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fixes for various wolfcrypt -Wconversions visible only on compilers that promote byte and word16 to signed int, then warn of a sign conflict when an intrinsically safe result is assigned back to the original type.

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Daniel Pouzzner
2023-05-09 23:55:08 -05:00
parent ec9beaab41
commit f2c97d5d35
6 changed files with 31 additions and 32 deletions
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6
wolfcrypt/src/ecc.c
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@@ -1633,7 +1633,7 @@ static int wc_ecc_curve_load(const ecc_set_type* dp, ecc_curve_spec** pCurve,
curve->dp = dp; /* set dp info */
/* determine items to load */
load_items = (((byte)~(word32)curve->load_mask) & load_mask);
load_items = (byte)(((byte)~(word32)curve->load_mask) & load_mask);
curve->load_mask |= load_items;
/* load items */
@@ -6928,7 +6928,7 @@ int wc_ecc_sign_hash_ex(const byte* in, word32 inlen, WC_RNG* rng,
/* may still need bit truncation too */
if (err == MP_OKAY && (WOLFSSL_BIT_SIZE * inlen) > orderBits)
mp_rshb(e, WOLFSSL_BIT_SIZE - (orderBits & 0x7));
mp_rshb(e, (int)(WOLFSSL_BIT_SIZE - (orderBits & 0x7)));
}
/* make up a key and export the public copy */
@@ -8389,7 +8389,7 @@ static int ecc_verify_hash(mp_int *r, mp_int *s, const byte* hash,
/* may still need bit truncation too */
if (err == MP_OKAY && (WOLFSSL_BIT_SIZE * hashlen) > orderBits)
mp_rshb(e, WOLFSSL_BIT_SIZE - (orderBits & 0x7));
mp_rshb(e, (int)(WOLFSSL_BIT_SIZE - (orderBits & 0x7)));
}
/* check for async hardware acceleration */