Commit 9b5e8856 authored by Paul Bakker's avatar Paul Bakker
Browse files

PKCS#5 PBES2 now uses OID database for algorithm detection

parent 6d72f334
......@@ -29,6 +29,7 @@
#include <string.h>
#include "asn1.h"
#include "cipher.h"
#include "md.h"
#include "pk.h"
#include "x509.h"
......@@ -55,7 +56,10 @@
* ISO Identified organization OID parts
*/
#define OID_ORG_DOD "\x06" /* {dod(6)} */
#define OID_OIW_SECSIG_SHA1 "\x0e\x03\x02\x1a"
#define OID_ORG_OIW "\x0e"
#define OID_OIW_SECSIG OID_ORG_OIW "\x03"
#define OID_OIW_SECSIG_ALG OID_OIW_SECSIG "\x02"
#define OID_OIW_SECSIG_SHA1 OID_OIW_SECSIG_ALG "\x1a"
/*
* ISO ITU OID parts
......@@ -143,10 +147,18 @@
#define OID_TIME_STAMPING OID_KP "\x08" /**< id-kp-timeStamping OBJECT IDENTIFIER ::= { id-kp 8 } */
#define OID_OCSP_SIGNING OID_KP "\x09" /**< id-kp-OCSPSigning OBJECT IDENTIFIER ::= { id-kp 9 } */
/*
* PKCS definition OIDs
*/
#define OID_PKCS OID_RSA_COMPANY "\x01" /**< pkcs OBJECT IDENTIFIER ::= { iso(1) member-body(2) us(840) rsadsi(113549) 1 } */
#define OID_PKCS1 OID_PKCS "\x01" /**< pkcs-1 OBJECT IDENTIFIER ::= { iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) 1 } */
#define OID_PKCS5 OID_PKCS "\x05" /**< pkcs-5 OBJECT IDENTIFIER ::= { iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) 5 } */
#define OID_PKCS9 OID_PKCS "\x09" /**< pkcs-9 OBJECT IDENTIFIER ::= { iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) 9 } */
/*
* PKCS#1 OIDs
*/
#define OID_PKCS1_RSA OID_PKCS1 "\x01" /**< rsaEncryption OBJECT IDENTIFIER ::= { pkcs-1 1 } */
#define OID_PKCS1_MD2 OID_PKCS1 "\x02" /**< md2WithRSAEncryption ::= { pkcs-1 2 } */
#define OID_PKCS1_MD4 OID_PKCS1 "\x03" /**< md4WithRSAEncryption ::= { pkcs-1 3 } */
......@@ -161,6 +173,9 @@
#define OID_PKCS9_EMAIL OID_PKCS9 "\x01" /**< emailAddress AttributeType ::= { pkcs-9 1 } */
/*
* Digest algorithms
*/
#define OID_DIGEST_ALG_MD2 OID_RSA_COMPANY "\x02\x02" /**< id-md2 OBJECT IDENTIFIER ::= { iso(1) member-body(2) us(840) rsadsi(113549) digestAlgorithm(2) 2 } */
#define OID_DIGEST_ALG_MD4 OID_RSA_COMPANY "\x02\x04" /**< id-md4 OBJECT IDENTIFIER ::= { iso(1) member-body(2) us(840) rsadsi(113549) digestAlgorithm(2) 4 } */
#define OID_DIGEST_ALG_MD5 OID_RSA_COMPANY "\x02\x05" /**< id-md5 OBJECT IDENTIFIER ::= { iso(1) member-body(2) us(840) rsadsi(113549) digestAlgorithm(2) 5 } */
......@@ -172,6 +187,31 @@
#define OID_DIGEST_ALG_SHA512 OID_GOV "\x03\x04\x02\x03" /**< id-sha512 OBJECT IDENTIFIER ::= { joint-iso-itu-t(2) country(16) us(840) organization(1) gov(101) csor(3) nistalgorithm(4) hashalgs(2) 3 } */
