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test

release/v0.1
jl777 9 years ago
parent
a18f630481
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82ee37522e
2 changed files with 87 additions and 87 deletions
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  1. 172
      iguana/iguana_secp.c
  2. 2
      iguana/mini-gmp.c

172
iguana/iguana_secp.c
View File

@ -23,92 +23,6 @@
static const char base58_chars[] = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
void bn_mpi2bn(BIGNUM *vo,uint8_t *data,int32_t datalen)
{
uint8_t vch2[64 + 4]; uint32_t i,vch2_len = (int32_t)datalen + 4;
if ( datalen < sizeof(vch2) )
{
vch2[0] = (datalen >> 24) & 0xff;
vch2[1] = (datalen >> 16) & 0xff;
vch2[2] = (datalen >> 8) & 0xff;
vch2[3] = (datalen >> 0) & 0xff;
for (i=0; i<datalen; i++)
vch2[4 + datalen - i - 1] = data[i];
BN_mpi2bn(vch2,vch2_len,vo);
}
}
int32_t bn_bn2mpi(uint8_t *data,const BIGNUM *v)
{
uint8_t s_be[64]; int32_t i,sz = BN_bn2mpi(v,NULL);
if ( sz >= 4 && sz < sizeof(s_be) ) // get MPI format size
{
BN_bn2mpi(v,s_be);
// copy-swap MPI to little endian, sans 32-bit size prefix
sz -= 4;
for (i=0; i<sz; i++)
data[sz - i - 1] = s_be[i + 4];
}
return(sz);
}
int32_t bitcoin_base58decode(uint8_t *data,char *coinaddr)
{
int32_t bitcoin_base58decode_mpz(uint8_t *data,char *coinaddr);
uint32_t zeroes,be_sz=0,i,len; const char *p,*p1; BIGNUM bn58,bn,bnChar; uint8_t revdata[64]; BN_CTX *ctx;
ctx = BN_CTX_new();
BN_init(&bn58), BN_init(&bn), BN_init(&bnChar);
BN_set_word(&bn58,58), BN_set_word(&bn,0);
while ( isspace((uint32_t)(*coinaddr & 0xff)) )
coinaddr++;
for (p=coinaddr; *p; p++)
{
p1 = strchr(base58_chars,*p);
if ( p1 == 0 )
{
while (isspace((uint32_t)*p))
p++;
if ( *p != '\0' )
goto out;
break;
}
BN_set_word(&bnChar,(int32_t)(p1 - base58_chars));
if ( BN_mul(&bn,&bn,&bn58,ctx) == 0 || BN_add(&bn,&bn,&bnChar) == 0 )
goto out;
}
len = bn_bn2mpi(revdata,&bn);
if ( len >= 2 && revdata[len - 1] == 0 && revdata[len - 2] >= 0x80 )
len--;
zeroes = 0;
for (p=coinaddr; *p==base58_chars[0]; p++)
zeroes++;
be_sz = (uint32_t)len + (uint32_t)zeroes;
memset(data,0,be_sz);
for (i=0; i<len; i++)
data[i+zeroes] = revdata[len - 1 - i];
//printf("len.%d be_sz.%d zeroes.%d data[0] %02x\n",len,be_sz,zeroes,data[0]);
out:
BN_clear_free(&bn58), BN_clear_free(&bn), BN_clear_free(&bnChar);
BN_CTX_free(ctx);
{
int32_t checkval; uint8_t data2[256];
if ( (checkval= bitcoin_base58decode_mpz(data2,coinaddr)) != be_sz )
printf("base58 decode error checkval.%d != be_sz.%d\n",checkval,be_sz);
else if ( memcmp(data2,data,be_sz) != 0 )
{
for (i=0; i<be_sz; i++)
printf("%02x",data[i]);
printf(" data[%d]\n",be_sz);
for (i=0; i<be_sz; i++)
printf("%02x",data2[i]);
printf(" data\n");
printf("base58 decode data error\n");
}
else printf("base58 decode match\n");
}
return(be_sz);
}
bits256 bitcoin_pubkey33(secp256k1_context *ctx,uint8_t *data,bits256 privkey)
{
int32_t flag=0; size_t plen; bits256 pubkey; secp256k1_pubkey secppub;
