/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifdef FREEBL_NO_DEPEND
#include "stubs.h"
#endif
#include "prtypes.h"
#include "secerr.h"
#include "pkcs11t.h"
#include "blapi.h"
#include "hasht.h"
#include "plhash.h"
#include "nsslowhash.h"
/* FIPS preprocessor directives for message digests */
#define FIPS_KNOWN_HASH_MESSAGE_LENGTH 64 /* 512-bits */
/* Known Hash Message (512-bits). Used for all hashes (incl. SHA-N [N>1]). */
static const PRUint8 known_hash_message[] = {
"The test message for the MD2, MD5, and SHA-1 hashing algorithms." };
static CK_RV
freebl_fips_MD2_PowerUpSelfTest( void )
{
/* MD2 Known Digest Message (128-bits). */
static const PRUint8 md2_known_digest[] = {
0x41,0x5a,0x12,0xb2,0x3f,0x28,0x97,0x17,
0x0c,0x71,0x4e,0xcc,0x40,0xc8,0x1d,0x1b};
/* MD2 variables. */
MD2Context * md2_context;
unsigned int md2_bytes_hashed;
PRUint8 md2_computed_digest[MD2_LENGTH];
/***********************************************/
/* MD2 Single-Round Known Answer Hashing Test. */
/***********************************************/
md2_context = MD2_NewContext();
if( md2_context == NULL )
return( CKR_HOST_MEMORY );
MD2_Begin( md2_context );
MD2_Update( md2_context, known_hash_message,
FIPS_KNOWN_HASH_MESSAGE_LENGTH );
MD2_End( md2_context, md2_computed_digest, &md2_bytes_hashed, MD2_LENGTH );
MD2_DestroyContext( md2_context , PR_TRUE );
if( ( md2_bytes_hashed != MD2_LENGTH ) ||
( PORT_Memcmp( md2_computed_digest, md2_known_digest,
MD2_LENGTH ) != 0 ) )
return( CKR_DEVICE_ERROR );
return( CKR_OK );
}
static CK_RV
freebl_fips_MD5_PowerUpSelfTest( void )
{
/* MD5 Known Digest Message (128-bits). */
static const PRUint8 md5_known_digest[] = {
0x25,0xc8,0xc0,0x10,0xc5,0x6e,0x68,0x28,
0x28,0xa4,0xa5,0xd2,0x98,0x9a,0xea,0x2d};
/* MD5 variables. */
PRUint8 md5_computed_digest[MD5_LENGTH];
SECStatus md5_status;
/***********************************************/
/* MD5 Single-Round Known Answer Hashing Test. */
/***********************************************/
md5_status = MD5_HashBuf( md5_computed_digest, known_hash_message,
FIPS_KNOWN_HASH_MESSAGE_LENGTH );
if( ( md5_status != SECSuccess ) ||
( PORT_Memcmp( md5_computed_digest, md5_known_digest,
MD5_LENGTH ) != 0 ) )
return( CKR_DEVICE_ERROR );
return( CKR_OK );
}
static CK_RV
freebl_fips_SHA_PowerUpSelfTest( void )
{
/* SHA-1 Known Digest Message (160-bits). */
static const PRUint8 sha1_known_digest[] = {
0x0a,0x6d,0x07,0xba,0x1e,0xbd,0x8a,0x1b,
0x72,0xf6,0xc7,0x22,0xf1,0x27,0x9f,0xf0,
0xe0,0x68,0x47,0x7a};
/* SHA-224 Known Digest Message (224-bits). */
static const PRUint8 sha224_known_digest[] = {
0x89,0x5e,0x7f,0xfd,0x0e,0xd8,0x35,0x6f,
0x64,0x6d,0xf2,0xde,0x5e,0xed,0xa6,0x7f,
0x29,0xd1,0x12,0x73,0x42,0x84,0x95,0x4f,
0x8e,0x08,0xe5,0xcb};
/* SHA-256 Known Digest Message (256-bits). */
static const PRUint8 sha256_known_digest[] = {
0x38,0xa9,0xc1,0xf0,0x35,0xf6,0x5d,0x61,
0x11,0xd4,0x0b,0xdc,0xce,0x35,0x14,0x8d,
0xf2,0xdd,0xaf,0xaf,0xcf,0xb7,0x87,0xe9,
0x96,0xa5,0xd2,0x83,0x62,0x46,0x56,0x79};
/* SHA-384 Known Digest Message (384-bits). */
