diff options
Diffstat (limited to 'lib/libc/crypt/blowfish.c')
| -rw-r--r-- | lib/libc/crypt/blowfish.c | 87 |
1 files changed, 43 insertions, 44 deletions
diff --git a/lib/libc/crypt/blowfish.c b/lib/libc/crypt/blowfish.c index 46568d23188..b9cd41f960f 100644 --- a/lib/libc/crypt/blowfish.c +++ b/lib/libc/crypt/blowfish.c @@ -1,4 +1,4 @@ -/* $OpenBSD: blowfish.c,v 1.4 1997/04/30 05:57:05 tholo Exp $ */ +/* $OpenBSD: blowfish.c,v 1.5 1997/07/23 20:58:27 kstailey Exp $ */ /* * Blowfish block cipher for OpenBSD * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de> @@ -429,13 +429,13 @@ Blowfish_initstate(c) 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f, 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6} }, - { - 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, - 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89, - 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, - 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, - 0x9216d5d9, 0x8979fb1b - } }; + { + 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, + 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89, + 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, + 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, + 0x9216d5d9, 0x8979fb1b + } }; *c = initstate; @@ -475,44 +475,43 @@ Blowfish_expand0state(blf_ctx *c, const u_int8_t *key, u_int16_t keybytes) #else void Blowfish_expand0state(c, key, keybytes) - blf_ctx *c; - const u_int8_t *key; - u_int16_t keybytes; + blf_ctx *c; + const u_int8_t *key; + u_int16_t keybytes; #endif { - u_int16_t i; - u_int16_t j; - u_int16_t k; - u_int32_t temp; - u_int32_t datal; - u_int32_t datar; - - j = 0; - for (i = 0; i < BLF_N + 2; i++) { - /* Extract 4 int8 to 1 int32 from keystream */ - temp = Blowfish_stream2word(key, keybytes, &j); - c->P[i] = c->P[i] ^ temp; - } - - j = 0; - datal = 0x00000000; - datar = 0x00000000; - for (i = 0; i < BLF_N + 2; i += 2) { - Blowfish_encipher(c, &datal, &datar); - - c->P[i] = datal; - c->P[i + 1] = datar; - } - - for (i = 0; i < 4; i++) { - for (k = 0; k < 256; k += 2) { - Blowfish_encipher(c, &datal, &datar); - - c->S[i][k] = datal; - c->S[i][k + 1] = datar; - } - } - + u_int16_t i; + u_int16_t j; + u_int16_t k; + u_int32_t temp; + u_int32_t datal; + u_int32_t datar; + + j = 0; + for (i = 0; i < BLF_N + 2; i++) { + /* Extract 4 int8 to 1 int32 from keystream */ + temp = Blowfish_stream2word(key, keybytes, &j); + c->P[i] = c->P[i] ^ temp; + } + + j = 0; + datal = 0x00000000; + datar = 0x00000000; + for (i = 0; i < BLF_N + 2; i += 2) { + Blowfish_encipher(c, &datal, &datar); + + c->P[i] = datal; + c->P[i + 1] = datar; + } + + for (i = 0; i < 4; i++) { + for (k = 0; k < 256; k += 2) { + Blowfish_encipher(c, &datal, &datar); + + c->S[i][k] = datal; + c->S[i][k + 1] = datar; + } + } } |