diff options
| author | Tom Lane | 2002-09-05 21:08:26 +0000 |
|---|---|---|
| committer | Tom Lane | 2002-09-05 21:08:26 +0000 |
| commit | fb473bc6fa6a77fd873531ff1776273272e0b829 (patch) | |
| tree | a75050ad4685e3f393a9c34b6702af180ebdf6e2 | |
| parent | da2e0ddeb4b68e46605ed190fb253047d9720ce7 (diff) | |
Fix unsafe macro definitions (which were producing incorrect code,
leading to compile warnings).
| -rw-r--r-- | contrib/pgcrypto/rijndael.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/contrib/pgcrypto/rijndael.c b/contrib/pgcrypto/rijndael.c index fd4572a8e9..8b2b99f13b 100644 --- a/contrib/pgcrypto/rijndael.c +++ b/contrib/pgcrypto/rijndael.c @@ -259,6 +259,7 @@ gen_tabs(void) #define star_x(x) (((x) & 0x7f7f7f7f) << 1) ^ ((((x) & 0x80808080) >> 7) * 0x1b) #define imix_col(y,x) \ +do { \ u = star_x(x); \ v = star_x(u); \ w = star_x(v); \ @@ -266,7 +267,8 @@ gen_tabs(void) (y) = u ^ v ^ w; \ (y) ^= rotr(u ^ t, 8) ^ \ rotr(v ^ t, 16) ^ \ - rotr(t,24) + rotr(t,24); \ +} while (0) /* initialise the key schedule from the user supplied key */ @@ -367,17 +369,21 @@ rijndael_set_key(rijndael_ctx * ctx, const u4byte * in_key, const u4byte key_len /* encrypt a block of text */ #define f_nround(bo, bi, k) \ +do { \ f_rn(bo, bi, 0, k); \ f_rn(bo, bi, 1, k); \ f_rn(bo, bi, 2, k); \ f_rn(bo, bi, 3, k); \ - k += 4 + k += 4; \ +} while (0) #define f_lround(bo, bi, k) \ +do { \ f_rl(bo, bi, 0, k); \ f_rl(bo, bi, 1, k); \ f_rl(bo, bi, 2, k); \ - f_rl(bo, bi, 3, k) + f_rl(bo, bi, 3, k); \ +} while (0) void rijndael_encrypt(rijndael_ctx * ctx, const u4byte * in_blk, u4byte * out_blk) @@ -427,17 +433,21 @@ rijndael_encrypt(rijndael_ctx * ctx, const u4byte * in_blk, u4byte * out_blk) /* decrypt a block of text */ #define i_nround(bo, bi, k) \ +do { \ i_rn(bo, bi, 0, k); \ i_rn(bo, bi, 1, k); \ i_rn(bo, bi, 2, k); \ i_rn(bo, bi, 3, k); \ - k -= 4 + k -= 4; \ +} while (0) #define i_lround(bo, bi, k) \ +do { \ i_rl(bo, bi, 0, k); \ i_rl(bo, bi, 1, k); \ i_rl(bo, bi, 2, k); \ - i_rl(bo, bi, 3, k) + i_rl(bo, bi, 3, k); \ +} while (0) void rijndael_decrypt(rijndael_ctx * ctx, const u4byte * in_blk, u4byte * out_blk) |