James Morris <[email protected]> wrote:

> > +   if (strcmp(encoding, "raw") == 0) {
> > +           strcpy(alg_name, pkey->pkey_algo);
> > +           return 0;
> > +   }
> 
> Can encoding here also be NULL to indicate raw? per patch 01:

Okay, I'm making the attached changes to patch 01.  They're
documentary/commentary only.

David
---
diff --git a/Documentation/security/keys/core.rst 
b/Documentation/security/keys/core.rst
index 2cdccde6c585..c144978479d5 100644
--- a/Documentation/security/keys/core.rst
+++ b/Documentation/security/keys/core.rst
@@ -1507,12 +1507,12 @@ The structure has a number of fields, some of which are 
mandatory:
                enum kernel_pkey_operation op : 8;
        };
 
-     This includes the key to be used; an optional string indicating the
-     encoding to use (for instance, "pkcs1" may be used with an RSA key to
-     indicate RSASSA-PKCS1-v1.5 or RSAES-PKCS1-v1.5 encoding); the name of the
-     hash algorithm used to generate the data for a signature (if appropriate);
-     the sizes of the input and output (or second input) buffers; and the ID of
-     the operation to be performed.
+     This includes the key to be used; a string indicating the encoding to use
+     (for instance, "pkcs1" may be used with an RSA key to indicate
+     RSASSA-PKCS1-v1.5 or RSAES-PKCS1-v1.5 encoding or "raw" if no encoding);
+     the name of the hash algorithm used to generate the data for a signature
+     (if appropriate); the sizes of the input and output (or second input)
+     buffers; and the ID of the operation to be performed.
 
      For a given operation ID, the input and output buffers are used as
      follows::
diff --git a/include/linux/keyctl.h b/include/linux/keyctl.h
index e89b4a4e43d0..c7c48c79ce0e 100644
--- a/include/linux/keyctl.h
+++ b/include/linux/keyctl.h
@@ -32,7 +32,7 @@ enum kernel_pkey_operation {
 
 struct kernel_pkey_params {
        struct key      *key;
-       const char      *encoding;      /* Encoding (eg. "oaep" or NULL for 
raw) */
+       const char      *encoding;      /* Encoding (eg. "oaep" or "raw" for 
none) */
        const char      *hash_algo;     /* Digest algorithm used (eg. "sha1") 
or NULL if N/A */
        char            *info;          /* Modified info string to be released 
later */
        __u32           in_len;         /* Input data size */

Reply via email to