static const PRUint8 sha384_known_digest[] = {
0x11,0xfe,0x1c,0x00,0x89,0x48,0xde,0xb3,
0x99,0xee,0x1c,0x18,0xb4,0x10,0xfb,0xfe,
0xe3,0xa8,0x2c,0xf3,0x04,0xb0,0x2f,0xc8,
0xa3,0xc4,0x5e,0xea,0x7e,0x60,0x48,0x7b,
0xce,0x2c,0x62,0xf7,0xbc,0xa7,0xe8,0xa3,
0xcf,0x24,0xce,0x9c,0xe2,0x8b,0x09,0x72};
/* SHA-512 Known Digest Message (512-bits). */
static const PRUint8 sha512_known_digest[] = {
0xc8,0xb3,0x27,0xf9,0x0b,0x24,0xc8,0xbf,
0x4c,0xba,0x33,0x54,0xf2,0x31,0xbf,0xdb,
0xab,0xfd,0xb3,0x15,0xd7,0xfa,0x48,0x99,
0x07,0x60,0x0f,0x57,0x41,0x1a,0xdd,0x28,
0x12,0x55,0x25,0xac,0xba,0x3a,0x99,0x12,
0x2c,0x7a,0x8f,0x75,0x3a,0xe1,0x06,0x6f,
0x30,0x31,0xc9,0x33,0xc6,0x1b,0x90,0x1a,
0x6c,0x98,0x9a,0x87,0xd0,0xb2,0xf8,0x07};
/* SHA-X variables. */
PRUint8 sha_computed_digest[HASH_LENGTH_MAX];
SECStatus sha_status;
/*************************************************/
/* SHA-1 Single-Round Known Answer Hashing Test. */
/*************************************************/
sha_status = SHA1_HashBuf( sha_computed_digest, known_hash_message,
FIPS_KNOWN_HASH_MESSAGE_LENGTH );
if( ( sha_status != SECSuccess ) ||
( PORT_Memcmp( sha_computed_digest, sha1_known_digest,
SHA1_LENGTH ) != 0 ) )
return( CKR_DEVICE_ERROR );
/***************************************************/
/* SHA-224 Single-Round Known Answer Hashing Test. */
/***************************************************/
sha_status = SHA224_HashBuf( sha_computed_digest, known_hash_message,
FIPS_KNOWN_HASH_MESSAGE_LENGTH );
if( ( sha_status != SECSuccess ) ||
( PORT_Memcmp( sha_computed_digest, sha224_known_digest,
SHA224_LENGTH ) != 0 ) )
return( CKR_DEVICE_ERROR );
/***************************************************/
/* SHA-256 Single-Round Known Answer Hashing Test. */
/***************************************************/
sha_status = SHA256_HashBuf( sha_computed_digest, known_hash_message,
FIPS_KNOWN_HASH_MESSAGE_LENGTH );
if( ( sha_status != SECSuccess ) ||
( PORT_Memcmp( sha_computed_digest, sha256_known_digest,
SHA256_LENGTH ) != 0 ) )
return( CKR_DEVICE_ERROR );
/***************************************************/
/* SHA-384 Single-Round Known Answer Hashing Test. */
/***************************************************/
sha_status = SHA384_HashBuf( sha_computed_digest, known_hash_message,
FIPS_KNOWN_HASH_MESSAGE_LENGTH );
if( ( sha_status != SECSuccess ) ||
( PORT_Memcmp( sha_computed_digest, sha384_known_digest,
SHA384_LENGTH ) != 0 ) )
return( CKR_DEVICE_ERROR );
/***************************************************/
/* SHA-512 Single-Round Known Answer Hashing Test. */
/***************************************************/
sha_status = SHA512_HashBuf( sha_computed_digest, known_hash_message,
FIPS_KNOWN_HASH_MESSAGE_LENGTH );
if( ( sha_status != SECSuccess ) ||
( PORT_Memcmp( sha_computed_digest, sha512_known_digest,
SHA512_LENGTH ) != 0 ) )
return( CKR_DEVICE_ERROR );
return( CKR_OK );
}
static CK_RV
freebl_fipsSoftwareIntegrityTest(void)
{
CK_RV crv = CKR_OK;
/* make sure that our check file signatures are OK */
if (!BLAPI_VerifySelf(SHLIB_PREFIX"freebl"SHLIB_VERSION"."SHLIB_SUFFIX)) {
