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[crypto] Use linker tables for RSA digestInfo prefixes

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Allow external code to specify RSA digestInfo prefixes for additional
digest algorithms.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2012-03-20 04:20:06 +00:00
parent 7869f71ae7
commit 05c13716f9
2 changed files with 44 additions and 37 deletions
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18
src/include/ipxe/rsa.h
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@@ -11,6 +11,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
#include <ipxe/crypto.h>
#include <ipxe/bigint.h>
#include <ipxe/asn1.h>
#include <ipxe/tables.h>
/** ASN.1 OID for iso(1) member-body(2) us(840) */
#define ASN1_OID_ISO_US ASN1_OID_ISO_MEMBERBODY, ASN1_OID_DOUBLE ( 840 )
@@ -111,6 +112,23 @@ FILE_LICENCE ( GPL2_OR_LATER );
RSA_DIGESTALGORITHM ( __VA_ARGS__ ), \
RSA_DIGEST_PREFIX ( digest_size )
/** An RSA digestInfo prefix */
struct rsa_digestinfo_prefix {
/** Digest algorithm */
struct digest_algorithm *digest;
/** Prefix */
const void *data;
/** Length of prefix */
size_t len;
};
/** RSA digestInfo prefix table */
#define RSA_DIGESTINFO_PREFIXES \
__table ( struct rsa_digestinfo_prefix, "rsa_digestinfo_prefixes" )
/** Declare an RSA digestInfo prefix */
#define __rsa_digestinfo_prefix __table_entry ( RSA_DIGESTINFO_PREFIXES, 01 )
/** An RSA context */
struct rsa_context {
/** Allocated memory */