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author | Kenny Root <kroot@google.com> | 2015-09-25 02:46:08 +0000 |
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committer | Android Git Automerger <android-git-automerger@android.com> | 2015-09-25 02:46:08 +0000 |
commit | 217603a4384148cd37c60a42f945449641617d27 (patch) | |
tree | dd743d9d64af3145fe96b8d5fc2f3427544794bd /src/crypto/des/des.c | |
parent | e246de8f184e644debf965ecdca552f006b56881 (diff) | |
parent | d947d006e7a7ebcfdfe642e686250caf2028c2c1 (diff) | |
download | external_boringssl-217603a4384148cd37c60a42f945449641617d27.zip external_boringssl-217603a4384148cd37c60a42f945449641617d27.tar.gz external_boringssl-217603a4384148cd37c60a42f945449641617d27.tar.bz2 |
am d947d006: am b8494591: Revert "Revert "external/boringssl: sync with upstream.""
* commit 'd947d006e7a7ebcfdfe642e686250caf2028c2c1':
Revert "Revert "external/boringssl: sync with upstream.""
Diffstat (limited to 'src/crypto/des/des.c')
-rw-r--r-- | src/crypto/des/des.c | 157 |
1 files changed, 79 insertions, 78 deletions
diff --git a/src/crypto/des/des.c b/src/crypto/des/des.c index 9cd75f5..a5669a6 100644 --- a/src/crypto/des/des.c +++ b/src/crypto/des/des.c @@ -298,10 +298,8 @@ void DES_set_key(const DES_cblock *key, DES_key_schedule *schedule) { 0, 1, 1, 1, 1, 1, 1, 0}; uint32_t c, d, t, s, t2; const uint8_t *in; - uint32_t *k; int i; - k = &schedule->ks->deslong[0]; in = key->bytes; c2l(in, c); @@ -344,10 +342,10 @@ void DES_set_key(const DES_cblock *key, DES_key_schedule *schedule) { /* table contained 0213 4657 */ t2 = ((t << 16L) | (s & 0x0000ffffL)) & 0xffffffffL; - *(k++) = ROTATE(t2, 30) & 0xffffffffL; + schedule->subkeys[i][0] = ROTATE(t2, 30) & 0xffffffffL; t2 = ((s >> 16L) | (t & 0xffff0000L)); - *(k++) = ROTATE(t2, 26) & 0xffffffffL; + schedule->subkeys[i][1] = ROTATE(t2, 26) & 0xffffffffL; } } @@ -382,7 +380,6 @@ void DES_set_odd_parity(DES_cblock *key) { static void DES_encrypt1(uint32_t *data, const DES_key_schedule *ks, int enc) { uint32_t l, r, t, u; - const uint32_t *s; r = data[0]; l = data[1]; @@ -398,43 +395,42 @@ static void DES_encrypt1(uint32_t *data, const DES_key_schedule *ks, int enc) { r = ROTATE(r, 29) & 0xffffffffL; l = ROTATE(l, 29) & 0xffffffffL; - s = ks->ks->deslong; /* I don't know if it is worth the effort of loop unrolling the * inner loop */ if (enc) { - D_ENCRYPT(l, r, 0); /* 1 */ - D_ENCRYPT(r, l, 2); /* 2 */ - D_ENCRYPT(l, r, 4); /* 3 */ - D_ENCRYPT(r, l, 6); /* 4 */ - D_ENCRYPT(l, r, 8); /* 5 */ - D_ENCRYPT(r, l, 10); /* 6 */ - D_ENCRYPT(l, r, 12); /* 7 */ - D_ENCRYPT(r, l, 14); /* 8 */ - D_ENCRYPT(l, r, 16); /* 9 */ - D_ENCRYPT(r, l, 18); /* 10 */ - D_ENCRYPT(l, r, 20); /* 11 */ - D_ENCRYPT(r, l, 22); /* 12 */ - D_ENCRYPT(l, r, 24); /* 13 */ - D_ENCRYPT(r, l, 26); /* 14 */ - D_ENCRYPT(l, r, 28); /* 15 */ - D_ENCRYPT(r, l, 30); /* 16 */ + D_ENCRYPT(ks, l, r, 0); + D_ENCRYPT(ks, r, l, 1); + D_ENCRYPT(ks, l, r, 2); + D_ENCRYPT(ks, r, l, 3); + D_ENCRYPT(ks, l, r, 4); + D_ENCRYPT(ks, r, l, 5); + D_ENCRYPT(ks, l, r, 6); + D_ENCRYPT(ks, r, l, 7); + D_ENCRYPT(ks, l, r, 8); + D_ENCRYPT(ks, r, l, 9); + D_ENCRYPT(ks, l, r, 10); + D_ENCRYPT(ks, r, l, 11); + D_ENCRYPT(ks, l, r, 12); + D_ENCRYPT(ks, r, l, 13); + D_ENCRYPT(ks, l, r, 14); + D_ENCRYPT(ks, r, l, 15); } else { - D_ENCRYPT(l, r, 30); /* 16 */ - D_ENCRYPT(r, l, 28); /* 15 */ - D_ENCRYPT(l, r, 26); /* 14 */ - D_ENCRYPT(r, l, 24); /* 13 */ - D_ENCRYPT(l, r, 22); /* 12 */ - D_ENCRYPT(r, l, 20); /* 11 */ - D_ENCRYPT(l, r, 18); /* 10 */ - D_ENCRYPT(r, l, 16); /* 9 */ - D_ENCRYPT(l, r, 14); /* 8 */ - D_ENCRYPT(r, l, 12); /* 7 */ - D_ENCRYPT(l, r, 10); /* 6 */ - D_ENCRYPT(r, l, 8); /* 5 */ - D_ENCRYPT(l, r, 6); /* 4 */ - D_ENCRYPT(r, l, 4); /* 3 */ - D_ENCRYPT(l, r, 2); /* 2 */ - D_ENCRYPT(r, l, 0); /* 1 */ + D_ENCRYPT(ks, l, r, 15); + D_ENCRYPT(ks, r, l, 14); + D_ENCRYPT(ks, l, r, 13); + D_ENCRYPT(ks, r, l, 12); + D_ENCRYPT(ks, l, r, 11); + D_ENCRYPT(ks, r, l, 10); + D_ENCRYPT(ks, l, r, 9); + D_ENCRYPT(ks, r, l, 8); + D_ENCRYPT(ks, l, r, 7); + D_ENCRYPT(ks, r, l, 6); + D_ENCRYPT(ks, l, r, 5); + D_ENCRYPT(ks, r, l, 4); + D_ENCRYPT(ks, l, r, 3); + D_ENCRYPT(ks, r, l, 2); + D_ENCRYPT(ks, l, r, 1); + D_ENCRYPT(ks, r, l, 0); } /* rotate and clear the top bits on machines with 8byte longs */ @@ -448,7 +444,6 @@ static void DES_encrypt1(uint32_t *data, const DES_key_schedule *ks, int enc) { static void DES_encrypt2(uint32_t *data, const DES_key_schedule *ks, int enc) { uint32_t l, r, t, u; - const uint32_t *s; r = data[0]; l = data[1]; @@ -462,52 +457,51 @@ static void DES_encrypt2(uint32_t *data, const DES_key_schedule *ks, int enc) { r = ROTATE(r, 29) & 0xffffffffL; l = ROTATE(l, 29) & 0xffffffffL; - s = ks->ks->deslong; /* I don't know if it is worth the effort of loop unrolling the * inner loop */ if (enc) { - D_ENCRYPT(l, r, 0); /* 1 */ - D_ENCRYPT(r, l, 2); /* 2 */ - D_ENCRYPT(l, r, 4); /* 3 */ - D_ENCRYPT(r, l, 6); /* 4 */ - D_ENCRYPT(l, r, 8); /* 5 */ - D_ENCRYPT(r, l, 10); /* 6 */ - D_ENCRYPT(l, r, 12); /* 7 */ - D_ENCRYPT(r, l, 14); /* 8 */ - D_ENCRYPT(l, r, 16); /* 9 */ - D_ENCRYPT(r, l, 18); /* 10 */ - D_ENCRYPT(l, r, 20); /* 11 */ - D_ENCRYPT(r, l, 22); /* 12 */ - D_ENCRYPT(l, r, 24); /* 13 */ - D_ENCRYPT(r, l, 26); /* 14 */ - D_ENCRYPT(l, r, 28); /* 15 */ - D_ENCRYPT(r, l, 