Alejandro Zeise <alejandro.zeise@seagate.com>
Date: Tue, 8 Oct 2024 09:57:18 +0200
Subject: [PATCH] crypto/hash-gcrypt: Remove old hash API functions
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Removes old hash implementation in the gcrypt hash driver.

Signed-off-by: Alejandro Zeise <alejandro.zeise@seagate.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
[ clg: - Fixed spelling in commit log ]
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
 crypto/hash-gcrypt.c | 67 --------------------------------------------
 1 file changed, 67 deletions(-)

diff --git a/crypto/hash-gcrypt.c b/crypto/hash-gcrypt.c
index cb2cb37f25..ccc3cce3f8 100644
--- a/crypto/hash-gcrypt.c
+++ b/crypto/hash-gcrypt.c
@@ -45,72 +45,6 @@ gboolean qcrypto_hash_supports(QCryptoHashAlgo alg)
     return false;
 }
 
-
-static int
-qcrypto_gcrypt_hash_bytesv(QCryptoHashAlgo alg,
-                           const struct iovec *iov,
-                           size_t niov,
-                           uint8_t **result,
-                           size_t *resultlen,
-                           Error **errp)
-{
-    int i, ret;
-    gcry_md_hd_t md;
-    unsigned char *digest;
-
-    if (!qcrypto_hash_supports(alg)) {
-        error_setg(errp,
-                   "Unknown hash algorithm %d",
-                   alg);
-        return -1;
-    }
-
-    ret = gcry_md_open(&md, qcrypto_hash_alg_map[alg], 0);
-
-    if (ret < 0) {
-        error_setg(errp,
-                   "Unable to initialize hash algorithm: %s",
-                   gcry_strerror(ret));
-        return -1;
-    }
-
-    for (i = 0; i < niov; i++) {
-        gcry_md_write(md, iov[i].iov_base, iov[i].iov_len);
-    }
-
-    ret = gcry_md_get_algo_dlen(qcrypto_hash_alg_map[alg]);
-    if (ret <= 0) {
-        error_setg(errp,
-                   "Unable to get hash length: %s",
-                   gcry_strerror(ret));
-        goto error;
-    }
-    if (*resultlen == 0) {
-        *resultlen = ret;
-        *result = g_new0(uint8_t, *resultlen);
-    } else if (*resultlen != ret) {
-        error_setg(errp,
-                   "Result buffer size %zu is smaller than hash %d",
-                   *resultlen, ret);
-        goto error;
-    }
-
-    digest = gcry_md_read(md, 0);
-    if (!digest) {
-        error_setg(errp,
-                   "No digest produced");
-        goto error;
-    }
-    memcpy(*result, digest, *resultlen);
-
-    gcry_md_close(md);
-    return 0;
-
- error:
-    gcry_md_close(md);
-    return -1;
-}
-
 static
 QCryptoHash *qcrypto_gcrypt_hash_new(QCryptoHashAlgo alg, Error **errp)
 {
@@ -187,7 +121,6 @@ int qcrypto_gcrypt_hash_finalize(QCryptoHash *hash,
 }
 
 QCryptoHashDriver qcrypto_hash_lib_driver = {
-    .hash_bytesv = qcrypto_gcrypt_hash_bytesv,
     .hash_new      = qcrypto_gcrypt_hash_new,
     .hash_update   = qcrypto_gcrypt_hash_update,
     .hash_finalize = qcrypto_gcrypt_hash_finalize,