#define OID_HMAC_SHA1 OID_RSA_COMPANY "\x02\x07" /**< id-hmacWithSHA1 OBJECT IDENTIFIER ::= { iso(1) member-body(2) us(840) rsadsi(113549) digestAlgorithm(2) 7 } */
/*
* Encryption algorithms
*/
#define OID_DES_CBC OID_ISO_IDENTIFIED_ORG OID_OIW_SECSIG_ALG "\x07" /**< desCBC OBJECT IDENTIFIER ::= { iso(1) identified-organization(3) oiw(14) secsig(3) algorithms(2) 7 } */
#define OID_DES_EDE3_CBC OID_RSA_COMPANY "\x03\x07" /**< des-ede3-cbc OBJECT IDENTIFIER ::= { iso(1) member-body(2) -- us(840) rsadsi(113549) encryptionAlgorithm(3) 7 } */
/*
* PKCS#5 OIDs
*/
#define OID_PKCS5_PBKDF2 OID_PKCS5 "\x0c" /**< id-PBKDF2 OBJECT IDENTIFIER ::= {pkcs-5 12} */
#define OID_PKCS5_PBES2 OID_PKCS5 "\x0d" /**< id-PBES2 OBJECT IDENTIFIER ::= {pkcs-5 13} */
#define OID_PKCS5_PBMAC1 OID_PKCS5 "\x0e" /**< id-PBMAC1 OBJECT IDENTIFIER ::= {pkcs-5 14} */
/*
* PKCS#5 PBES1 algorithms
*/
#define OID_PKCS5_PBE_MD2_DES_CBC OID_PKCS5 "\x01" /**< pbeWithMD2AndDES-CBC OBJECT IDENTIFIER ::= {pkcs-5 1} */
#define OID_PKCS5_PBE_MD2_RC2_CBC OID_PKCS5 "\x04" /**< pbeWithMD2AndRC2-CBC OBJECT IDENTIFIER ::= {pkcs-5 4} */
#define OID_PKCS5_PBE_MD5_DES_CBC OID_PKCS5 "\x03" /**< pbeWithMD5AndDES-CBC OBJECT IDENTIFIER ::= {pkcs-5 3} */
#define OID_PKCS5_PBE_MD5_RC2_CBC OID_PKCS5 "\x06" /**< pbeWithMD5AndRC2-CBC OBJECT IDENTIFIER ::= {pkcs-5 6} */
#define OID_PKCS5_PBE_SHA1_DES_CBC OID_PKCS5 "\x0a" /**< pbeWithSHA1AndDES-CBC OBJECT IDENTIFIER ::= {pkcs-5 10} */
#define OID_PKCS5_PBE_SHA1_RC2_CBC OID_PKCS5 "\x0b" /**< pbeWithSHA1AndRC2-CBC OBJECT IDENTIFIER ::= {pkcs-5 11} */
#ifdef __cplusplus
extern "C" {
#endif
......@@ -294,6 +334,16 @@ int oid_get_extended_key_usage( const asn1_buf *oid, const char **desc );
*/
int oid_get_oid_by_md( md_type_t md_alg, const char **oid_str );
/**
* \brief Translate encryption algorithm OID into cipher_type
*
* \param oid OID to use
* \param cipher_alg place to store cipher algorithm
*
* \return 0 if successful, or POLARSSL_ERR_OID_NOT_FOUND
*/
int oid_get_cipher_alg( const asn1_buf *oid, cipher_type_t *cipher_alg );
#ifdef __cplusplus
}
#endif
......
......@@ -49,24 +49,6 @@ typedef UINT32 uint32_t;
#define PKCS5_DECRYPT 0
#define PKCS5_ENCRYPT 1
/*
* PKCS#5 OIDs
*/
#define OID_PKCS5 "\x2a\x86\x48\x86\xf7\x0d\x01\x05"
#define OID_PKCS5_PBES2 OID_PKCS5 "\x0d"
#define OID_PKCS5_PBKDF2 OID_PKCS5 "\x0c"
/*
* Encryption Algorithm OIDs
*/
#define OID_DES_CBC "\x2b\x0e\x03\x02\x07"
#define OID_DES_EDE3_CBC "\x2a\x86\x48\x86\xf7\x0d\x03\x07"
/*
* Digest Algorithm OIDs
*/
#define OID_HMAC_SHA1 "\x2a\x86\x48\x86\xf7\x0d\x02\x07"
#ifdef __cplusplus
extern "C" {
#endif
......
