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authorDaniel P. Berrangé <berrange@redhat.com>2024-10-30 10:09:30 +0000
committerDaniel P. Berrangé <berrange@redhat.com>2024-11-05 18:37:18 +0000
commita7e42752324a264439bef28da3ee3e2563cf0e16 (patch)
tree53690aa6f6563d24c815b1b7dd4bf3de9c56d6e9 /crypto
parentbbd40a0e316bb06e1320d71fa3be7e2f3d62c7a9 (diff)
crypto: perform runtime check for hash/hmac support in gcrypt
gcrypto has the ability to dynamically disable hash/hmac algorithms at runtime, so QEMU must perform a runtime check. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/hash-gcrypt.c2
-rw-r--r--crypto/hmac-gcrypt.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/crypto/hash-gcrypt.c b/crypto/hash-gcrypt.c
index 476b748195..af61c4e75d 100644
--- a/crypto/hash-gcrypt.c
+++ b/crypto/hash-gcrypt.c
@@ -43,7 +43,7 @@ gboolean qcrypto_hash_supports(QCryptoHashAlgo alg)
{
if (alg < G_N_ELEMENTS(qcrypto_hash_alg_map) &&
qcrypto_hash_alg_map[alg] != GCRY_MD_NONE) {
- return true;
+ return gcry_md_test_algo(qcrypto_hash_alg_map[alg]) == 0;
}
return false;
}
diff --git a/crypto/hmac-gcrypt.c b/crypto/hmac-gcrypt.c
index 090fe01c1e..5273086eb9 100644
--- a/crypto/hmac-gcrypt.c
+++ b/crypto/hmac-gcrypt.c
@@ -40,7 +40,7 @@ bool qcrypto_hmac_supports(QCryptoHashAlgo alg)
{
if (alg < G_N_ELEMENTS(qcrypto_hmac_alg_map) &&
qcrypto_hmac_alg_map[alg] != GCRY_MAC_NONE) {
- return true;
+ return gcry_mac_test_algo(qcrypto_hmac_alg_map[alg]) == 0;
}
return false;