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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,47 @@ | ||
| BAMBU?=bambu | ||
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| CFLAGS?=-O3 -m32 -Wall -Wno-unused-label | ||
| TOP_FNAME?=aes256_encrypt_ecb | ||
| BAMBU_FLAGS?=--compiler=I386_GCC49 -O1 -m32 --generate-interface=INFER --generate-tb=aes_test.c --simulate | ||
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| BAMBU_FLAGS_EXTRA=--top-fname=$(TOP_FNAME) --simulator=VERILATOR --verilator-parallel=4 -v4 --print-dot --no-clean | ||
| # BAMBU_FLAGS_EXTRA+= -fno-unroll-loops | ||
| # BAMBU_FLAGS_EXTRA+= --enable-function-proxy | ||
| # BAMBU_FLAGS_EXTRA+= -fno-inline-functions -fno-inline --panda-parameter=function-opt=0 | ||
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| CFLAGS_EXTRA=-I../common | ||
| LD_FLAGS_EXTRA=-Wl,-rpath,. | ||
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| SRCS=local_support.c ../common/support.c | ||
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| KERN_SRCS=aes.c | ||
| KERN_LIB=aes.so | ||
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| FILES=$(SRCS) $(KERN_LIB) aes.h ../common/support.h | ||
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| .PHONY: run hls clean clean-hls | ||
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| $(KERN_LIB): $(KERN_SRCS) aes.h | ||
| $(CC) $(CFLAGS) $(CFLAGS_EXTRA) -shared -fPIC -o $@ $< | ||
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| testbench: aes_test.c $(KERN_LIB) | ||
| $(CC) $(CFLAGS) $(CFLAGS_EXTRA) $(LD_FLAGS_EXTRA) -o $@ $^ | ||
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| aes: $(FILES) ../common/harness.c | ||
| $(CC) $(CFLAGS) $(CFLAGS_EXTRA) $(LD_FLAGS_EXTRA) -o aes $(SRCS) $(KERN_LIB) ../common/harness.c | ||
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| run: aes input.data check.data | ||
| ./aes input.data check.data | ||
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| generate: $(FILES) generate.c | ||
| $(CC) $(CFLAGS) $(CFLAGS_EXTRA) -o generate $(SRCS) generate.c | ||
| ./generate | ||
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| hls: $(KERN_SRCS) aes.h | ||
| $(BAMBU) $(BAMBU_FLAGS) $(BAMBU_FLAGS_EXTRA) $(CFLAGS_EXTRA) $(KERN_SRCS) | ||
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| clean-hls: | ||
| rm -rf HLS_output panda-temp $(TOP_FNAME).v *.mem memory_allocation_* simulate_* synthesize_* results.txt transcript | ||
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| clean: clean-hls | ||
| rm -f $(KERN_LIB) aes testbench generate output.data |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,219 @@ | ||
| /* | ||
| * Byte-oriented AES-256 implementation. | ||
| * All lookup tables replaced with 'on the fly' calculations. | ||
| */ | ||
| #include "aes.h" | ||
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| #define F(x) (((x)<<1) ^ ((((x)>>7) & 1) * 0x1b)) | ||
| #define FD(x) (((x) >> 1) ^ (((x) & 1) ? 0x8d : 0)) | ||
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| #define BACK_TO_TABLES | ||
| #ifdef BACK_TO_TABLES | ||
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| const uint8_t sbox[256] = { | ||
| 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, | ||
| 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, | ||
| 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, | ||
| 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, | ||
| 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, | ||
| 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, | ||
| 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, | ||
| 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, | ||
| 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, | ||
| 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, | ||
| 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, | ||
| 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, | ||
| 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, | ||
| 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, | ||
| 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, | ||
| 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, | ||
| 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, | ||
| 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, | ||
| 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, | ||
| 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, | ||
