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Explicit cast

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This commit is contained in:
Frank Denis 2019-02-20 01:02:54 +01:00
parent d287ef763b
commit eeb1f26924
1 changed files with 1 additions and 1 deletions
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src/libsodium/crypto_core/ed25519/ref10/ed25519_ref10.c
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@ -529,7 +529,7 @@ equal(signed char b, signed char c)
unsigned char ub = b; unsigned char ub = b;
unsigned char uc = c; unsigned char uc = c;
unsigned char x = ub ^ uc; /* 0: yes; 1..255: no */ unsigned char x = ub ^ uc; /* 0: yes; 1..255: no */
uint32_t y = x; /* 0: yes; 1..255: no */ uint32_t y = (uint32_t) x; /* 0: yes; 1..255: no */
y -= 1; /* 4294967295: yes; 0..254: no */ y -= 1; /* 4294967295: yes; 0..254: no */
y >>= 31; /* 1: yes; 0: no */ y >>= 31; /* 1: yes; 0: no */