59 lines
2.3 KiB
Perl
59 lines
2.3 KiB
Perl
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use strict;
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use warnings;
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use Test::More tests => 12;
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use Crypt::AuthEnc::GCM qw( gcm_encrypt_authenticate gcm_decrypt_verify );
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my $key = "12345678901234561234567890123456";
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{
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my $pt = "plain_half";
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my $ct;
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my $m1 = Crypt::AuthEnc::GCM->new("AES", $key);
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$m1->iv_add("123456789012");
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$m1->adata_add("adata-123456789012");
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$ct = $m1->encrypt_add($pt);
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$ct .= $m1->encrypt_add($pt);
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my $tag = $m1->encrypt_done;
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is(unpack('H*', $ct), "1d56d8e991a7fc707135a79842ef9b57d885485d", "enc: ciphertext");
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is(unpack('H*', $tag), "d225e849d4d076cf9e85d5303450e793", "enc: tag");
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my $d1 = Crypt::AuthEnc::GCM->new("AES", $key);
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$d1->iv_add("123456789012");
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$d1->adata_add("adata-123456789012");
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my $pt2 = $d1->decrypt_add($ct);
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my $tag2 = $d1->decrypt_done();
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is($pt2, "plain_halfplain_half", "dec1: plaintext");
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is(unpack('H*', $tag2), "d225e849d4d076cf9e85d5303450e793", "dec1: tag");
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my $d2 = Crypt::AuthEnc::GCM->new("AES", $key);
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$d2->iv_add("123456789012");
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$d2->adata_add("adata-123456789012");
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my $pt3;
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$pt3 .= $d2->decrypt_add(substr($ct,$_-1,1)) for (1..length($ct));
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my $tag3 = $d2->decrypt_done();
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is($pt3, "plain_halfplain_half", "dec2: plaintext");
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is(unpack('H*', $tag3), "d225e849d4d076cf9e85d5303450e793", "dec2: tag");
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}
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{
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my ($ct, $tag) = gcm_encrypt_authenticate('AES', $key, "123456789012", "", "plain_halfplain_half");
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is(unpack('H*', $ct), "1d56d8e991a7fc707135a79842ef9b57d885485d", "gcm_encrypt_authenticate: ciphertext (no header)");
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is(unpack('H*', $tag), "1685ba0eda059ace4aab6539980c30c0", "gcm_encrypt_authenticate: tag (no header)");
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my $pt = gcm_decrypt_verify('AES', $key, "123456789012", "", $ct, $tag);
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is($pt, "plain_halfplain_half", "gcm_decrypt_verify: plaintext (no header)");
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}
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{
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my ($ct, $tag) = gcm_encrypt_authenticate('AES', $key, "123456789012", "adata-123456789012", "plain_halfplain_half");
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is(unpack('H*', $ct), "1d56d8e991a7fc707135a79842ef9b57d885485d", "gcm_encrypt_authenticate: ciphertext (no header)");
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is(unpack('H*', $tag), "d225e849d4d076cf9e85d5303450e793", "gcm_encrypt_authenticate: tag (no header)");
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my $pt = gcm_decrypt_verify('AES', $key, "123456789012", "adata-123456789012", $ct, $tag);
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is($pt, "plain_halfplain_half", "gcm_decrypt_verify: plaintext (no header)");
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}
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