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3d2be75b0c
So they're tidy and apply cleanly.
Signed-off-by: Petr Štetiar <ynezz@true.cz>
(cherry picked from commit 8ad9a72cbe)
51 lines
1.2 KiB
Diff
51 lines
1.2 KiB
Diff
Since commit 6467de5a8840 ("Randomize z ordinates in scalar
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mult when timing resistant") wolfssl requires a RNG for an EC
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key when the hardened built option is selected.
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wc_ecc_set_rng is only available when built hardened, so there
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is no safe way to install the RNG to the key regardless whether
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or not wolfssl is compiled hardened.
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Always export wc_ecc_set_rng so tools such as hostapd can install
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RNG regardless of the built settings for wolfssl.
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--- a/wolfcrypt/src/ecc.c
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+++ b/wolfcrypt/src/ecc.c
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@@ -12505,21 +12505,21 @@ void wc_ecc_fp_free(void)
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#endif /* FP_ECC */
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-#ifdef ECC_TIMING_RESISTANT
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int wc_ecc_set_rng(ecc_key* key, WC_RNG* rng)
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{
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int err = 0;
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+#ifdef ECC_TIMING_RESISTANT
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if (key == NULL) {
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err = BAD_FUNC_ARG;
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}
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else {
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key->rng = rng;
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}
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+#endif
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return err;
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}
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-#endif
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#ifdef HAVE_ECC_ENCRYPT
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--- a/wolfssl/wolfcrypt/ecc.h
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+++ b/wolfssl/wolfcrypt/ecc.h
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@@ -656,10 +656,8 @@ WOLFSSL_ABI WOLFSSL_API
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void wc_ecc_fp_free(void);
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WOLFSSL_LOCAL
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void wc_ecc_fp_init(void);
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-#ifdef ECC_TIMING_RESISTANT
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WOLFSSL_API
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int wc_ecc_set_rng(ecc_key* key, WC_RNG* rng);
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-#endif
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WOLFSSL_API
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int wc_ecc_set_curve(ecc_key* key, int keysize, int curve_id);
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