Add HMAC support to RIPEMD-160
This commit is contained in:
Manuel Pégourié-Gonnard
parent
1744d72902
commit
ff40c3ac34
4 changed files with 268 additions and 17 deletions
183
library/rmd160.c
183
library/rmd160.c
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@ -312,7 +312,7 @@ static const unsigned char rmd160_padding[64] =
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/*
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* RMD160 final digest
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*/
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void rmd160_finish( rmd160_context *ctx, unsigned char output[16] )
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void rmd160_finish( rmd160_context *ctx, unsigned char output[20] )
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{
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uint32_t last, padn;
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uint32_t high, low;
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@ -341,7 +341,7 @@ void rmd160_finish( rmd160_context *ctx, unsigned char output[16] )
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/*
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* output = RMD160( input buffer )
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*/
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void rmd160( const unsigned char *input, size_t ilen, unsigned char output[16] )
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void rmd160( const unsigned char *input, size_t ilen, unsigned char output[20] )
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{
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rmd160_context ctx;
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@ -356,7 +356,7 @@ void rmd160( const unsigned char *input, size_t ilen, unsigned char output[16] )
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/*
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* output = RMD160( file contents )
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*/
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int rmd160_file( const char *path, unsigned char output[16] )
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int rmd160_file( const char *path, unsigned char output[20] )
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{
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FILE *f;
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size_t n;
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@ -386,12 +386,97 @@ int rmd160_file( const char *path, unsigned char output[16] )
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}
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#endif /* POLARSSL_FS_IO */
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/*
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* RMD160 HMAC context setup
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*/
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void rmd160_hmac_starts( rmd160_context *ctx,
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const unsigned char *key, size_t keylen )
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{
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size_t i;
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unsigned char sum[20];
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if( keylen > 64 )
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{
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rmd160( key, keylen, sum );
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keylen = 20;
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key = sum;
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}
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memset( ctx->ipad, 0x36, 64 );
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memset( ctx->opad, 0x5C, 64 );
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for( i = 0; i < keylen; i++ )
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{
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ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] );
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ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] );
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}
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rmd160_starts( ctx );
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rmd160_update( ctx, ctx->ipad, 64 );
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memset( sum, 0, sizeof( sum ) );
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}
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/*
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* RMD160 HMAC process buffer
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*/
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void rmd160_hmac_update( rmd160_context *ctx,
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const unsigned char *input, size_t ilen )
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{
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rmd160_update( ctx, input, ilen );
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}
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/*
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* RMD160 HMAC final digest
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*/
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void rmd160_hmac_finish( rmd160_context *ctx, unsigned char output[20] )
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{
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unsigned char tmpbuf[20];
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rmd160_finish( ctx, tmpbuf );
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rmd160_starts( ctx );
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rmd160_update( ctx, ctx->opad, 64 );
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rmd160_update( ctx, tmpbuf, 20 );
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rmd160_finish( ctx, output );
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memset( tmpbuf, 0, sizeof( tmpbuf ) );
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}
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/*
