diff options
author | Matt Caswell <matt@openssl.org> | 2015-01-22 03:40:55 +0000 |
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committer | Matt Caswell <matt@openssl.org> | 2015-01-22 09:20:09 +0000 |
commit | 0f113f3ee4d629ef9a4a30911b22b224772085e5 (patch) | |
tree | e014603da5aed1d0751f587a66d6e270b6bda3de /crypto/modes/cts128.c | |
parent | 22b52164aaed31d6e93dbd2d397ace041360e6aa (diff) |
Run util/openssl-format-source -v -c .
Reviewed-by: Tim Hudson <tjh@openssl.org>
Diffstat (limited to 'crypto/modes/cts128.c')
-rw-r--r-- | crypto/modes/cts128.c | 708 |
1 files changed, 392 insertions, 316 deletions
diff --git a/crypto/modes/cts128.c b/crypto/modes/cts128.c index 1f6e992a03..137be595a1 100644 --- a/crypto/modes/cts128.c +++ b/crypto/modes/cts128.c @@ -29,440 +29,516 @@ * compliant with the NIST proposal, both extending CBC mode. */ -size_t CRYPTO_cts128_encrypt_block(const unsigned char *in, unsigned char *out, - size_t len, const void *key, - unsigned char ivec[16], block128_f block) -{ size_t residue, n; +size_t CRYPTO_cts128_encrypt_block(const unsigned char *in, + unsigned char *out, size_t len, + const void *key, unsigned char ivec[16], + block128_f block) +{ + size_t residue, n; - assert (in && out && key && ivec); + assert(in && out && key && ivec); - if (len <= 16) return 0; + if (len <= 16) + return 0; - if ((residue=len%16) == 0) residue = 16; + if ((residue = len % 16) == 0) + residue = 16; - len -= residue; + len -= residue; - CRYPTO_cbc128_encrypt(in,out,len,key,ivec,block); + CRYPTO_cbc128_encrypt(in, out, len, key, ivec, block); - in += len; - out += len; + in += len; + out += len; - for (n=0; n<residue; ++n) - ivec[n] ^= in[n]; - (*block)(ivec,ivec,key); - memcpy(out,out-16,residue); - memcpy(out-16,ivec,16); + for (n = 0; n < residue; ++n) + ivec[n] ^= in[n]; + (*block) (ivec, ivec, key); + memcpy(out, out - 16, residue); + memcpy(out - 16, ivec, 16); - return len+residue; + return len + residue; } -size_t CRYPTO_nistcts128_encrypt_block(const unsigned char *in, unsigned char *out, - size_t len, const void *key, - unsigned char ivec[16], block128_f block) -{ size_t residue, n; +size_t CRYPTO_nistcts128_encrypt_block(const unsigned char *in, + unsigned char *out, size_t len, + const void *key, + unsigned char ivec[16], + block128_f block) +{ + size_t residue, n; - assert (in && out && key && ivec); + assert(in && out && key && ivec); - if (len < 16) return 0; + if (len < 16) + return 0; - residue=len%16; + residue = len % 16; - len -= residue; + len -= residue; - CRYPTO_cbc128_encrypt(in,out,len,key,ivec,block); + CRYPTO_cbc128_encrypt(in, out, len, key, ivec, block); - if (residue==0) return len; + if (residue == 0) + return len; - in += len; - out += len; + in += len; + out += len; - for (n=0; n<residue; ++n) - ivec[n] ^= in[n]; - (*block)(ivec,ivec,key); - memcpy(out-16+residue,ivec,16); + for (n = 0; n < residue; ++n) + ivec[n] ^= in[n]; + (*block) (ivec, ivec, key); + memcpy(out - 16 + residue, ivec, 16); - return len+residue; + return len + residue; } size_t CRYPTO_cts128_encrypt(const