diff options
Diffstat (limited to 'crypto/idea/i_cbc.c')
| -rw-r--r-- | crypto/idea/i_cbc.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/crypto/idea/i_cbc.c b/crypto/idea/i_cbc.c index d17e9f29e0..716ea3f474 100644 --- a/crypto/idea/i_cbc.c +++ b/crypto/idea/i_cbc.c @@ -1,5 +1,5 @@ /* crypto/idea/i_cbc.c */ -/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com) +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written @@ -138,3 +138,38 @@ int encrypt; tin[0]=tin[1]=0; } +void idea_encrypt(d,key) +unsigned long *d; +IDEA_KEY_SCHEDULE *key; + { + register IDEA_INT *p; + register unsigned long x1,x2,x3,x4,t0,t1,ul; + + x2=d[0]; + x1=(x2>>16); + x4=d[1]; + x3=(x4>>16); + + p= &(key->data[0][0]); + + E_IDEA(0); + E_IDEA(1); + E_IDEA(2); + E_IDEA(3); + E_IDEA(4); + E_IDEA(5); + E_IDEA(6); + E_IDEA(7); + + x1&=0xffff; + idea_mul(x1,x1,*p,ul); p++; + + t0= x3+ *(p++); + t1= x2+ *(p++); + + x4&=0xffff; + idea_mul(x4,x4,*p,ul); + + d[0]=(t0&0xffff)|((x1&0xffff)<<16); + d[1]=(x4&0xffff)|((t1&0xffff)<<16); + } |