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Crypto: Simplifying constant comparisons.

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REDMOND\brodes
2025-05-22 14:06:13 -04:00
parent 28f48246fc
commit 007683f06a
1 changed files with 8 additions and 26 deletions
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34
cpp/ql/lib/experimental/quantum/OpenSSL/AlgorithmInstances/KnownAlgorithmConstants.qll
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@@ -33,30 +33,20 @@ class KnownOpenSSLCipherAlgorithmConstant extends KnownOpenSSLAlgorithmConstant
}
class KnownOpenSSLPaddingAlgorithmConstant extends KnownOpenSSLAlgorithmConstant {
string algType;
KnownOpenSSLPaddingAlgorithmConstant() {
resolveAlgorithmFromExpr(this, _, algType) and
algType.matches("%PADDING")
exists(string algType |
resolveAlgorithmFromExpr(this, _, algType) and
algType.matches("%PADDING")
)
}
}
class KnownOpenSSLBlockModeAlgorithmConstant extends KnownOpenSSLAlgorithmConstant {
string algType;
KnownOpenSSLBlockModeAlgorithmConstant() {
resolveAlgorithmFromExpr(this, _, algType) and
algType.matches("%BLOCK_MODE")
}
KnownOpenSSLBlockModeAlgorithmConstant() { resolveAlgorithmFromExpr(this, _, "BLOCK_MODE") }
}
class KnownOpenSSLHashAlgorithmConstant extends KnownOpenSSLAlgorithmConstant {
string algType;
KnownOpenSSLHashAlgorithmConstant() {
resolveAlgorithmFromExpr(this, _, algType) and
algType.matches("%HASH")
}
KnownOpenSSLHashAlgorithmConstant() { resolveAlgorithmFromExpr(this, _, "HASH") }
int getExplicitDigestLength() {
exists(string name |
@@ -69,20 +59,12 @@ class KnownOpenSSLHashAlgorithmConstant extends KnownOpenSSLAlgorithmConstant {
class KnownOpenSSLEllipticCurveAlgorithmConstant extends KnownOpenSSLAlgorithmConstant {
KnownOpenSSLEllipticCurveAlgorithmConstant() {
exists(string algType |
resolveAlgorithmFromExpr(this, _, algType) and
algType.matches("ELLIPTIC_CURVE")
)
resolveAlgorithmFromExpr(this, _, "ELLIPTIC_CURVE")
}
}
class KnownOpenSSLSignatureAlgorithmConstant extends KnownOpenSSLAlgorithmConstant {
string algType;
KnownOpenSSLSignatureAlgorithmConstant() {
resolveAlgorithmFromExpr(this, _, algType) and
algType.matches("SIGNATURE")
}
KnownOpenSSLSignatureAlgorithmConstant() { resolveAlgorithmFromExpr(this, _, "SIGNATURE") }
}
/**