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pki: Verify the provided public key has expected type

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Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
(cherry picked from commit 783e5fd206)
This commit is contained in:
Jakub Jelen
2018-11-26 15:42:26 +01:00
committed by Andreas Schneider
parent 5ffe695c3c
commit ad4f1dbea0
3 changed files with 24 additions and 0 deletions
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8
src/pki_crypto.c
View File

@@ -1600,6 +1600,14 @@ 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;

8
src/pki_gcrypt.c
View File

@@ -1848,6 +1848,14 @@ ssh_signature pki_signature_from_blob(const ssh_key pubkey,
size_t rsalen;
int rc;
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;

8
src/pki_mbedcrypto.c
View File

@@ -897,6 +897,14 @@ ssh_signature pki_signature_from_blob(const ssh_key pubkey,
ssh_signature sig = NULL;
int rc;
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;