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openSUSE:Step:15-SP2
wpa_supplicant.32799
CVE-2022-23303_0001.patch
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File CVE-2022-23303_0001.patch of Package wpa_supplicant.32799
From 208e5687ff2e48622e28d8888ce5444a54353bbd Mon Sep 17 00:00:00 2001 From: Jouni Malinen <jouni@codeaurora.org> Date: Tue, 27 Aug 2019 16:33:15 +0300 Subject: [PATCH 1/4] crypto: Add more bignum/EC helper functions These are needed for implementing SAE hash-to-element. Signed-off-by: Jouni Malinen <jouni@codeaurora.org> --- src/crypto/crypto.h | 45 ++++++++++++++++++ src/crypto/crypto_openssl.c | 94 +++++++++++++++++++++++++++++++++++++ src/crypto/crypto_wolfssl.c | 66 ++++++++++++++++++++++++++ 3 files changed, 205 insertions(+) diff --git a/src/crypto/crypto.h b/src/crypto/crypto.h index 15f8ad04cea4..68476dbce96c 100644 --- a/src/crypto/crypto.h +++ b/src/crypto/crypto.h @@ -518,6 +518,13 @@ struct crypto_bignum * crypto_bignum_init(void); */ struct crypto_bignum * crypto_bignum_init_set(const u8 *buf, size_t len); +/** + * crypto_bignum_init_set - Allocate memory for bignum and set the value (uint) + * @val: Value to set + * Returns: Pointer to allocated bignum or %NULL on failure + */ +struct crypto_bignum * crypto_bignum_init_uint(unsigned int val); + /** * crypto_bignum_deinit - Free bignum * @n: Bignum from crypto_bignum_init() or crypto_bignum_init_set() @@ -612,6 +619,19 @@ int crypto_bignum_div(const struct crypto_bignum *a, const struct crypto_bignum *b, struct crypto_bignum *c); +/** + * crypto_bignum_addmod - d = a + b (mod c) + * @a: Bignum + * @b: Bignum + * @c: Bignum + * @d: Bignum; used to store the result of (a + b) % c + * Returns: 0 on success, -1 on failure + */ +int crypto_bignum_addmod(const struct crypto_bignum *a, + const struct crypto_bignum *b, + const struct crypto_bignum *c, + struct crypto_bignum *d); + /** * crypto_bignum_mulmod - d = a * b (mod c) * @a: Bignum @@ -625,6 +645,28 @@ int crypto_bignum_mulmod(const struct crypto_bignum *a, const struct crypto_bignum *c, struct crypto_bignum *d); +/** + * crypto_bignum_sqrmod - c = a^2 (mod b) + * @a: Bignum + * @b: Bignum + * @c: Bignum; used to store the result of a^2 % b + * Returns: 0 on success, -1 on failure + */ +int crypto_bignum_sqrmod(const struct crypto_bignum *a, + const struct crypto_bignum *b, + struct crypto_bignum *c); + +/** + * crypto_bignum_sqrtmod - returns sqrt(a) (mod b) + * @a: Bignum + * @b: Bignum + * @c: Bignum; used to store the result + * Returns: 0 on success, -1 on failure + */ +int crypto_bignum_sqrtmod(const struct crypto_bignum *a, + const struct crypto_bignum *b, + struct crypto_bignum *c); + /** * crypto_bignum_rshift - r = a >> n * @a: Bignum @@ -731,6 +773,9 @@ const struct crypto_bignum * crypto_ec_get_prime(struct crypto_ec *e); */ const struct crypto_bignum * crypto_ec_get_order(struct crypto_ec *e); +const struct crypto_bignum * crypto_ec_get_a(struct crypto_ec *e); +const struct crypto_bignum * crypto_ec_get_b(struct crypto_ec *e); + /** * struct crypto_ec_point - Elliptic curve point * diff --git a/src/crypto/crypto_openssl.c b/src/crypto/crypto_openssl.c index bab33a537293..ed463105e8f1 100644 --- a/src/crypto/crypto_openssl.c +++ b/src/crypto/crypto_openssl.c @@ -1283,6 +1283,24 @@ struct crypto_bignum * crypto_bignum_init_set(const u8 *buf, size_t len) } +struct crypto_bignum * crypto_bignum_init_uint(unsigned int val) +{ + BIGNUM *bn; + + if (TEST_FAIL()) + return NULL; + + bn = BN_new(); + if (!bn) + return NULL; + if (BN_set_word(bn, val) != 1) { + BN_free(bn); + return NULL; + } + return (struct crypto_bignum *) bn; +} + + void crypto_bignum_deinit(struct crypto_bignum *n, int clear) { if (clear) @@ -1449,6 +1467,28 @@ int crypto_bignum_div(const struct crypto_bignum *a, } +int crypto_bignum_addmod(const struct crypto_bignum *a, + const struct crypto_bignum *b, + const struct crypto_bignum *c, + struct crypto_bignum *d) +{ + int res; + BN_CTX *bnctx; + + if (TEST_FAIL()) + return -1; + + bnctx = BN_CTX_new(); + if (!bnctx) + return -1; + res = BN_mod_add((BIGNUM *) d, (const BIGNUM *) a, (const BIGNUM *) b, + (const BIGNUM *) c, bnctx); + BN_CTX_free(bnctx); + + return res ? 