......@@ -30,7 +30,6 @@
#if defined(POLARSSL_OID_C)
#include "polarssl/oid.h"
#include "polarssl/md.h"
#include "polarssl/rsa.h"
#include <stdio.h>
......@@ -201,6 +200,30 @@ static const oid_pk_alg_t oid_pk_alg[] =
},
};
/*
* For PKCS#5 PBES2 encryption algorithm
*/
typedef struct {
oid_descriptor_t descriptor;
cipher_type_t cipher_alg;
} oid_cipher_alg_t;
static const oid_cipher_alg_t oid_cipher_alg[] =
{
{
{ OID_DES_CBC, "desCBC", "DES-CBC" },
POLARSSL_CIPHER_DES_CBC,
},
{
{ OID_DES_EDE3_CBC, "des-ede3-cbc", "DES-EDE3-CBC" },
POLARSSL_CIPHER_DES_EDE3_CBC,
},
{
{ NULL, NULL, NULL },
0,
},
};
/*
* For digestAlgorithm
*/
......@@ -452,6 +475,14 @@ static const oid_md_alg_t *oid_md_alg_from_asn1( const asn1_buf *oid )
oid );
}
static const oid_cipher_alg_t *oid_cipher_alg_from_asn1( const asn1_buf *oid )
{
return (const oid_cipher_alg_t *) oid_descriptor_from_asn1(
oid_cipher_alg,
sizeof(oid_cipher_alg_t),
oid );
}
int oid_get_attr_short_name( const asn1_buf *oid, const char **short_name )
{
const oid_x520_attr_t *data = oid_x520_attr_from_asn1( oid );
......@@ -554,4 +585,17 @@ int oid_get_oid_by_md( md_type_t md_alg,
return( POLARSSL_ERR_OID_NOT_FOUND );
}
int oid_get_cipher_alg( const asn1_buf *oid,
cipher_type_t *cipher_alg )
{
const oid_cipher_alg_t *data = oid_cipher_alg_from_asn1( oid );
if( data == NULL )
return( POLARSSL_ERR_OID_NOT_FOUND );
*cipher_alg = data->cipher_alg;
return( 0 );
}
#endif /* POLARSSL_OID_C */
......@@ -40,6 +40,7 @@
#include "polarssl/pkcs5.h"
#include "polarssl/asn1.h"
#include "polarssl/cipher.h"
#include "polarssl/oid.h"
static int pkcs5_parse_pbkdf2_params( unsigned char **p,
const unsigned char *end,
......@@ -117,6 +118,7 @@ int pkcs5_pbes2( asn1_buf *pbe_params, int mode,
const md_info_t *md_info;
const cipher_info_t *cipher_info;
md_context_t md_ctx;
cipher_type_t cipher_alg;
cipher_context_t cipher_ctx;
p = pbe_params->p;
......@@ -178,21 +180,10 @@ int pkcs5_pbes2( asn1_buf *pbe_params, int mode,
enc_scheme_oid.p = p;
p += enc_scheme_oid.len;
#if defined(POLARSSL_DES_C)
// Only DES-CBC and DES-EDE3-CBC supported at the moment
//
if( OID_CMP( OID_DES_EDE3_CBC, &enc_scheme_oid ) )
{
cipher_info = cipher_info_from_type( POLARSSL_CIPHER_DES_EDE3_CBC );
}
else if( OID_CMP( OID_DES_CBC, &enc_scheme_oid ) )
{
cipher_info = cipher_info_from_type( POLARSSL_CIPHER_DES_CBC );
}
else
#endif /* POLARSSL_DES_C */
if ( oid_get_cipher_alg( &enc_scheme_oid, &cipher_alg ) != 0 )
return( POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE );
cipher_info = cipher_info_from_type( cipher_alg );
if( cipher_info == NULL )
return( POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE );
......
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