crv = CKR_DEVICE_ERROR; /* better error code? checksum error? */
}
return crv;
}
CK_RV
freebl_fipsPowerUpSelfTest( void )
{
CK_RV rv;
/* MD2 Power-Up SelfTest(s). */
rv = freebl_fips_MD2_PowerUpSelfTest();
if( rv != CKR_OK )
return rv;
/* MD5 Power-Up SelfTest(s). */
rv = freebl_fips_MD5_PowerUpSelfTest();
if( rv != CKR_OK )
return rv;
/* SHA-X Power-Up SelfTest(s). */
rv = freebl_fips_SHA_PowerUpSelfTest();
if( rv != CKR_OK )
return rv;
/* Software/Firmware Integrity Test. */
rv = freebl_fipsSoftwareIntegrityTest();
if( rv != CKR_OK )
return rv;
/* Passed Power-Up SelfTest(s). */
return( CKR_OK );
}
struct NSSLOWInitContextStr {
int count;
};
struct NSSLOWHASHContextStr {
const SECHashObject *hashObj;
void *hashCtxt;
};
static int nsslow_GetFIPSEnabled(void) {
#ifdef LINUX
FILE *f;
char d;
size_t size;
f = fopen("/proc/sys/crypto/fips_enabled", "r");
if (!f)
return 0;
size = fread(&d, 1, 1, f);
fclose(f);
if (size != 1)
return 0;
if (d != '1')
return 0;
#endif
return 1;
}
static int post = 0;
static int post_failed = 0;
static NSSLOWInitContext dummyContext = { 0 };
NSSLOWInitContext *
NSSLOW_Init(void)
{
SECStatus rv;
CK_RV crv;
#ifdef FREEBL_NO_DEPEND
PRBool nsprAvailable = PR_FALSE;
rv = FREEBL_InitStubs();
nsprAvailable = (rv == SECSuccess ) ? PR_TRUE : PR_FALSE;
#endif
if (post_failed) {
return NULL;
}
if (!post && nsslow_GetFIPSEnabled()) {
crv = freebl_fipsPowerUpSelfTest();
if (crv != CKR_OK) {
post_failed = 1;
return NULL;
}
}
post = 1;
return &dummyContext;
}
void
NSSLOW_Shutdown(NSSLOWInitContext *context)
{
PORT_Assert(context == &dummyContext);
return;
}
void
NSSLOW_Reset(NSSLOWInitContext *context)
{
PORT_Assert(context == &dummyContext);
post_failed = 0;
post = 0;
return;
}
NSSLOWHASHContext *
NSSLOWHASH_NewContext(NSSLOWInitContext *initContext,
HASH_HashType hashType)
{
NSSLOWHASHContext *context;
if (post_failed) {
PORT_SetError(SEC_ERROR_PKCS11_DEVICE_ERROR);
return NULL;
}
if (initContext != &dummyContext) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return (NULL);
}
context = PORT_ZNew(NSSLOWHASHContext);
if (!context) {
return NULL;
}
context->hashObj = HASH_GetRawHashObject(hashType);
if (!context->hashObj) {
PORT_Free(context);
return NULL;
}
context->hashCtxt = context->hashObj->create();
if (!context->hashCtxt) {
PORT_Free(context);
return NULL;
}
return context;
}
void
NSSLOWHASH_Begin(NSSLOWHASHContext *context)
{
return context->hashObj->begin(context->hashCtxt);
}
void
NSSLOWHASH_Update(NSSLOWHASHContext *context, const unsigned char *buf,
unsigned int len)
{
return context->hashObj->update(context->hashCtxt, buf, len);
}
void
NSSLOWHASH_End(NSSLOWHASHContext *context, unsigned char *buf,
unsigned int *ret, unsigned int len)
{
return context->hashObj->end(context->hashCtxt, buf, ret, len);
}
void
NSSLOWHASH_Destroy(NSSLOWHASHContext *context)
{
context->hashObj->destroy(context->hashCtxt, PR_TRUE);
PORT_Free(context);
}
unsigned int
NSSLOWHASH_Length(NSSLOWHASHContext *context)
{
return context->hashObj->length;
}