From 0c498556d5b11c101d2b18cf85cff2d53aa97d58 Mon Sep 17 00:00:00 2001 From: Adam Ierymenko Date: Fri, 9 Oct 2015 09:39:27 -0700 Subject: Unroll Salsa20 fully for a little more speed (non-SSE now almost as fast as SSE) --- selftest.cpp | 42 ++++++++++++------------------------------ 1 file changed, 12 insertions(+), 30 deletions(-) (limited to 'selftest.cpp') diff --git a/selftest.cpp b/selftest.cpp index 090839ee..4ba76c0b 100644 --- a/selftest.cpp +++ b/selftest.cpp @@ -162,27 +162,27 @@ static int testCrypto() memset(buf2,0,sizeof(buf2)); memset(buf3,0,sizeof(buf3)); Salsa20 s20; - s20.init("12345678123456781234567812345678",256,"12345678",20); - s20.encrypt(buf1,buf2,sizeof(buf1)); - s20.init("12345678123456781234567812345678",256,"12345678",20); - s20.decrypt(buf2,buf3,sizeof(buf2)); + s20.init("12345678123456781234567812345678",256,"12345678"); + s20.encrypt20(buf1,buf2,sizeof(buf1)); + s20.init("12345678123456781234567812345678",256,"12345678"); + s20.decrypt20(buf2,buf3,sizeof(buf2)); if (memcmp(buf1,buf3,sizeof(buf1))) { std::cout << "FAIL (encrypt/decrypt test)" << std::endl; return -1; } } - Salsa20 s20(s20TV0Key,256,s20TV0Iv,20); + Salsa20 s20(s20TV0Key,256,s20TV0Iv); memset(buf1,0,sizeof(buf1)); memset(buf2,0,sizeof(buf2)); - s20.encrypt(buf1,buf2,64); + s20.encrypt20(buf1,buf2,64); if (memcmp(buf2,s20TV0Ks,64)) { std::cout << "FAIL (test vector 0)" << std::endl; return -1; } - s20.init(s2012TV0Key,256,s2012TV0Iv,12); + s20.init(s2012TV0Key,256,s2012TV0Iv); memset(buf1,0,sizeof(buf1)); memset(buf2,0,sizeof(buf2)); - s20.encrypt(buf1,buf2,64); + s20.encrypt12(buf1,buf2,64); if (memcmp(buf2,s2012TV0Ks,64)) { std::cout << "FAIL (test vector 1)" << std::endl; return -1; @@ -195,34 +195,16 @@ static int testCrypto() std::cout << "[crypto] Salsa20 SSE: DISABLED" << std::endl; #endif - std::cout << "[crypto] Benchmarking Salsa20/8... "; std::cout.flush(); - { - unsigned char *bb = (unsigned char *)::malloc(1234567); - for(unsigned int i=0;i<1234567;++i) - bb[i] = (unsigned char)i; - Salsa20 s20(s20TV0Key,256,s20TV0Iv,8); - double bytes = 0.0; - uint64_t start = OSUtils::now(); - for(unsigned int i=0;i<200;++i) { - s20.encrypt(bb,bb,1234567); - bytes += 1234567.0; - } - uint64_t end = OSUtils::now(); - SHA512::hash(buf1,bb,1234567); - std::cout << ((bytes / 1048576.0) / ((double)(end - start) / 1000.0)) << " MiB/second (" << Utils::hex(buf1,16) << ')' << std::endl; - ::free((void *)bb); - } - std::cout << "[crypto] Benchmarking Salsa20/12... "; std::cout.flush(); { unsigned char *bb = (unsigned char *)::malloc(1234567); for(unsigned int i=0;i<1234567;++i) bb[i] = (unsigned char)i; - Salsa20 s20(s20TV0Key,256,s20TV0Iv,12); + Salsa20 s20(s20TV0Key,256,s20TV0Iv); double bytes = 0.0; uint64_t start = OSUtils::now(); for(unsigned int i=0;i<200;++i) { - s20.encrypt(bb,bb,1234567); + s20.encrypt12(bb,bb,1234567); bytes += 1234567.0; } uint64_t end = OSUtils::now(); @@ -236,11 +218,11 @@ static int testCrypto() unsigned char *bb = (unsigned char *)::malloc(1234567); for(unsigned int i=0;i<1234567;++i) bb[i] = (unsigned char)i; - Salsa20 s20(s20TV0Key,256,s20TV0Iv,20); + Salsa20 s20(s20TV0Key,256,s20TV0Iv); double bytes = 0.0; uint64_t start = OSUtils::now(); for(unsigned int i=0;i<200;++i) { - s20.encrypt(bb,bb,1234567); + s20.encrypt20(bb,bb,1234567); bytes += 1234567.0; } uint64_t end = OSUtils::now(); -- cgit v1.2.3