diff options
Diffstat (limited to 'crypto/ecc.c')
| -rw-r--r-- | crypto/ecc.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/crypto/ecc.c b/crypto/ecc.c index ed1237115066..5f36792d143d 100644 --- a/crypto/ecc.c +++ b/crypto/ecc.c @@ -24,6 +24,7 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +#include <linux/module.h> #include <linux/random.h> #include <linux/slab.h> #include <linux/swab.h> @@ -112,7 +113,7 @@ static void vli_clear(u64 *vli, unsigned int ndigits) } /* Returns true if vli == 0, false otherwise. */ -static bool vli_is_zero(const u64 *vli, unsigned int ndigits) +bool vli_is_zero(const u64 *vli, unsigned int ndigits) { int i; @@ -123,6 +124,7 @@ static bool vli_is_zero(const u64 *vli, unsigned int ndigits) return true; } +EXPORT_SYMBOL(vli_is_zero); /* Returns nonzero if bit bit of vli is set. */ static u64 vli_test_bit(const u64 *vli, unsigned int bit) @@ -171,7 +173,7 @@ static void vli_set(u64 *dest, const u64 *src, unsigned int ndigits) } /* Returns sign of left - right. */ -static int vli_cmp(const u64 *left, const u64 *right, unsigned int ndigits) +int vli_cmp(const u64 *left, const u64 *right, unsigned int ndigits) { int i; @@ -184,6 +186,7 @@ static int vli_cmp(const u64 *left, const u64 *right, unsigned int ndigits) return 0; } +EXPORT_SYMBOL(vli_cmp); /* Computes result = in << c, returning carry. Can modify in place * (if result == in). 0 < shift < 64. @@ -240,7 +243,7 @@ static u64 vli_add(u64 *result, const u64 *left, const u64 *right, } /* Computes result = left - right, returning borrow. Can modify in place. */ -static u64 vli_sub(u64 *result, const u64 *left, const u64 *right, +u64 vli_sub(u64 *result, const u64 *left, const u64 *right, unsigned int ndigits) { u64 borrow = 0; @@ -258,6 +261,7 @@ static u64 vli_sub(u64 *result, const u64 *left, const u64 *right, return borrow; } +EXPORT_SYMBOL(vli_sub); static uint128_t mul_64_64(u64 left, u64 right) { @@ -557,7 +561,7 @@ static void vli_mod_square_fast(u64 *result, const u64 *left, * See "From Euclid's GCD to Montgomery Multiplication to the Great Divide" * https://labs.oracle.com/techrep/2001/smli_tr-2001-95.pdf */ -static void vli_mod_inv(u64 *result, const u64 *input, const u64 *mod, +void vli_mod_inv(u64 *result, const u64 *input, const u64 *mod, unsigned int ndigits) { u64 a[ECC_MAX_DIGITS], b[ECC_MAX_DIGITS]; @@ -630,6 +634,7 @@ static void vli_mod_inv(u64 *result, const u64 *input, const u64 *mod, vli_set(result, u, ndigits); } +EXPORT_SYMBOL(vli_mod_inv); /* ------ Point operations ------ */ @@ -948,6 +953,7 @@ int ecc_is_key_valid(unsigned int curve_id, unsigned int ndigits, return __ecc_is_key_valid(curve, private_key, ndigits); } +EXPORT_SYMBOL(ecc_is_key_valid); /* * ECC private keys are generated using the method of extra random bits, @@ -1000,6 +1006,7 @@ int ecc_gen_privkey(unsigned int curve_id, unsigned int ndigits, u64 *privkey) return 0; } +EXPORT_SYMBOL(ecc_gen_privkey); int ecc_make_pub_key(unsigned int curve_id, unsigned int ndigits, const u64 *private_key, u64 *public_key) @@ -1036,10 +1043,11 @@ err_free_point: out: return ret; } +EXPORT_SYMBOL(ecc_make_pub_key); /* SP800-56A section 5.6.2.3.4 partial verification: ephemeral keys only */ -static int ecc_is_pubkey_valid_partial(const struct ecc_curve *curve, - struct ecc_point *pk) +int ecc_is_pubkey_valid_partial(const struct ecc_curve *curve, + struct ecc_point *pk) { u64 yy[ECC_MAX_DIGITS], xxx[ECC_MAX_DIGITS], w[ECC_MAX_DIGITS]; @@ -1064,8 +1072,8 @@ static int ecc_is_pubkey_valid_partial(const struct ecc_curve *curve, return -EINVAL; return 0; - } +EXPORT_SYMBOL(ecc_is_pubkey_valid_partial); int crypto_ecdh_shared_secret(unsigned int curve_id, unsigned int ndigits, const u64 *private_key, const u64 *public_key, @@ -1121,3 +1129,6 @@ err_alloc_product: out: return ret; } +EXPORT_SYMBOL(crypto_ecdh_shared_secret); + +MODULE_LICENSE("Dual BSD/GPL"); |