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23 lines
418 B
C
23 lines
418 B
C
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// Support 64-bit word operations on 32-bit platforms
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static int BN_add_word64(BIGNUM *a, uint64 w)
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{
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CBigNum bn(w);
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return BN_add(a, &bn, a);
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}
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static int BN_mul_word64(BIGNUM *a, uint64 w)
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{
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CBigNum bn(w);
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CAutoBN_CTX ctx;
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return BN_mul(a, &bn, a, ctx);
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}
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static uint64 BN_div_word64(BIGNUM *a, uint64 w)
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{
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CBigNum bn(w);
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CAutoBN_CTX ctx;
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return (BN_div(a, NULL, a, &bn, ctx) == 1) ? 0 : ((uint64)-1);
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}
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