| Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/idea/i_cfb64.c |
| Switch to Source code | Preprocessed file |
| Line | Source | Count | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | - | |||||||
| 2 | - | |||||||
| 3 | - | |||||||
| 4 | - | |||||||
| 5 | - | |||||||
| 6 | - | |||||||
| 7 | void idea_cfb64_encrypt(const unsigned char *in, unsigned char *out, | - | ||||||
| 8 | long length, IDEA_KEY_SCHEDULE *schedule, | - | ||||||
| 9 | unsigned char *ivec, int *num, int encrypt) | - | ||||||
| 10 | { | - | ||||||
| 11 | unsigned long v0,v1,t; | - | ||||||
| 12 | int n= *num; | - | ||||||
| 13 | long l=length; | - | ||||||
| 14 | unsigned long ti[2]; | - | ||||||
| 15 | unsigned char *iv,c,cc; | - | ||||||
| 16 | - | |||||||
| 17 | iv=(unsigned char *)ivec; | - | ||||||
| 18 | if (encrypt
| 2 | ||||||
| 19 | { | - | ||||||
| 20 | while (l--
| 2-24 | ||||||
| 21 | { | - | ||||||
| 22 | if (n == 0
| 3-21 | ||||||
| 23 | { | - | ||||||
| 24 | (v0 =((unsigned long)(*((iv)++)))<<24L, v0|=((unsigned long)(*((iv)++)))<<16L, v0|=((unsigned long)(*((iv)++)))<< 8L, v0|=((unsigned long)(*((iv)++)))); ti[0]=v0; | - | ||||||
| 25 | (v1 =((unsigned long)(*((iv)++)))<<24L, v1|=((unsigned long)(*((iv)++)))<<16L, v1|=((unsigned long)(*((iv)++)))<< 8L, v1|=((unsigned long)(*((iv)++)))); ti[1]=v1; | - | ||||||
| 26 | idea_encrypt((unsigned long *)ti,schedule); | - | ||||||
| 27 | iv=(unsigned char *)ivec; | - | ||||||
| 28 | t=ti[0]; (*((iv)++)=(unsigned char)(((t)>>24L)&0xff), *((iv)++)=(unsigned char)(((t)>>16L)&0xff), *((iv)++)=(unsigned char)(((t)>> 8L)&0xff), *((iv)++)=(unsigned char)(((t) )&0xff)); | - | ||||||
| 29 | t=ti[1]; (*((iv)++)=(unsigned char)(((t)>>24L)&0xff), *((iv)++)=(unsigned char)(((t)>>16L)&0xff), *((iv)++)=(unsigned char)(((t)>> 8L)&0xff), *((iv)++)=(unsigned char)(((t) )&0xff)); | - | ||||||
| 30 | iv=(unsigned char *)ivec; | - | ||||||
| 31 | } executed 3 times by 1 test: end of blockExecuted by:
| 3 | ||||||
| 32 | c= *(in++)^iv[n]; | - | ||||||
| 33 | *(out++)=c; | - | ||||||
| 34 | iv[n]=c; | - | ||||||
| 35 | n=(n+1)&0x07; | - | ||||||
| 36 | } executed 24 times by 1 test: end of blockExecuted by:
| 24 | ||||||
| 37 | } executed 2 times by 1 test: end of blockExecuted by:
| 2 | ||||||
| 38 | else | - | ||||||
| 39 | { | - | ||||||
| 40 | while (l--
| 2-24 | ||||||
| 41 | { | - | ||||||
| 42 | if (n == 0
| 3-21 | ||||||
| 43 | { | - | ||||||
| 44 | (v0 =((unsigned long)(*((iv)++)))<<24L, v0|=((unsigned long)(*((iv)++)))<<16L, v0|=((unsigned long)(*((iv)++)))<< 8L, v0|=((unsigned long)(*((iv)++)))); ti[0]=v0; | - | ||||||
| 45 | (v1 =((unsigned long)(*((iv)++)))<<24L, v1|=((unsigned long)(*((iv)++)))<<16L, v1|=((unsigned long)(*((iv)++)))<< 8L, v1|=((unsigned long)(*((iv)++)))); ti[1]=v1; | - | ||||||
| 46 | idea_encrypt((unsigned long *)ti,schedule); | - | ||||||
| 47 | iv=(unsigned char *)ivec; | - | ||||||
| 48 | t=ti[0]; (*((iv)++)=(unsigned char)(((t)>>24L)&0xff), *((iv)++)=(unsigned char)(((t)>>16L)&0xff), *((iv)++)=(unsigned char)(((t)>> 8L)&0xff), *((iv)++)=(unsigned char)(((t) )&0xff)); | - | ||||||
| 49 | t=ti[1]; (*((iv)++)=(unsigned char)(((t)>>24L)&0xff), *((iv)++)=(unsigned char)(((t)>>16L)&0xff), *((iv)++)=(unsigned char)(((t)>> 8L)&0xff), *((iv)++)=(unsigned char)(((t) )&0xff)); | - | ||||||
| 50 | iv=(unsigned char *)ivec; | - | ||||||
| 51 | } executed 3 times by 1 test: end of blockExecuted by:
| 3 | ||||||
| 52 | cc= *(in++); | - | ||||||
| 53 | c=iv[n]; | - | ||||||
| 54 | iv[n]=cc; | - | ||||||
| 55 | *(out++)=c^cc; | - | ||||||
| 56 | n=(n+1)&0x07; | - | ||||||
| 57 | } executed 24 times by 1 test: end of blockExecuted by:
| 24 | ||||||
| 58 | } executed 2 times by 1 test: end of blockExecuted by:
| 2 | ||||||
| 59 | v0=v1=ti[0]=ti[1]=t=c=cc=0; | - | ||||||
| 60 | *num=n; | - | ||||||
| 61 | } executed 4 times by 1 test: end of blockExecuted by:
| 4 | ||||||
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