unsigned char *in, unsigned char *out, - size_t len, const void *key, - unsigned char ivec[16], cbc128_f cbc) -{ size_t residue; - union { size_t align; unsigned char c[16]; } tmp; + size_t len, const void *key, + unsigned char ivec[16], cbc128_f cbc) +{ + size_t residue; + union { + size_t align; + unsigned char c[16]; + } tmp; - assert (in && out && key && ivec); + assert(in && out && key && ivec); - if (len <= 16) return 0; + if (len <= 16) + return 0; - if ((residue=len%16) == 0) residue = 16; + if ((residue = len % 16) == 0) + residue = 16; - len -= residue; + len -= residue; - (*cbc)(in,out,len,key,ivec,1); + (*cbc) (in, out, len, key, ivec, 1); - in += len; - out += len; + in += len; + out += len; #if defined(CBC_HANDLES_TRUNCATED_IO) - memcpy(tmp.c,out-16,16); - (*cbc)(in,out-16,residue,key,ivec,1); - memcpy(out,tmp.c,residue); + memcpy(tmp.c, out - 16, 16); + (*cbc) (in, out - 16, residue, key, ivec, 1); + memcpy(out, tmp.c, residue); #else - memset(tmp.c,0,sizeof(tmp)); - memcpy(tmp.c,in,residue); - memcpy(out,out-16,residue); - (*cbc)(tmp.c,out-16,16,key,ivec,1); + memset(tmp.c, 0, sizeof(tmp)); + memcpy(tmp.c, in, residue); + memcpy(out, out - 16, residue); + (*cbc) (tmp.c, out - 16, 16, key, ivec, 1); #endif - return len+residue; + return len + residue; } size_t CRYPTO_nistcts128_encrypt(const unsigned char *in, unsigned char *out, - size_t len, const void *key, - unsigned char ivec[16], cbc128_f cbc) -{ size_t residue; - union { size_t align; unsigned char c[16]; } tmp; + size_t len, const void *key, + unsigned char ivec[16], cbc128_f cbc) +{ + size_t residue; + union { + size_t align; + unsigned char c[16]; + } tmp; - assert (in && out && key && ivec); + assert(in && out && key && ivec); - if (len < 16) return 0; + if (len < 16) + return 0; - residue=len%16; + residue = len % 16; - len -= residue; + len -= residue; - (*cbc)(in,out,len,key,ivec,1); + (*cbc) (in, out, len, key, ivec, 1); - if (residue==0) return len; + if (residue == 0) + return len; - in += len; - out += len; + in += len; + out += len; #if defined(CBC_HANDLES_TRUNCATED_IO) - (*cbc)(in,out-16+residue,residue,key,ivec,1); + (*cbc) (in, out - 16 + residue, residue, key, ivec, 1); #else - memset(tmp.c,0,sizeof(tmp)); - memcpy(tmp.c,in,residue); - (*cbc)(tmp.c,out-16+residue,16,key,ivec,1); + memset(tmp.c, 0, sizeof(tmp)); + memcpy(tmp.c, in, residue); + (*cbc) (tmp.c, out - 16 + residue, 16, key, ivec, 1); #endif - return len+residue; + return len + residue; } -size_t CRYPTO_cts128_decrypt_block(const unsigned char *in, unsigned char *out, - size_t len, const void *key, - unsigned char ivec[16], block128_f block) -{ size_t residue, n; - union { size_t align; unsigned char c[32]; } tmp; +size_t CRYPTO_cts128_decrypt_block(const unsigned char *in, + unsigned char *out, size_t len, + const void *key, unsigned char ivec[16], + block128_f block) +{ + size_t residue, n; + union { + size_t align; + unsigned char c[32]; + } tmp; - assert (in && out && key && ivec); + assert(in && out && key && ivec); - if (len<=16) return 0; + if (len <= 16) + return 0; - if ((residue=len%16) == 0) residue = 16; + if ((residue = len % 16) == 0) + residue = 16; - len -= 16+residue; + len -= 16 + residue; - if (len) { - CRYPTO_cbc128_decrypt(in,out,len,key,ivec,block); - in += len; - out += len; - } + if (len) { + CRYPTO_cbc128_decrypt(in, out, len, key, ivec, block); + in += len; + out += len; + } - (*block)(in,tmp.c+16,key); + (*block) (in, tmp.c + 16, key); - memcpy(tmp.c,tmp.c+16,16); - memcpy(tmp.c,in+16,residue); - (*block)(tmp.c,tmp.c,key); + memcpy(tmp.c, tmp.c + 16, 16); + memcpy(tmp.c, in + 16, residue); + (*block) (tmp.c, tmp.c, key); - for(n=0; n<16; ++n) { - unsigned char c = in[n]; - out[n] = tmp.c[n] ^ ivec[n]; - ivec[n] = c; - } - for(residue+=16; n<residue; ++n) - out[n] = tmp.c[n] ^ in[n]; + for (n = 0; n < 16; ++n) { + unsigned char c = in[n]; + out[n] = tmp.c[n] ^ ivec[n]; + ivec[n] = c; + } + for (residue += 16; n < residue; ++n) + out[n] = tmp.c[n] ^ in[n]; - return 16+len+residue; + return 16 + len + residue; } -size_t CRYPTO_nistcts128_decrypt_block(const unsigned char *in, unsigned char *out, - size_t len, const void *key, - unsigned char ivec[16], block128_f block) -{ size_t residue, n; - union { size_t align; unsigned char c[32]; } tmp; +size_t CRYPTO_nistcts128_decrypt_block(const unsigned char *in, + unsigned char *out, size_t len, + const void *key, + unsigned char ivec[16], + block128_f block) +{ + size_t residue, n; + union { + size_t align; + unsigned char c[32]; + } tmp; - assert (in && out && key && ivec); + assert(in && out && key && ivec); - if (len<16) return 0; + if (len < 16) + return 0; - residue=len%16; + residue = len % 16; - if (residue==0) { - CRYPTO_cbc128_decrypt(in,out,len,key,ivec,block); - return len; - } + if (residue == 0) { + CRYPTO_cbc128_decrypt(in, out, len, key, ivec, block); + return len; + } - len -= 16+residue; + len -= 16 + residue; - if (len) { - CRYPTO_cbc128_decrypt(in,out,len,key,ivec,block); - in += len; - out += len; - } + if (len) { + CRYPTO_cbc128_decrypt(in, out, len, key, ivec, block); + in += len; + out += len; + } - (*block)(in+residue,tmp.c+16,key); + (*block) (in + residue, tmp.c + 16, key); - memcpy(tmp.c,tmp.c+16,16); - memcpy(tmp.c,in,residue); - (*block)(tmp.c,tmp.c,key); + memcpy(tmp.c, tmp.c + 16, 16); + memcpy(tmp.c, in, residue); + (*block) (tmp.c, tmp.c, key); - for(n=0; n<16; ++n) { - unsigned char c = in[n]; - out[n] = tmp.c[n] ^ ivec[n]; - ivec[n] = in[n+residue]; - tmp.c[n] = c; - } - for(residue+=16; n<residue; ++n) - out[n] = tmp.c[n] ^ tmp.c[n-16]; + for (n = 0; n < 16; ++n) { + unsigned char c = in[n]; + out[n] = tmp.c[n] ^ ivec[n]; + ivec[n] = in[n + residue]; + tmp.c[n] = c; + } + for (residue += 16; n < residue; ++n) + out[n] = tmp.c[n] ^ tmp.c[n - 16]; - return 16+len+residue; + return 16 + len + residue; } size_t CRYPTO_cts128_decrypt(const unsigned char *in, unsigned char *out, - size_t len, const void *key, - unsigned char ivec[16], cbc128_f cbc) -{ size_t residue; - union { size_t align; unsigned char c[32]; } tmp; + size_t len, const void *key, + unsigned char ivec[16], cbc128_f cbc) +{ + size_t residue; + union { + size_t align; + unsigned char c[32]; + } tmp; - assert (in && out && key && ivec); + assert(in && out && key && ivec); - if (len<=16) return 0; + if (len <= 16) + return 0; - if ((residue=len%16) == 0) residue = 16; + if ((residue = len % 16) == 0) + residue = 16; - len -= 16+residue; + len -= 16 + residue; - if (len) { - (*cbc)(in,out,len,key,ivec,0); - in += len; - out += len; - } + if (len) { + (*cbc) (in, out, len, key, ivec, 0); + in += len; + out += len; + } - memset(tmp.c,0,sizeof(tmp)); - /* this places in[16] at &tmp.c[16] and decrypted block at &tmp.c[0] */ - (*cbc)(in,tmp.c,16,key,tmp.c+16,0); + memset(tmp.c, 0, sizeof(tmp)); + /* + * this places in[16] at &tmp.c[16] and decrypted block at &tmp.c[0] + */ + (*cbc) (in, tmp.c, 16, key, tmp.c + 16, 0); - memcpy(tmp.c,in+16,residue); + memcpy(tmp.c, in + 16, residue); #if defined(CBC_HANDLES_TRUNCATED_IO) - (*cbc)(tmp.c,out,16+residue,key,ivec,0); + (*cbc) (tmp.c, out, 16 + residue, key, ivec, 0); #else - (*cbc)(tmp.c,tmp.c,32,key,ivec,0); - memcpy(out,tmp.c,16+residue); + (*cbc) (tmp.c, tmp.c, 32, key, ivec, 0); + memcpy(out, tmp.c, 16 + residue); #endif - return 16+len+residue; + return 16 + len + residue; } size_t CRYPTO_nistcts128_decrypt(const unsigned char *in, unsigned char *out, - size_t len, const void *key, - unsigned char ivec[16], cbc128_f cbc) -{ size_t residue; - union { size_t align; unsigned char c[32]; } tmp; + size_t len, const void *key, + unsigned char ivec[16], cbc128_f cbc) +{ + size_t residue; + union { + size_t align; + unsigned char c[32]; + } tmp; - assert (in && out && key && ivec); + assert(in && out && key && ivec); - if (len<16) return 0; + if (len < 16) + return 0; - residue=len%16; + residue = len % 16; - if (residue==0) { - (*cbc)(in,out,len,key,ivec,0); - return len; - } + if (residue == 0) { + (*cbc) (in, out, len, key, ivec, 0); + return len; + } - len -= 16+residue; + len -= 16 + residue; - if (len) { - (*cbc)(in,out,len,key,ivec,0); - in += len; - out += len; - } + if (len) { + (*cbc) (in, out, len, key, ivec, 0); + in += len; + out += len; + } - memset(tmp.c,0,sizeof(tmp)); - /* this places in[16] at &tmp.c[16] and decrypted block at &tmp.c[0] */ - (*cbc)(in+residue,tmp.c,16,key,tmp.c+16,0); + memset(tmp.c, 0, sizeof(tmp)); + /* + * this places in[16] at &tmp.c[16] and decrypted block at &tmp.c[0] + */ + (*cbc) (in + residue, tmp.c, 16, key, tmp.c + 16, 0); - memcpy(tmp.c,in,residue); + memcpy(tmp.c, in, residue); #if defined(CBC_HANDLES_TRUNCATED_IO) - (*cbc)(tmp.c,out,16+residue,key,ivec,0); + (*cbc) (tmp.c, out, 16 + residue, key, ivec, 0); #else - (*cbc)(tmp.c,tmp.c,32,key,ivec,0); - memcpy(out,tmp.c,16+residue); + (*cbc) (tmp.c, tmp.c, 32, key, ivec, 0); + memcpy(out, tmp.c, 16 + residue); #endif - return 16+len+residue; + return 16 + len + residue; } #if defined(SELFTEST) -#include <stdio.h> -#include <openssl/aes.h> +# include <stdio.h> +# include <openssl/aes.h> /* test vectors from RFC 3962 */ static const unsigned char test_key[16] = "chicken teriyaki"; static const unsigned char test_input[64] = - "I would like