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adds srp files to build process.

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This commit is contained in:
Moisés Guimarães
2015-07-06 14:10:20 -03:00
parent daf01977a1
commit 6d7b5bd2f8
5 changed files with 109 additions and 66 deletions
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18
configure.ac
View File

@@ -1648,6 +1648,22 @@ then
fi
# Secure Remote Password
AC_ARG_ENABLE([srp],
[ --enable-srp Enable Secure Remote Password (default: disabled)],
[ ENABLED_SRP=$enableval ],
[ ENABLED_SRP=no ]
)
if test "x$ENABLED_SRP" = "xyes"
then
AM_CFLAGS="$AM_CFLAGS -DWOLFCRYPT_HAVE_SRP"
fi
AM_CONDITIONAL([BUILD_SRP], [test "x$ENABLED_SRP" = "xyes"])
# Small Stack
AC_ARG_ENABLE([smallstack],
[ --enable-smallstack Enable Small Stack Usage (default: disabled)],
@@ -2351,10 +2367,10 @@ echo " * Session Ticket: $ENABLED_SESSION_TICKET"
echo " * All TLS Extensions: $ENABLED_TLSX"
echo " * PKCS#7 $ENABLED_PKCS7"
echo " * wolfSCEP $ENABLED_WOLFSCEP"
echo " * Secure Remote Password $ENABLED_SRP"
echo " * Small Stack: $ENABLED_SMALL_STACK"
echo " * valgrind unit tests: $ENABLED_VALGRIND"
echo " * LIBZ: $ENABLED_LIBZ"
echo " * Examples: $ENABLED_EXAMPLES"
echo ""
echo "---"

5
src/include.am
View File

@@ -201,6 +201,10 @@ if BUILD_PKCS7
src_libwolfssl_la_SOURCES += wolfcrypt/src/pkcs7.c
endif
if BUILD_SRP
src_libwolfssl_la_SOURCES += wolfcrypt/src/srp.c
endif
# ssl files
src_libwolfssl_la_SOURCES += \
src/internal.c \
@@ -220,4 +224,3 @@ endif
if BUILD_SNIFFER
src_libwolfssl_la_SOURCES += src/sniffer.c
endif

4
wolfcrypt/src/srp.c
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@@ -19,4 +19,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifdef WOLFCRYPT_HAVE_SRP
#include <wolfssl/wolfcrypt/srp.h>
#endif /* WOLFCRYPT_HAVE_SRP */

2
wolfssl/wolfcrypt/include.am
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@@ -46,6 +46,7 @@ nobase_include_HEADERS+= \
wolfssl/wolfcrypt/blake2-int.h \
wolfssl/wolfcrypt/blake2-impl.h \
wolfssl/wolfcrypt/tfm.h \
wolfssl/wolfcrypt/srp.h \
wolfssl/wolfcrypt/types.h \
wolfssl/wolfcrypt/visibility.h \
wolfssl/wolfcrypt/logging.h \
@@ -57,4 +58,3 @@ noinst_HEADERS+= \
wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h \
wolfssl/wolfcrypt/port/ti/ti-hash.h \
wolfssl/wolfcrypt/port/ti/ti-ccm.h

56
wolfssl/wolfcrypt/srp.h
View File

@@ -19,12 +19,30 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef WOLF_CRYPT_SRP_H
#define WOLF_CRYPT_SRP_H
#ifndef WOLFCRYPT_SRP_H
#define WOLFCRYPT_SRP_H
#include <wolfssl/wolfcrypt/types.h>
#include <wolfssl/wolfcrypt/sha.h>
#include <wolfssl/wolfcrypt/sha256.h>
#include <wolfssl/wolfcrypt/sha512.h>
#include <wolfssl/wolfcrypt/integer.h>
#ifdef HAVE_SRP
#ifdef WOLFCRYPT_HAVE_SRP
enum {
#ifdef NO_SHA
SRP_SHA = 1,
#endif
#ifdef NO_SHA256
SRP_SHA256 = 2,
#endif
#ifndef WOLFSSL_SHA384
SRP_SHA384 = 3,
#endif
#ifndef WOLFSSL_SHA512
SRP_SHA512 = 4,
#endif
/* Select the largest available hash for the buffer size. */
#if defined(WOLFSSL_SHA512)
@@ -38,41 +56,43 @@
#else
#error "You have to have some kind of SHA hash if you want to use SRP."
#endif
};
typedef struct {
mp_int N; /**< Modulus. N = 2q+1, [q, N] are primes. */
mp_int g; /**< Generator. A generator modulo N. */
mp_int a; /**< Private ephemeral value. Random. */
mp_int A; /**< Public ephemeral value. pow(g, a, N) */
mp_int B; /**< Server's public ephemeral value. */
mp_int s; /**< Session key. */
byte k[SRP_MAX_DIGEST_SIZE]; /**< Multiplier parameeter. H(N, g) */
byte x[SRP_MAX_DIGEST_SIZE]; /**< Priv key. H(salt, H(user, ":", pswd)) */
byte u[SRP_MAX_DIGEST_SIZE]; /**< Random scrambling parameeter. */
byte type; /**< Hash type, SHA[1:256:384:512] */
byte* user; /**< Username, login. */
word32 userSz; /**< Username length. */
byte* salt; /**< Small salt. */
word32 saltSz; /**< Salt length. */
byte* pswd; /**< Password. */
word32 pswdSz; /**< Password length. */
} SrpClient;
typedef struct {
mp_int N; /**< Modulus. N = 2q+1, [q, N] are primes. */
mp_int g; /**< Generator. A generator modulo N. */
mp_int b; /**< Private ephemeral value. */
mp_int B; /**< Public ephemeral value. */
mp_int A; /**< Client's public ephemeral value. */
mp_int v; /**< Verifier. v = pow(g, x, N) */
} SrpServer;
typedef struct {
mp_int N; /**< Modulus. N = 2q+1, [q, N] are primes. */
mp_int g; /**< Generator. A generator modulo N. */
mp_int s; /**< Session key. */
byte k[SRP_MAX_DIGEST_SIZE]; /**< Multiplier parameeter. H(N, g) */
mp_int v; /**< Verifier. v = pow(g, x, N) */
byte u[SRP_MAX_DIGEST_SIZE]; /**< Random scrambling parameeter. */
byte type; /**< Hash type, SHA[1:256:384:512] */
byte side; /**< Client or Server side. */
byte* user; /**< Username, login. */
word32 userSz; /**< Username length. */
byte* salt; /**< Small salt. */
word32 saltSz; /**< Salt length. */
} SrpServer;
union {
SrpClient client;
SrpServer server;
} specific;
} Srp;
#endif /* HAVE_SRP */
int SrpInit(Srp* srp, byte* N, word32 nSz, byte* g, word32 gSz);
#endif /* WOLFCRYPT_HAVE_SRP */
#endif /* WOLF_CRYPT_SRP_H */