@ -325,6 +239,92 @@ bits256 oldbitcoin_pubkey33(void *_ctx,uint8_t *data,bits256 privkey)
return(pubkey);
}
void bn_mpi2bn(BIGNUM *vo,uint8_t *data,int32_t datalen)
{
uint8_t vch2[64 + 4]; uint32_t i,vch2_len = (int32_t)datalen + 4;
if ( datalen < sizeof(vch2) )
{
vch2[0] = (datalen >> 24) & 0xff;
vch2[1] = (datalen >> 16) & 0xff;
vch2[2] = (datalen >> 8) & 0xff;
vch2[3] = (datalen >> 0) & 0xff;
for (i=0; i<datalen; i++)
vch2[4 + datalen - i - 1] = data[i];
BN_mpi2bn(vch2,vch2_len,vo);
}
}
int32_t bn_bn2mpi(uint8_t *data,const BIGNUM *v)
{
uint8_t s_be[64]; int32_t i,sz = BN_bn2mpi(v,NULL);
if ( sz >= 4 && sz < sizeof(s_be) ) // get MPI format size
{
BN_bn2mpi(v,s_be);
// copy-swap MPI to little endian, sans 32-bit size prefix
sz -= 4;
for (i=0; i<sz; i++)
data[sz - i - 1] = s_be[i + 4];
}
return(sz);
}
int32_t oldbitcoin_base58decode(uint8_t *data,char *coinaddr)
{
int32_t bitcoin_base58decode_mpz(uint8_t *data,char *coinaddr);
uint32_t zeroes,be_sz=0,i,len; const char *p,*p1; BIGNUM bn58,bn,bnChar; uint8_t revdata[64]; BN_CTX *ctx;
ctx = BN_CTX_new();
BN_init(&bn58), BN_init(&bn), BN_init(&bnChar);
BN_set_word(&bn58,58), BN_set_word(&bn,0);
while ( isspace((uint32_t)(*coinaddr & 0xff)) )
coinaddr++;
for (p=coinaddr; *p; p++)
{
p1 = strchr(base58_chars,*p);
if ( p1 == 0 )
{
while (isspace((uint32_t)*p))
p++;
if ( *p != '\0' )
goto out;
break;
}
BN_set_word(&bnChar,(int32_t)(p1 - base58_chars));
if ( BN_mul(&bn,&bn,&bn58,ctx) == 0 || BN_add(&bn,&bn,&bnChar) == 0 )
goto out;
}
len = bn_bn2mpi(revdata,&bn);
if ( len >= 2 && revdata[len - 1] == 0 && revdata[len - 2] >= 0x80 )
len--;
zeroes = 0;
for (p=coinaddr; *p==base58_chars[0]; p++)
zeroes++;
be_sz = (uint32_t)len + (uint32_t)zeroes;
memset(data,0,be_sz);
for (i=0; i<len; i++)
data[i+zeroes] = revdata[len - 1 - i];
//printf("len.%d be_sz.%d zeroes.%d data[0] %02x\n",len,be_sz,zeroes,data[0]);
out:
BN_clear_free(&bn58), BN_clear_free(&bn), BN_clear_free(&bnChar);
BN_CTX_free(ctx);
{
int32_t checkval; uint8_t data2[256];
if ( (checkval= bitcoin_base58decode_mpz(data2,coinaddr)) != be_sz )
printf("base58 decode error checkval.%d != be_sz.%d\n",checkval,be_sz);
else if ( memcmp(data2,data,be_sz) != 0 )
{
for (i=0; i<be_sz; i++)
printf("%02x",data[i]);
printf(" data[%d]\n",be_sz);
for (i=0; i<be_sz; i++)
printf("%02x",data2[i]);
printf(" data\n");
printf("base58 decode data error\n");
}
else printf("base58 decode match\n");
}
return(be_sz);
}
char *oldbitcoin_base58encode(char *coinaddr,uint8_t *data_,int32_t datalen)
{
BIGNUM bn58,bn0,bn,dv,rem; BN_CTX *ctx; uint32_t i,n,flag=0; uint8_t swapbuf[512],rs[512];

2
iguana/mini-gmp.c
View File

@ -4387,7 +4387,7 @@ char *bitcoin_base58encode(char *coinaddr,uint8_t *data,int32_t datalen)
return(coinaddr);
}
int32_t bitcoin_base58decode_mpz(uint8_t *data,char *coinaddr)
int32_t bitcoin_base58decode(uint8_t *data,char *coinaddr)
{
uint32_t zeroes,be_sz=0; size_t count; const char *p,*p1; mpz_t bn58,bn;
mpz_init_set_ui(bn58,58);

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