| 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, | ||
| 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, | ||
| 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, | ||
| 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, | ||
| 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, | ||
| 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, | ||
| 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, | ||
| 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, | ||
| 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, | ||
| 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, | ||
| 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, | ||
| 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 | ||
| }; | ||
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| #define rj_sbox(x) sbox[(x)] | ||
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| #else /* tableless subroutines */ | ||
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| /* -------------------------------------------------------------------------- */ | ||
| uint8_t gf_alog(uint8_t x) // calculate anti-logarithm gen 3 | ||
| { | ||
| uint8_t atb = 1, z; | ||
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| alog : while (x--) {z = atb; atb <<= 1; if (z & 0x80) atb^= 0x1b; atb ^= z;} | ||
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| return atb; | ||
| } /* gf_alog */ | ||
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| /* -------------------------------------------------------------------------- */ | ||
| uint8_t gf_log(uint8_t x) // calculate logarithm gen 3 | ||
| { | ||
| uint8_t atb = 1, i = 0, z; | ||
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| glog : do { | ||
| if (atb == x) break; | ||
| z = atb; atb <<= 1; if (z & 0x80) atb^= 0x1b; atb ^= z; | ||
| } while (++i > 0); | ||
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| return i; | ||
| } /* gf_log */ | ||
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| /* -------------------------------------------------------------------------- */ | ||
| uint8_t gf_mulinv(uint8_t x) // calculate multiplicative inverse | ||
| { | ||
| return (x) ? gf_alog(255 - gf_log(x)) : 0; | ||
| } /* gf_mulinv */ | ||
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| /* -------------------------------------------------------------------------- */ | ||
| uint8_t rj_sbox(uint8_t x) | ||
| { | ||
| uint8_t y, sb; | ||
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| sb = y = gf_mulinv(x); | ||
| y = (y<<1)|(y>>7); sb ^= y; y = (y<<1)|(y>>7); sb ^= y; | ||
| y = (y<<1)|(y>>7); sb ^= y; y = (y<<1)|(y>>7); sb ^= y; | ||
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| return (sb ^ 0x63); | ||
| } /* rj_sbox */ | ||
| #endif | ||
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| /* -------------------------------------------------------------------------- */ | ||
| uint8_t rj_xtime(uint8_t x) | ||
| { | ||
| return (x & 0x80) ? ((x << 1) ^ 0x1b) : (x << 1); | ||
| } /* rj_xtime */ | ||
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| /* -------------------------------------------------------------------------- */ | ||
| void aes_subBytes(uint8_t *buf) | ||
| { | ||
| register uint8_t i = 16; | ||
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| sub : while (i--) buf[i] = rj_sbox(buf[i]); | ||
| } /* aes_subBytes */ | ||
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| /* -------------------------------------------------------------------------- */ | ||
| void aes_addRoundKey(uint8_t *buf, uint8_t *key) | ||
| { | ||
| register uint8_t i = 16; | ||
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| addkey : while (i--) buf[i] ^= key[i]; | ||
| } /* aes_addRoundKey */ | ||
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| /* -------------------------------------------------------------------------- */ | ||
| void aes_addRoundKey_cpy(uint8_t *buf, uint8_t *key, uint8_t *cpk) | ||
| { | ||
| register uint8_t i = 16; | ||
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| cpkey : while (i--) buf[i] ^= (cpk[i] = key[i]), cpk[16+i] = key[16 + i]; | ||
| } /* aes_addRoundKey_cpy */ | ||
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| /* -------------------------------------------------------------------------- */ | ||
| void aes_shiftRows(uint8_t *buf) | ||
| { | ||
| register uint8_t i, j; /* to make it potentially parallelable :) */ | ||
