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himmu7
himmu7
Last Activity: May 17 '10, 05:21 AM
Joined: May 13 '10
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  • himmu7
    replied to Exponentation?
    in C
    hiii. n value is 1024 bits long....
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  • himmu7
    replied to Exponentation?
    in C
    thank u so much for ur explanation. i forgot to tell the details of base value.
    The base value is of 15 bytes length. i have to encrypt 15 bytes length of data....
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  • himmu7
    replied to Calculating Large Exponents
    Thank U so much for ur explanations
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  • himmu7
    replied to Exponentation?
    in C
    i should store this 64 bytes in an array.actually my requirement is RSA encryption. in that for encrypting data C=m^e mod n. this is the formula for that.
    now 'm' is the plain text to be encrypted and n is 512 bit modulus value.e is 64 byte Encryption exponent value. so how should i deal this?...
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  • himmu7
    replied to Exponentation?
    in C
    so now how should i handle?...
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  • himmu7
    replied to Exponentation?
    in C
    and dis exponentiation is for RSA algorithm whose modulus value should be 512 bits.
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  • himmu7
    replied to Exponentation?
    in C
    i just want the result in 64 bytes...
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  • himmu7
    replied to Exponentation?
    in C
    There is nothing worry about precession....
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  • himmu7
    replied to Exponentation?
    in C
    ya wat u said is right. but my problem is , in my application i do have value of 15 byte value.(i.e the total no. is 15 byte value) and even exponent value is 64 byte value.so now how to perform calculation for that. have to divide into bytes and calculate or any other method is there?...
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  • himmu7
    started a topic Exponentation?
    in C

    Exponentation?

    Could anybody suggest me how to write a code in C for calculating 15 bytes of base value powered to 64 bytes of exponent value?
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