Magicsig gets toFingerprint function.
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@ -178,18 +178,30 @@ class Magicsig extends Managed_DataObject
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* @param boolean $full_pair set to true to include the private key.
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* @param boolean $full_pair set to true to include the private key.
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* @return string
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* @return string
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*/
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*/
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public function toString($full_pair=false)
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public function toString($full_pair=false, $base64url=true)
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{
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{
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$mod = Magicsig::base64_url_encode($this->publicKey->modulus->toBytes());
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$base64_func = $base64url ? 'Magicsig::base64_url_encode' : 'base64_encode';
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$exp = Magicsig::base64_url_encode($this->publicKey->exponent->toBytes());
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$mod = call_user_func($base64_func, $this->publicKey->modulus->toBytes());
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$exp = call_user_func($base64_func, $this->publicKey->exponent->toBytes());
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$private_exp = '';
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$private_exp = '';
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if ($full_pair && $this->privateKey instanceof Crypt_RSA && $this->privateKey->exponent->toBytes()) {
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if ($full_pair && $this->privateKey instanceof Crypt_RSA && $this->privateKey->exponent->toBytes()) {
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$private_exp = '.' . Magicsig::base64_url_encode($this->privateKey->exponent->toBytes());
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$private_exp = '.' . call_user_func($base64_func, $this->privateKey->exponent->toBytes());
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}
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}
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return 'RSA.' . $mod . '.' . $exp . $private_exp;
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return 'RSA.' . $mod . '.' . $exp . $private_exp;
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}
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}
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public function toFingerprint()
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{
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// This assumes a specific behaviour from toString, to format as such:
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// "RSA." + base64(pubkey.modulus_as_bytes) + "." + base64(pubkey.exponent_as_bytes)
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// We don't want the base64 string to be the "url encoding" version because it is not
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// as common in programming libraries. And we want it to be base64 encoded since ASCII
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// representation avoids any problems with NULL etc. in less forgiving languages.
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return strtolower(hash('sha256', $this->toString(false, false)));
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}
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public function exportPublicKey($format=CRYPT_RSA_PUBLIC_FORMAT_PKCS1)
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public function exportPublicKey($format=CRYPT_RSA_PUBLIC_FORMAT_PKCS1)
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{
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{
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$this->publicKey->setPublicKey();
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$this->publicKey->setPublicKey();
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