the" " General Gau's C" - "hicken, please, " "and wonton soup."; -static const unsigned char test_iv[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; + "I would like the" " General Gau's C" + "hicken, please, " "and wonton soup."; +static const unsigned char test_iv[16] = + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; static const unsigned char vector_17[17] = { - 0xc6,0x35,0x35,0x68,0xf2,0xbf,0x8c,0xb4, - 0xd8,0xa5,0x80,0x36,0x2d,0xa7,0xff,0x7f, - 0x97}; + 0xc6, 0x35, 0x35, 0x68, 0xf2, 0xbf, 0x8c, 0xb4, + 0xd8, 0xa5, 0x80, 0x36, 0x2d, 0xa7, 0xff, 0x7f, + 0x97 +}; + static const unsigned char vector_31[31] = { - 0xfc,0x00,0x78,0x3e,0x0e,0xfd,0xb2,0xc1, - 0xd4,0x45,0xd4,0xc8,0xef,0xf7,0xed,0x22, - 0x97,0x68,0x72,0x68,0xd6,0xec,0xcc,0xc0, - 0xc0,0x7b,0x25,0xe2,0x5e,0xcf,0xe5}; + 0xfc, 0x00, 0x78, 0x3e, 0x0e, 0xfd, 0xb2, 0xc1, + 0xd4, 0x45, 0xd4, 0xc8, 0xef, 0xf7, 0xed, 0x22, + 0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0, + 0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5 +}; + static const unsigned char vector_32[32] = { - 0x39,0x31,0x25,0x23,0xa7,0x86,0x62,0xd5, - 0xbe,0x7f,0xcb,0xcc,0x98,0xeb,0xf5,0xa8, - 0x97,0x68,0x72,0x68,0xd6,0xec,0xcc,0xc0, - 0xc0,0x7b,0x25,0xe2,0x5e,0xcf,0xe5,0x84}; + 0x39, 0x31, 0x25, 0x23, 0xa7, 0x86, 0x62, 0xd5, + 0xbe, 0x7f, 0xcb, 0xcc, 0x98, 0xeb, 0xf5, 0xa8, + 0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0, + 0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5, 0x84 +}; + static const unsigned char vector_47[47] = { - 0x97,0x68,0x72,0x68,0xd6,0xec,0xcc,0xc0, - 0xc0,0x7b,0x25,0xe2,0x5e,0xcf,0xe5,0x84, - 0xb3,0xff,0xfd,0x94,0x0c,0x16,0xa1,0x8c, - 0x1b,0x55,0x49,0xd2,0xf8,0x38,0x02,0x9e, - 0x39,0x31,0x25,0x23,0xa7,0x86,0x62,0xd5, - 0xbe,0x7f,0xcb,0xcc,0x98,0xeb,0xf5}; + 0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0, + 0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5, 0x84, + 0xb3, 0xff, 0xfd, 0x94, 0x0c, 0x16, 0xa1, 0x8c, + 0x1b, 0x55, 0x49, 0xd2, 0xf8, 0x38, 0x02, 0x9e, + 0x39, 0x31, 0x25, 0x23, 0xa7, 0x86, 0x62, 0xd5, + 0xbe, 0x7f, 0xcb, 0xcc, 0x98, 0xeb, 0xf5 +}; + static const unsigned char vector_48[48] = { - 0x97,0x68,0x72,0x68,0xd6,0xec,0xcc,0xc0, - 0xc0,0x7b,0x25,0xe2,0x5e,0xcf,0xe5,0x84, - 0x9d,0xad,0x8b,0xbb,0x96,0xc4,0xcd,0xc0, - 0x3b,0xc1,0x03,0xe1,0xa1,0x94,0xbb,0xd8, - 0x39,0x31,0x25,0x23,0xa7,0x86,0x62,0xd5, - 0xbe,0x7f,0xcb,0xcc,0x98,0xeb,0xf5,0xa8}; + 0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0, + 0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5, 0x84, + 0x9d, 0xad, 0x8b, 0xbb, 0x96, 0xc4, 0xcd, 0xc0, + 0x3b, 0xc1, 0x03, 0xe1, 0xa1, 0x94, 0xbb, 0xd8, + 0x39, 0x31, 0x25, 0x23, 0xa7, 0x86, 0x62, 0xd5, + 0xbe, 0x7f, 0xcb, 0xcc, 0x98, 0xeb, 0xf5, 0xa8 +}; + static const unsigned char vector_64[64] = { - 0x97,0x68,0x72,0x68,0xd6,0xec,0xcc,0xc0, - 0xc0,0x7b,0x25,0xe2,0x5e,0xcf,0xe5,0x84, - 0x39,0x31,0x25,0x23,0xa7,0x86,0x62,0xd5, - 0xbe,0x7f,0xcb,0xcc,0x98,0xeb,0xf5,0xa8, - 0x48,0x07,0xef,0xe8,0x36,0xee,0x89,0xa5, - 0x26,0x73,0x0d,0xbc,0x2f,0x7b,0xc8,0x40, - 0x9d,0xad,0x8b,0xbb,0x96,0xc4,0xcd,0xc0, - 