Cryptography: Difference between revisions
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(Created page with '== Generate RSA Keys == Under Linux, Install package '''racoon'''. Then you can use '''plainrsa-gen''' to generate a RSA key pair: <source lang="bash" enclose="prevalid"> $ sudo …') |
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} |
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</pre> |
</pre> |
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Another solution is to use <code>openssl</code>: |
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<source lang="bash"> |
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#! /bin/bash |
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# |
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# Script to generate a batch of RSA keys of various length |
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# |
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function gen-one-key() |
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{ |
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openssl genrsa $1 | openssl pkcs8 -topk8 -nocrypt -outform DER -out "$2-pk8.der" |
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openssl asn1parse -inform DER -in "$2-pk8.der" > "$2-pk8.txt" |
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echo -e "\n############### Content of RSA Private Key object ###############\n" >> "$2-pk8.txt" |
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openssl pkcs8 -inform DER -in "$2-pk8.der" -nocrypt | openssl asn1parse >> "$2-pk8.txt" |
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} |
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for keylength in 1024 1536 1664 1792 1920 2048 2304 2560 2816 3072 3328 3584 3840 4096; do |
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for keyidx in $(seq 1 10); do |
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keyname="rsakey-${keylength}b-$(printf '%02d' $keyidx)" |
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echo "########## gen-one-key $keylength \"$keyname\"" |
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gen-one-key $keylength "$keyname" |
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done |
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done |
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</source> |
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This script will generate keys of different lengths. |
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Revision as of 13:59, 1 July 2010
Generate RSA Keys
Under Linux, Install package racoon. Then you can use plainrsa-gen to generate a RSA key pair:
$ sudo plainrsa-gen -b 2048 -e 3
# : PUB 0sAQOTQ2zIwqxqjy4LRTwXEHB/WdxMrrcldKBAut3siLnuQMCDFGkwSfOc9v+77ibPDqtJQj0C8nys7+W1gI3o6yht+SjG+m16hZwvwl0Mt81E11Tca6k6py1wNmntxvePtotG3uk6MhqpluJAUeOxIL6YcHLcsgBi19gwHiU1YBFF2Q==
: RSA {
# RSA 1024 bits
# pubkey=0sAQOTQ2zIwqxqjy4LRTwXEHB/WdxMrrcldKBAut3siLnuQMCDFGkwSfOc9v+77ibPDqtJQj0C8nys7+W1gI3o6yht+SjG+m16hZwvwl0Mt81E11Tca6k6py1wNmntxvePtotG3uk6MhqpluJAUeOxIL6YcHLcsgBi19gwHiU1YBFF2Q==
Modulus: 0x93436cc8c2ac6a8f2e0b453c1710707f59dc4caeb72574a040baddec88b9ee40c08314693049f39cf6ffbbee26cf0eab49423d02f27cacefe5b5808de8eb286df928c6fa6d7a859c2fc25d0cb7cd44d754dc6ba93aa72d703669edc6f78fb68b46dee93a321aa996e24051e3b120be987072dcb20062d7d8301e2535601145d9
PublicExponent: 0x03
PrivateExponent: 0x622cf33081c8470a1eb22e280f604aff913d88747a18f86ad5d1e9485b269ed5d5acb84620314d134f5527f419df5f1cdb817e01f6fdc89fee79005e9b4770484de1f0c003dcbeac2290f28f5594022ec0ca86fd0618ec77d0db3f24e0ddd9339a77b1126f3256d9405ce86bcd456f4db2ef0c019a763abee74eb29cb161568b
Prime1: 0xc37626fcd807b365f62e70d07ad1c2383f0a987f373eca93bbd723bd6676062263fef48a1c99efbb4e2d64d82fecc1756ea3845db786746d9145f5c267931f5d
Prime2: 0xc0dfb6dd8fa7b43405ba80653c9d7f58f4a208ae7a430028c149eb523fccea9b7b2c6b146eb53795b3879069cd4bd62e7568c651e12b0b4c43e22387ee6c24ad
Exponent1: 0x824ec4a890052243f9744b35a736817ad4b1baff7a29dc627d3a17d399a40416ed54a306bdbbf527897398901ff32ba39f17ad93cfaef8490b83f92c450cbf93
Exponent2: 0x80952493b51a7822ae7c5598d313aa3b4dc15b1efc2caac5d631478c2a889c67a772f20d9f237a63cd050af13387e41ef8f08436961cb232d7ec17aff4481873
Coefficient: 0x80c5560ddad756e413c19fb39c83370dfa3ca5881ebb0b0a5098fbd81b007e20c7b7a104b0aada943d2f5ae64409a9e3b677e10d5c20f414959a621852424b19
}
Another solution is to use openssl:
#! /bin/bash
#
# Script to generate a batch of RSA keys of various length
#
function gen-one-key()
{
openssl genrsa $1 | openssl pkcs8 -topk8 -nocrypt -outform DER -out "$2-pk8.der"
openssl asn1parse -inform DER -in "$2-pk8.der" > "$2-pk8.txt"
echo -e "\n############### Content of RSA Private Key object ###############\n" >> "$2-pk8.txt"
openssl pkcs8 -inform DER -in "$2-pk8.der" -nocrypt | openssl asn1parse >> "$2-pk8.txt"
}
for keylength in 1024 1536 1664 1792 1920 2048 2304 2560 2816 3072 3328 3584 3840 4096; do
for keyidx in $(seq 1 10); do
keyname="rsakey-${keylength}b-$(printf '%02d' $keyidx)"
echo "########## gen-one-key $keylength \"$keyname\""
gen-one-key $keylength "$keyname"
done
done
This script will generate keys of different lengths.