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* RMD160 HMAC context reset
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*/
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void rmd160_hmac_reset( rmd160_context *ctx )
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{
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rmd160_starts( ctx );
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rmd160_update( ctx, ctx->ipad, 64 );
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}
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/*
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* output = HMAC-RMD160( hmac key, input buffer )
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*/
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void rmd160_hmac( const unsigned char *key, size_t keylen,
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const unsigned char *input, size_t ilen,
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unsigned char output[20] )
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{
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rmd160_context ctx;
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rmd160_hmac_starts( &ctx, key, keylen );
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rmd160_hmac_update( &ctx, input, ilen );
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rmd160_hmac_finish( &ctx, output );
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memset( &ctx, 0, sizeof( rmd160_context ) );
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}
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#if defined(POLARSSL_SELF_TEST)
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/*
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* Test vectors from the RIPEMD-160 paper
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* Test vectors from the RIPEMD-160 paper and
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* http://homes.esat.kuleuven.be/~bosselae/ripemd160.html#HMAC
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*/
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#define MD_TESTS 8
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static const char *rmd160_test_input[MD_TESTS] =
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#define TESTS 8
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#define KEYS 2
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static const char *rmd160_test_input[TESTS] =
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{
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"",
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"a",
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@ -404,7 +489,7 @@ static const char *rmd160_test_input[MD_TESTS] =
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"1234567890123456789012345678901234567890",
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};
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static const unsigned char rmd160_test_output[MD_TESTS][20] =
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static const unsigned char rmd160_test_md[TESTS][20] =
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{
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{ 0x9c, 0x11, 0x85, 0xa5, 0xc5, 0xe9, 0xfc, 0x54, 0x61, 0x28,
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0x08, 0x97, 0x7e, 0xe8, 0xf5, 0x48, 0xb2, 0x25, 0x8d, 0x31 },
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@ -424,26 +509,74 @@ static const unsigned char rmd160_test_output[MD_TESTS][20] =
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0xd3, 0x32, 0x3c, 0xab, 0x82, 0xbf, 0x63, 0x32, 0x6b, 0xfb },
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};
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static const unsigned char rmd160_test_hmac[KEYS][TESTS][20] =
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{
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{
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{ 0xcf, 0x38, 0x76, 0x77, 0xbf, 0xda, 0x84, 0x83, 0xe6, 0x3b,
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0x57, 0xe0, 0x6c, 0x3b, 0x5e, 0xcd, 0x8b, 0x7f, 0xc0, 0x55 },
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{ 0x0d, 0x35, 0x1d, 0x71, 0xb7, 0x8e, 0x36, 0xdb, 0xb7, 0x39,
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0x1c, 0x81, 0x0a, 0x0d, 0x2b, 0x62, 0x40, 0xdd, 0xba, 0xfc },
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{ 0xf7, 0xef, 0x28, 0x8c, 0xb1, 0xbb, 0xcc, 0x61, 0x60, 0xd7,
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0x65, 0x07, 0xe0, 0xa3, 0xbb, 0xf7, 0x12, 0xfb, 0x67, 0xd6 },
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{ 0xf8, 0x36, 0x62, 0xcc, 0x8d, 0x33, 0x9c, 0x22, 0x7e, 0x60,
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0x0f, 0xcd, 0x63, 0x6c, 0x57, 0xd2, 0x57, 0x1b, 0x1c, 0x34 },
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{ 0x84, 0x3d, 0x1c, 0x4e, 0xb8, 0x80, 0xac, 0x8a, 0xc0, 0xc9,
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0xc9, 0x56, 0x96, 0x50, 0x79, 0x57, 0xd0, 0x15, 0x5d, 0xdb },
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{ 0x60, 0xf5, 0xef, 0x19, 0x8a, 0x2d, 0xd5, 0x74, 0x55, 0x45,
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0xc1, 0xf0, 0xc4, 0x7a, 0xa3, 0xfb, 0x57, 0x76, 0xf8, 0x81 },
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{ 0xe4, 0x9c, 0x13, 0x6a, 0x9e, 0x56, 0x27, 0xe0, 0x68, 0x1b,
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0x80, 0x8a, 0x3b, 0x97, 0xe6, 0xa6, 0xe6, 0x61, 0xae, 0x79 },
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{ 0x31, 0xbe, 0x3c, 0xc9, 0x8c, 0xee, 0x37, 0xb7, 0x9b, 0x06,
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0x19, 0xe3, 0xe1, 0xc2, 0xbe, 0x4f, 0x1a, 0xa5, 0x6e, 0x6c },
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},
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{
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{ 0xfe, 0x69, 0xa6, 0x6c, 0x74, 0x23, 0xee, 0xa9, 0xc8, 0xfa,
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0x2e, 0xff, 0x8d, 0x9d, 0xaf, 0xb4, 0xf1, 0x7a, 0x62, 0xf5 },
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{ 0x85, 0x74, 0x3e, 0x89, 0x9b, 0xc8, 0x2d, 0xbf, 0xa3, 0x6f,
