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-rw-r--r--src/pki_crypto.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/pki_crypto.c b/src/pki_crypto.c
index 8f3b21ea..366b377d 100644
--- a/src/pki_crypto.c
+++ b/src/pki_crypto.c
@@ -1601,6 +1601,14 @@ ssh_signature pki_signature_from_blob(const ssh_key pubkey,
int rc;
BIGNUM *pr = NULL, *ps = NULL;
+ if (type != pubkey->type) {
+ SSH_LOG(SSH_LOG_WARN,
+ "Incompatible public key provided (%d) expecting (%d)",
+ type,
+ pubkey->type);
+ return NULL;
+ }
+
sig = ssh_signature_new();
if (sig == NULL) {
return NULL;