0 : -1; +} + + int crypto_bignum_mulmod(const struct crypto_bignum *a, const struct crypto_bignum *b, const struct crypto_bignum *c, @@ -1472,6 +1512,48 @@ int crypto_bignum_mulmod(const struct crypto_bignum *a, } +int crypto_bignum_sqrmod(const struct crypto_bignum *a, + const struct crypto_bignum *b, + struct crypto_bignum *c) +{ + int res; + BN_CTX *bnctx; + + if (TEST_FAIL()) + return -1; + + bnctx = BN_CTX_new(); + if (!bnctx) + return -1; + res = BN_mod_sqr((BIGNUM *) c, (const BIGNUM *) a, (const BIGNUM *) b, + bnctx); + BN_CTX_free(bnctx); + + return res ? 0 : -1; +} + + +int crypto_bignum_sqrtmod(const struct crypto_bignum *a, + const struct crypto_bignum *b, + struct crypto_bignum *c) +{ + BN_CTX *bnctx; + BIGNUM *res; + + if (TEST_FAIL()) + return -1; + + bnctx = BN_CTX_new(); + if (!bnctx) + return -1; + res = BN_mod_sqrt((BIGNUM *) c, (const BIGNUM *) a, (const BIGNUM *) b, + bnctx); + BN_CTX_free(bnctx); + + return res ? 0 : -1; +} + + int crypto_bignum_rshift(const struct crypto_bignum *a, int n, struct crypto_bignum *r) { @@ -1682,6 +1764,18 @@ const struct crypto_bignum * crypto_ec_get_order(struct crypto_ec *e) } +const struct crypto_bignum * crypto_ec_get_a(struct crypto_ec *e) +{ + return (const struct crypto_bignum *) e->a; +} + + +const struct crypto_bignum * crypto_ec_get_b(struct crypto_ec *e) +{ + return (const struct crypto_bignum *) e->b; +} + + void crypto_ec_point_deinit(struct crypto_ec_point *p, int clear) { if (clear) diff --git a/src/crypto/crypto_wolfssl.c b/src/crypto/crypto_wolfssl.c index 4cedab4367cd..e9894b335e53 100644 --- a/src/crypto/crypto_wolfssl.c +++ b/src/crypto/crypto_wolfssl.c @@ -1042,6 +1042,26 @@ struct crypto_bignum * crypto_bignum_init_set(const u8 *buf, size_t len) } +struct crypto_bignum * crypto_bignum_init_uint(unsigned int val) +{ + mp_int *a; + + if (TEST_FAIL()) + return NULL; + + a = (mp_int *) crypto_bignum_init(); + if (!a) + return NULL; + + if (mp_set_int(a, val) != MP_OKAY) { + os_free(a); + a = NULL; + } + + return (struct crypto_bignum *) a; +} + + void crypto_bignum_deinit(struct crypto_bignum *n, int clear) { if (!n) @@ -1168,6 +1188,19 @@ int crypto_bignum_div(const struct crypto_bignum *a, } +int crypto_bignum_addmod(const struct crypto_bignum *a, + const struct crypto_bignum *b, + const struct crypto_bignum *c, + struct crypto_bignum *d) +{ + if (TEST_FAIL()) + return -1; + + return mp_addmod((mp_int *) a, (mp_int *) b, (mp_int *) c, + (mp_int *) d) == MP_OKAY ? 0 : -1; +} + + int crypto_bignum_mulmod(const struct crypto_bignum *a, const struct crypto_bignum *b, const struct crypto_bignum *m, @@ -1181,6 +1214,27 @@ int crypto_bignum_mulmod(const struct crypto_bignum *a, } +int crypto_bignum_sqrmod(const struct crypto_bignum *a, + const struct crypto_bignum *b, + struct crypto_bignum *c) +{ + if (TEST_FAIL()) + return -1; + + return mp_sqrmod((mp_int *) a, (mp_int *) b, + (mp_int *) c) == MP_OKAY ? 0 : -1; +} + + +int crypto_bignum_sqrtmod(const struct crypto_bignum *a, + const struct crypto_bignum *b, + struct crypto_bignum *c) +{ + /* TODO */ + return -1; +} + + int crypto_bignum_rshift(const struct crypto_bignum *a, int n, struct crypto_bignum *r) { @@ -1386,6 +1440,18 @@ const struct crypto_bignum * crypto_ec_get_order(struct crypto_ec *e) } +const struct crypto_bignum * crypto_ec_get_a(struct crypto_ec *e) +{ + return (const struct crypto_bignum *) &e->a; +} + + +const struct crypto_bignum * crypto_ec_get_b(struct crypto_ec *e) +{ + return (const struct crypto_bignum *) &e->b; +} + + void crypto_ec_point_deinit(struct crypto_ec_point *p, int clear) { ecc_point *point = (ecc_point *) p; -- 2.25.1
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