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0xaa, 0xa7, 0xa2, 0x5b, 0x7c, 0xfd, 0x37, 0x24, 0x32, 0xcd },
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{ 0x6e, 0x4a, 0xfd, 0x50, 0x1f, 0xa6, 0xb4, 0xa1, 0x82, 0x3c,
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0xa3, 0xb1, 0x0b, 0xd9, 0xaa, 0x0b, 0xa9, 0x7b, 0xa1, 0x82 },
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{ 0x2e, 0x06, 0x6e, 0x62, 0x4b, 0xad, 0xb7, 0x6a, 0x18, 0x4c,
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0x8f, 0x90, 0xfb, 0xa0, 0x53, 0x33, 0x0e, 0x65, 0x0e, 0x92 },
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{ 0x07, 0xe9, 0x42, 0xaa, 0x4e, 0x3c, 0xd7, 0xc0, 0x4d, 0xed,
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0xc1, 0xd4, 0x6e, 0x2e, 0x8c, 0xc4, 0xc7, 0x41, 0xb3, 0xd9 },
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{ 0xb6, 0x58, 0x23, 0x18, 0xdd, 0xcf, 0xb6, 0x7a, 0x53, 0xa6,
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0x7d, 0x67, 0x6b, 0x8a, 0xd8, 0x69, 0xad, 0xed, 0x62, 0x9a },
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{ 0xf1, 0xbe, 0x3e, 0xe8, 0x77, 0x70, 0x31, 0x40, 0xd3, 0x4f,
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0x97, 0xea, 0x1a, 0xb3, 0xa0, 0x7c, 0x14, 0x13, 0x33, 0xe2 },
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{ 0x85, 0xf1, 0x64, 0x70, 0x3e, 0x61, 0xa6, 0x31, 0x31, 0xbe,
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0x7e, 0x45, 0x95, 0x8e, 0x07, 0x94, 0x12, 0x39, 0x04, 0xf9 },
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},
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};
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static const unsigned char rmd160_test_key[KEYS][20] =
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{
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{ 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99,
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0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0x01, 0x23, 0x45, 0x67 },
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{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc,
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0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x00, 0x11, 0x22, 0x33 },
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};
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/*
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* Checkup routine
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*/
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int rmd160_self_test( int verbose )
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{
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int i;
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int i, j;
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unsigned char output[20];
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memset( output, 0, sizeof output );
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for( i = 0; i < MD_TESTS; i++ )
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for( i = 0; i < TESTS; i++ )
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{
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if( verbose != 0 )
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printf( " RMD160 test #%d: ", i + 1 );
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rmd160( (const unsigned char *)rmd160_test_input[i],
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rmd160( (const unsigned char *) rmd160_test_input[i],
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strlen( rmd160_test_input[i] ),
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output );
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if( memcmp( output, rmd160_test_output[i], 20 ) != 0 )
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if( memcmp( output, rmd160_test_md[i], 20 ) != 0 )
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{
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if( verbose != 0 )
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printf( "failed\n" );
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@ -453,10 +586,32 @@ int rmd160_self_test( int verbose )
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if( verbose != 0 )
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printf( "passed\n" );
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}
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if( verbose != 0 )
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printf( "\n" );
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for( j = 0; j < KEYS; j++ )
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{
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if( verbose != 0 )
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printf( " HMAC-RMD160 test #%d, key #%d: ", i + 1, j + 1 );
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rmd160_hmac( rmd160_test_key[j], 20,
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(const unsigned char *) rmd160_test_input[i],
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strlen( rmd160_test_input[i] ),
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output );
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if( memcmp( output, rmd160_test_hmac[j][i], 20 ) != 0 )
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{
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if( verbose != 0 )
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printf( "failed\n" );
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return( 1 );
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}
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if( verbose != 0 )
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printf( "passed\n" );
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}
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if( verbose != 0 )
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printf( "\n" );
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}
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return( 0 );
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}
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