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| i = buf[1]; buf[1] = buf[5]; buf[5] = buf[9]; buf[9] = buf[13]; buf[13] = i; | ||
| i = buf[10]; buf[10] = buf[2]; buf[2] = i; | ||
| j = buf[3]; buf[3] = buf[15]; buf[15] = buf[11]; buf[11] = buf[7]; buf[7] = j; | ||
| j = buf[14]; buf[14] = buf[6]; buf[6] = j; | ||
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| } /* aes_shiftRows */ | ||
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| /* -------------------------------------------------------------------------- */ | ||
| void aes_mixColumns(uint8_t *buf) | ||
| { | ||
| register uint8_t i, a, b, c, d, e; | ||
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| for (i = 0; i < 16; i += 4) | ||
| { | ||
| a = buf[i]; b = buf[i + 1]; c = buf[i + 2]; d = buf[i + 3]; | ||
| e = a ^ b ^ c ^ d; | ||
| buf[i] ^= e ^ rj_xtime(a^b); buf[i+1] ^= e ^ rj_xtime(b^c); | ||
| buf[i+2] ^= e ^ rj_xtime(c^d); buf[i+3] ^= e ^ rj_xtime(d^a); | ||
| } | ||
| } /* aes_mixColumns */ | ||
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| /* -------------------------------------------------------------------------- */ | ||
| void aes_expandEncKey(uint8_t *k, uint8_t *rc) | ||
| { | ||
| register uint8_t i; | ||
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| k[0] ^= rj_sbox(k[29]) ^ (*rc); | ||
| k[1] ^= rj_sbox(k[30]); | ||
| k[2] ^= rj_sbox(k[31]); | ||
| k[3] ^= rj_sbox(k[28]); | ||
| *rc = F( *rc); | ||
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| for(i = 4; i < 16; i += 4) | ||
| { | ||
| k[i] ^= k[i-4]; | ||
| k[i+1] ^= k[i-3]; | ||
| k[i+2] ^= k[i-2]; | ||
| k[i+3] ^= k[i-1]; | ||
| } | ||
| k[16] ^= rj_sbox(k[12]); | ||
| k[17] ^= rj_sbox(k[13]); | ||
| k[18] ^= rj_sbox(k[14]); | ||
| k[19] ^= rj_sbox(k[15]); | ||
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| for(i = 20; i < 32; i += 4) | ||
| { | ||
| k[i] ^= k[i-4]; | ||
| k[i+1] ^= k[i-3]; | ||
| k[i+2] ^= k[i-2]; | ||
| k[i+3] ^= k[i-1]; | ||
| } | ||
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| } /* aes_expandEncKey */ | ||
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| // #pragma HLS interface port=ctx mode=m_axi offset=direct bundle=gmem0 | ||
| // #pragma HLS interface port=k mode=m_axi offset=direct bundle=gmem0 | ||
| // #pragma HLS interface port=buf mode=m_axi offset=direct bundle=gmem0 | ||
| /* -------------------------------------------------------------------------- */ | ||
| void aes256_encrypt_ecb(aes256_context *ctx, uint8_t k[32], uint8_t buf[16]) | ||
| { | ||
| //INIT | ||
| uint8_t rcon = 1; | ||
| uint8_t i; | ||
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| for (i = 0; i < sizeof(ctx->key); i++){ | ||
| ctx->enckey[i] = ctx->deckey[i] = k[i]; | ||
| } | ||
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| for (i = 8;--i;){ | ||
| aes_expandEncKey(ctx->deckey, &rcon); | ||
| } | ||
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| //DEC | ||
| aes_addRoundKey_cpy(buf, ctx->enckey, ctx->key); | ||
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| for(i = 1, rcon = 1; i < 14; ++i) | ||
| { | ||
| aes_subBytes(buf); | ||
| aes_shiftRows(buf); | ||
| aes_mixColumns(buf); | ||
| if( i & 1 ) aes_addRoundKey( buf, &ctx->key[16]); | ||
| else aes_expandEncKey(ctx->key, &rcon), aes_addRoundKey(buf, ctx->key); | ||
| } | ||
| aes_subBytes(buf); | ||
| aes_shiftRows(buf); | ||
| aes_expandEncKey(ctx->key, &rcon); | ||
| aes_addRoundKey(buf, ctx->key); | ||
| } /* aes256_encrypt */ | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| /* | ||
| * Byte-oriented AES-256 implementation. | ||
| * All lookup tables replaced with 'on the fly' calculations. | ||
| */ | ||
| #include "support.h" | ||
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| typedef struct { | ||
| uint8_t key[32]; | ||
| uint8_t enckey[32]; | ||
| uint8_t deckey[32]; | ||
| } aes256_context; | ||
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| void aes256_encrypt_ecb(aes256_context *ctx, uint8_t k[32], uint8_t buf[16]); | ||
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| //////////////////////////////////////////////////////////////////////////////// | ||
| // Test harness interface code. | ||
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| struct bench_args_t { | ||
| aes256_context ctx; | ||
| uint8_t k[32]; | ||
| uint8_t buf[16]; | ||
| }; | ||
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