URL https://opencores.org/ocsvn/csa/csa/trunk

Subversion Repositories csa

[/] [csa/] [trunk/] [sw_sim/] [csa.c] - Diff between revs 43 and 49

Rev 43	Rev 49
Line 390...	Line 390...

`if (j != N) {`	`if (j != N) {`
`stream_cypher(0, ck, NULL, stream);`	`stream_cypher(0, ck, NULL, stream);`

`/* xor sb x stream */`	`/* xor sb x stream */`
`DEBUG_OUTPUT_ARR(&encrypted[offset+8*j+0],8);`
`DEBUG_OUTPUT_ARR(stream,8);`
`for(i=0; i<8; i++)`	`for(i=0; i<8; i++)`
`ib[i] = encrypted[offset+8*j+i] ^ stream[i];`	`ib[i] = encrypted[offset+8*j+i] ^ stream[i];`
`}`	`}`
`else {`	`else {`
`/* last block - sb[N+1] = IV(initialisation vetor)(=0) */`	`/* last block - sb[N+1] = IV(initialisation vetor)(=0) */`
Line 407...	Line 405...
`DEBUG_OUTPUT_ARR(ib,8);`	`DEBUG_OUTPUT_ARR(ib,8);`
`DEBUG_OUTPUT_ARR(block,8);`	`DEBUG_OUTPUT_ARR(block,8);`
`#endif`	`#endif`

`/* xor ib x block */`	`/* xor ib x block */`
`DEBUG_OUTPUT_ARR(block,8);`
`for(i=0; i<8; i++)`	`for(i=0; i<8; i++)`
`decrypted[offset+8*(j-1)+i] = ib[i] ^ block[i];`	`decrypted[offset+8*(j-1)+i] = ib[i] ^ block[i];`
`DEBUG_OUTPUT_ARR(&decrypted[offset+8*(j-1)+0],8);`
`} /* for(j=1; j<(N+1); j++) */`	`} /* for(j=1; j<(N+1); j++) */`

`if (residue) {`	`if (residue) {`
`stream_cypher(0, ck, NULL, stream);`	`stream_cypher(0, ck, NULL, stream);`
`for (i=0;i<residue;i++)`	`for (i=0;i<residue;i++)`