0x3b,0xc1,0x03,0xe1,0xa1,0x94,0xbb,0xd8}; + 0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0, + 0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5, 0x84, + 0x39, 0x31, 0x25, 0x23, 0xa7, 0x86, 0x62, 0xd5, + 0xbe, 0x7f, 0xcb, 0xcc, 0x98, 0xeb, 0xf5, 0xa8, + 0x48, 0x07, 0xef, 0xe8, 0x36, 0xee, 0x89, 0xa5, + 0x26, 0x73, 0x0d, 0xbc, 0x2f, 0x7b, 0xc8, 0x40, + 0x9d, 0xad, 0x8b, 0xbb, 0x96, 0xc4, 0xcd, 0xc0, + 0x3b, 0xc1, 0x03, 0xe1, 0xa1, 0x94, 0xbb, 0xd8 +}; static AES_KEY encks, decks; -void test_vector(const unsigned char *vector,size_t len) -{ unsigned char iv[sizeof(test_iv)]; - unsigned char cleartext[64],ciphertext[64]; - size_t tail; - - printf("vector_%d\n",len); fflush(stdout); - - if ((tail=len%16) == 0) tail = 16; - tail += 16; - - /* test block-based encryption */ - memcpy(iv,test_iv,sizeof(test_iv)); - CRYPTO_cts128_encrypt_block(test_input,ciphertext,len,&encks,iv,(block128_f)AES_encrypt); - if (memcmp(ciphertext,vector,len)) - fprintf(stderr,"output_%d mismatch\n",len), exit(1); - if (memcmp(iv,vector+len-tail,sizeof(iv))) - fprintf(stderr,"iv_%d mismatch\n",len), exit(1); - - /* test block-based decryption */ - memcpy(iv,test_iv,sizeof(test_iv)); - CRYPTO_cts128_decrypt_block(ciphertext,cleartext,len,&decks,iv,(block128_f)AES_decrypt); - if (memcmp(cleartext,test_input,len)) - fprintf(stderr,"input_%d mismatch\n",len), exit(2); - if (memcmp(iv,vector+len-tail,sizeof(iv))) - fprintf(stderr,"iv_%d mismatch\n",len), exit(2); - - /* test streamed encryption */ - memcpy(iv,test_iv,sizeof(test_iv)); - CRYPTO_cts128_encrypt(test_input,ciphertext,len,&encks,iv,(cbc128_f)AES_cbc_encrypt); - if (memcmp(ciphertext,vector,len)) - fprintf(stderr,"output_%d mismatch\n",len), exit(3); - if (memcmp(iv,vector+len-tail,sizeof(iv))) - fprintf(stderr,"iv_%d mismatch\n",len), exit(3); - - /* test streamed decryption */ - memcpy(iv,test_iv,sizeof(test_iv)); - CRYPTO_cts128_decrypt(ciphertext,cleartext,len,&decks,iv,(cbc128_f)AES_cbc_encrypt); - if (memcmp(cleartext,test_input,len)) - fprintf(stderr,"input_%d mismatch\n",len), exit(4); - if (memcmp(iv,vector+len-tail,sizeof(iv))) - fprintf(stderr,"iv_%d mismatch\n",len), exit(4); +void test_vector(const unsigned char *vector, size_t len) +{ + unsigned char iv[sizeof(test_iv)]; + unsigned char cleartext[64], ciphertext[64]; + size_t tail; + + printf("vector_%d\n", len); + fflush(stdout); + + if ((tail = len % 16) == 0) + tail = 16; + tail += 16; + + /* test block-based encryption */ + memcpy(iv, test_iv, sizeof(test_iv)); + CRYPTO_cts128_encrypt_block(test_input, ciphertext, len, &encks, iv, + (block128_f) AES_encrypt); + if (memcmp(ciphertext, vector, len)) + fprintf(stderr, "output_%d mismatch\n", len), exit(1); + if (memcmp(iv, vector + len - tail, sizeof(iv))) + fprintf(stderr, "iv_%d mismatch\n", len), exit(1); + + /* test block-based decryption */ + memcpy(iv, test_iv, sizeof(test_iv)); + CRYPTO_cts128_decrypt_block(ciphertext, cleartext, len, &decks, iv, + (block128_f) AES_decrypt); + if (memcmp(cleartext, test_input, len)) + fprintf(stderr, "input_%d mismatch\n", len), exit(2); + if (memcmp(iv, vector + len - tail, sizeof(iv))) + fprintf(stderr, "iv_%d mismatch\n", len), exit(2); + + /* test streamed encryption */ + memcpy(iv, test_iv, sizeof(test_iv)); + CRYPTO_cts128_encrypt(test_input, ciphertext, len, &encks, iv, + (cbc128_f) AES_cbc_encrypt); + if (memcmp(ciphertext, vector, len)) + fprintf(stderr, "output_%d mismatch\n", len), exit(3); + if (memcmp(iv, vector + len - tail, sizeof(iv))) + fprintf(stderr, "iv_%d mismatch\n", len), exit(3); + + /* test streamed decryption */ + memcpy(iv, test_iv, sizeof(test_iv)); + CRYPTO_cts128_decrypt(ciphertext, cleartext, len, &decks, iv, + (cbc128_f) AES_cbc_encrypt); + if (memcmp(cleartext, test_input, len)) + fprintf(stderr, "input_%d mismatch\n", len), exit(4); + if (memcmp(iv, vector + len - tail, sizeof(iv))) + fprintf(stderr, "iv_%d mismatch\n", len), exit(4); } -void test_nistvector(const unsigned char *vector,size_t len) -{ unsigned char iv[sizeof(test_iv)]; - unsigned char cleartext[64],ciphertext[64],nistvector[64]; - size_t tail; - - printf("nistvector_%d\n",len); fflush(stdout); - - if ((tail=len%16) == 0) tail = 16; - - len -= 16 + tail; - memcpy(nistvector,vector,len); - /* flip two last blocks */ - memcpy(nistvector+len,vector+len+16,tail); - memcpy(nistvector+len+tail,vector+len,16); - len += 16 + tail; - tail = 16; - - /* test block-based encryption */ - memcpy(iv,test_iv,sizeof(test_iv)); - CRYPTO_nistcts128_encrypt_block(test_input,ciphertext,len,&encks,iv,(block128_f)AES_encrypt); - if (memcmp(ciphertext,nistvector,len)) - fprintf(stderr,"output_%d mismatch\n",len), exit(1); - if (memcmp(iv,nistvector+len-tail,sizeof(iv))) - fprintf(stderr,"iv_%d mismatch\n",len), exit(1); - - /* test block-based decryption */ - memcpy(iv,test_iv,sizeof(test_iv)); - CRYPTO_nistcts128_decrypt_block(ciphertext,cleartext,len,&decks,iv,(block128_f)AES_decrypt); - if (memcmp(cleartext,test_input,len)) - fprintf(stderr,"input_%d mismatch\n",len), exit(2); - if (memcmp(iv,nistvector+len-tail,sizeof(iv))) - fprintf(stderr,"iv_%d mismatch\n",len), exit(2); - - /* test streamed encryption */ - memcpy(iv,test_iv,sizeof(test_iv)); - CRYPTO_nistcts128_encrypt(test_input,ciphertext,len,&encks,iv,(cbc128_f)AES_cbc_encrypt); - if (memcmp(ciphertext,nistvector,len)) - fprintf(stderr,"output_%d mismatch\n",len), exit(3); - if (memcmp(iv,nistvector+len-tail,sizeof(iv))) - fprintf(stderr,"iv_%d mismatch\n",len), exit(3); - - /* test streamed decryption */ - memcpy(iv,test_iv,sizeof(test_iv)); - CRYPTO_nistcts128_decrypt(ciphertext,cleartext,len,&decks,iv,(cbc128_f)AES_cbc_encrypt); - if (memcmp(cleartext,test_input,len)) - fprintf(stderr,"input_%d mismatch\n",len), exit(4); - if (memcmp(iv,nistvector+len-tail,sizeof(iv))) - fprintf(stderr,"iv_%d mismatch\n",len), exit(4); +void test_nistvector(const unsigned char *vector, size_t len) +{ + unsigned char iv[sizeof(test_iv)]; + unsigned char cleartext[64], ciphertext[64], nistvector[64]; + size_t tail; + + printf("nistvector_%d\n", len); + fflush(stdout); + + if ((tail = len % 16) == 0) + tail = 16; + + len -= 16 + tail; + memcpy(nistvector, vector, len); + /* flip two last blocks */ + memcpy(nistvector + len, vector + len + 16, tail); + memcpy(nistvector + len + tail, vector + len, 16); + len += 16 + tail; + tail = 16; + + /* test block-based encryption */ + memcpy(iv, test_iv, sizeof(test_iv)); + CRYPTO_nistcts128_encrypt_block(test_input, ciphertext, len, &encks, iv, + (block128_f) AES_encrypt); + if (memcmp(ciphertext, nistvector, len)) + fprintf(stderr, "output_%d mismatch\n", len), exit(1); + if (memcmp(iv, nistvector + len - tail, sizeof(iv))) + fprintf(stderr, "iv_%d mismatch\n", len), exit(1); + + /* test block-based decryption */ + memcpy(iv, test_iv, sizeof(test_iv)); + CRYPTO_nistcts128_decrypt_block(ciphertext, cleartext, len, &decks, iv, + (block128_f) AES_decrypt); + if (memcmp(cleartext, test_input, len)) + fprintf(stderr, "input_%d mismatch\n", len), exit(2); + if (memcmp(iv, nistvector + len - tail, sizeof(iv))) + fprintf(stderr, "iv_%d mismatch\n", len), exit(2); + + /* test streamed encryption */ + memcpy(iv, test_iv, sizeof(test_iv)); + CRYPTO_nistcts128_encrypt(test_input, ciphertext, len, &encks, iv, + (cbc128_f) AES_cbc_encrypt); + if (memcmp(ciphertext, nistvector, len)) + fprintf(stderr, "output_%d mismatch\n", len), exit(3); + if (memcmp(iv, nistvector + len - tail, sizeof(iv))) + fprintf(stderr, "iv_%d mismatch\n", len), exit(3); + + /* test streamed decryption */ + memcpy(iv, test_iv, sizeof(test_iv)); + CRYPTO_nistcts128_decrypt(ciphertext, cleartext, len, &decks, iv, + (cbc128_f) AES_cbc_encrypt); + if (memcmp(cleartext, test_input, len)) + fprintf(stderr, "input_%d mismatch\n", len), exit(4); + if (memcmp(iv, nistvector + len - tail, sizeof(iv))) + fprintf(stderr, "iv_%d mismatch\n", len), exit(4); } int main() { - AES_set_encrypt_key(test_key,128,&encks); - AES_set_decrypt_key(test_key,128,&decks); - - test_vector(vector_17,sizeof(vector_17)); - test_vector(vector_31,sizeof(vector_31)); - test_vector(vector_32,sizeof(vector_32)); - test_vector(vector_47,sizeof(vector_47)); - test_vector(vector_48,sizeof(vector_48)); - test_vector(vector_64,sizeof(vector_64)); - - test_nistvector(vector_17,sizeof(vector_17)); - test_nistvector(vector_31,sizeof(vector_31)); - test_nistvector(vector_32,sizeof(vector_32)); - test_nistvector(vector_47,sizeof(vector_47)); - test_nistvector(vector_48,sizeof(vector_48)); - test_nistvector(vector_64,sizeof(vector_64)); - - return 0; + AES_set_encrypt_key(test_key, 128, &encks); + AES_set_decrypt_key(test_key, 128, &decks); + + test_vector(vector_17, sizeof(vector_17)); + test_vector(vector_31, sizeof(vector_31)); + test_vector(vector_32, sizeof(vector_32)); + test_vector(vector_47, sizeof(vector_47)); + test_vector(vector_48, sizeof(vector_48)); + test_vector(vector_64, sizeof(vector_64)); + + test_nistvector(vector_17, sizeof(vector_17)); + test_nistvector(vector_31, sizeof(vector_31)); + test_nistvector(vector_32, sizeof(vector_32)); + test_nistvector(vector_47, sizeof(vector_47)); + test_nistvector(vector_48, sizeof(vector_48)); + test_nistvector(vector_64, sizeof(vector_64)); + + return 0; } #endif |