30); /* 16 */ + D_ENCRYPT(ks, l, r, 0); + D_ENCRYPT(ks, r, l, 1); + D_ENCRYPT(ks, l, r, 2); + D_ENCRYPT(ks, r, l, 3); + D_ENCRYPT(ks, l, r, 4); + D_ENCRYPT(ks, r, l, 5); + D_ENCRYPT(ks, l, r, 6); + D_ENCRYPT(ks, r, l, 7); + D_ENCRYPT(ks, l, r, 8); + D_ENCRYPT(ks, r, l, 9); + D_ENCRYPT(ks, l, r, 10); + D_ENCRYPT(ks, r, l, 11); + D_ENCRYPT(ks, l, r, 12); + D_ENCRYPT(ks, r, l, 13); + D_ENCRYPT(ks, l, r, 14); + D_ENCRYPT(ks, r, l, 15); } else { - D_ENCRYPT(l, r, 30); /* 16 */ - D_ENCRYPT(r, l, 28); /* 15 */ - D_ENCRYPT(l, r, 26); /* 14 */ - D_ENCRYPT(r, l, 24); /* 13 */ - D_ENCRYPT(l, r, 22); /* 12 */ - D_ENCRYPT(r, l, 20); /* 11 */ - D_ENCRYPT(l, r, 18); /* 10 */ - D_ENCRYPT(r, l, 16); /* 9 */ - D_ENCRYPT(l, r, 14); /* 8 */ - D_ENCRYPT(r, l, 12); /* 7 */ - D_ENCRYPT(l, r, 10); /* 6 */ - D_ENCRYPT(r, l, 8); /* 5 */ - D_ENCRYPT(l, r, 6); /* 4 */ - D_ENCRYPT(r, l, 4); /* 3 */ - D_ENCRYPT(l, r, 2); /* 2 */ - D_ENCRYPT(r, l, 0); /* 1 */ + D_ENCRYPT(ks, l, r, 15); + D_ENCRYPT(ks, r, l, 14); + D_ENCRYPT(ks, l, r, 13); + D_ENCRYPT(ks, r, l, 12); + D_ENCRYPT(ks, l, r, 11); + D_ENCRYPT(ks, r, l, 10); + D_ENCRYPT(ks, l, r, 9); + D_ENCRYPT(ks, r, l, 8); + D_ENCRYPT(ks, l, r, 7); + D_ENCRYPT(ks, r, l, 6); + D_ENCRYPT(ks, l, r, 5); + D_ENCRYPT(ks, r, l, 4); + D_ENCRYPT(ks, l, r, 3); + D_ENCRYPT(ks, r, l, 2); + D_ENCRYPT(ks, l, r, 1); + D_ENCRYPT(ks, r, l, 0); } /* rotate and clear the top bits on machines with 8byte longs */ data[0] = ROTATE(l, 3) & 0xffffffffL; data[1] = ROTATE(r, 3) & 0xffffffffL; } -static void DES_encrypt3(uint32_t *data, const DES_key_schedule *ks1, - const DES_key_schedule *ks2, - const DES_key_schedule *ks3) { +/* DES_encrypt3 is not static because it's used in decrepit. */ +void DES_encrypt3(uint32_t *data, const DES_key_schedule *ks1, + const DES_key_schedule *ks2, const DES_key_schedule *ks3) { uint32_t l, r; l = data[0]; @@ -525,9 +519,9 @@ static void DES_encrypt3(uint32_t *data, const DES_key_schedule *ks1, data[1] = r; } -static void DES_decrypt3(uint32_t *data, const DES_key_schedule *ks1, - const DES_key_schedule *ks2, - const DES_key_schedule *ks3) { +/* DES_decrypt3 is not static because it's used in decrepit. */ +void DES_decrypt3(uint32_t *data, const DES_key_schedule *ks1, + const DES_key_schedule *ks2, const DES_key_schedule *ks3) { uint32_t l, r; l = data[0]; @@ -770,3 +764,10 @@ void DES_ede2_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len, int enc) { DES_ede3_cbc_encrypt(in, out, len, ks1, ks2, ks1, ivec, enc); } + + +/* Deprecated functions. */ + +void DES_set_key_unchecked(const DES_cblock *key, DES_key_schedule *schedule) { + DES_set_key(key, schedule); +} |