diff options
Diffstat (limited to 'CryptoPkg/Driver')
| -rw-r--r-- | CryptoPkg/Driver/Crypto.c | 496 |
1 files changed, 496 insertions, 0 deletions
diff --git a/CryptoPkg/Driver/Crypto.c b/CryptoPkg/Driver/Crypto.c index 9872b5bf70..7a8266aaba 100644 --- a/CryptoPkg/Driver/Crypto.c +++ b/CryptoPkg/Driver/Crypto.c @@ -5519,6 +5519,481 @@ CryptoServiceBigNumAddMod ( return CALL_BASECRYPTLIB (Bn.Services.AddMod, BigNumAddMod, (BnA, BnB, BnM, BnRes), FALSE);
}
+// =====================================================================================
+// Basic Elliptic Curve Primitives
+// =====================================================================================
+
+/**
+ Initialize new opaque EcGroup object. This object represents an EC curve and
+ and is used for calculation within this group. This object should be freed
+ using EcGroupFree() function.
+
+ @param[in] CryptoNid Identifying number for the ECC curve (Defined in
+ BaseCryptLib.h).
+
+ @retval EcGroup object On success.
+ @retval NULL On failure.
+**/
+VOID *
+EFIAPI
+CryptoServiceEcGroupInit (
+ IN UINTN CryptoNid
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.GroupInit, EcGroupInit, (CryptoNid), NULL);
+}
+
+/**
+ Get EC curve parameters. While elliptic curve equation is Y^2 mod P = (X^3 + AX + B) Mod P.
+ This function will set the provided Big Number objects to the corresponding
+ values. The caller needs to make sure all the "out" BigNumber parameters
+ are properly initialized.
+ @param[in] EcGroup EC group object.
+ @param[out] BnPrime Group prime number.
+ @param[out] BnA A coefficient.
+ @param[out] BnB B coefficient.
+ @param[in] BnCtx BN context.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+CryptoServiceEcGroupGetCurve (
+ IN CONST VOID *EcGroup,
+ OUT VOID *BnPrime,
+ OUT VOID *BnA,
+ OUT VOID *BnB,
+ IN VOID *BnCtx
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.GroupGetCurve, EcGroupGetCurve, (EcGroup, BnPrime, BnA, BnB, BnCtx), FALSE);
+}
+
+/**
+ Get EC group order.
+ This function will set the provided Big Number object to the corresponding
+ value. The caller needs to make sure that the "out" BigNumber parameter
+ is properly initialized.
+
+ @param[in] EcGroup EC group object.
+ @param[out] BnOrder Group prime number.
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+CryptoServiceEcGroupGetOrder (
+ IN VOID *EcGroup,
+ OUT VOID *BnOrder
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.GroupGetOrder, EcGroupGetOrder, (EcGroup, BnOrder), FALSE);
+}
+
+/**
+ Free previously allocated EC group object using EcGroupInit().
+
+ @param[in] EcGroup EC group object to free.
+**/
+VOID
+EFIAPI
+CryptoServiceEcGroupFree (
+ IN VOID *EcGroup
+ )
+{
+ CALL_VOID_BASECRYPTLIB (Ec.Services.GroupFree, EcGroupFree, (EcGroup));
+}
+
+/**
+ Initialize new opaque EC Point object. This object represents an EC point
+ within the given EC group (curve).
+
+ @param[in] EC Group, properly initialized using EcGroupInit().
+
+ @retval EC Point object On success.
+ @retval NULL On failure.
+**/
+VOID *
+EFIAPI
+CryptoServiceEcPointInit (
+ IN CONST VOID *EcGroup
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.PointInit, EcPointInit, (EcGroup), NULL);
+}
+
+/**
+ Free previously allocated EC Point object using EcPointInit().
+
+ @param[in] EcPoint EC Point to free.
+ @param[in] Clear TRUE iff the memory should be cleared.
+**/
+VOID
+EFIAPI
+CryptoServiceEcPointDeInit (
+ IN VOID *EcPoint,
+ IN BOOLEAN Clear
+ )
+{
+ CALL_VOID_BASECRYPTLIB (Ec.Services.PointDeInit, EcPointDeInit, (EcPoint, Clear));
+}
+
+/**
+ Get EC point affine (x,y) coordinates.
+ This function will set the provided Big Number objects to the corresponding
+ values. The caller needs to make sure all the "out" BigNumber parameters
+ are properly initialized.
+
+ @param[in] EcGroup EC group object.
+ @param[in] EcPoint EC point object.
+ @param[out] BnX X coordinate.
+ @param[out] BnY Y coordinate.
+ @param[in] BnCtx BN context, created with BigNumNewContext().
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+CryptoServiceEcPointGetAffineCoordinates (
+ IN CONST VOID *EcGroup,
+ IN CONST VOID *EcPoint,
+ OUT VOID *BnX,
+ OUT VOID *BnY,
+ IN VOID *BnCtx
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.PointGetAffineCoordinates, EcPointGetAffineCoordinates, (EcGroup, EcPoint, BnX, BnY, BnCtx), FALSE);
+}
+
+/**
+ Set EC point affine (x,y) coordinates.
+
+ @param[in] EcGroup EC group object.
+ @param[in] EcPoint EC point object.
+ @param[in] BnX X coordinate.
+ @param[in] BnY Y coordinate.
+ @param[in] BnCtx BN context, created with BigNumNewContext().
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+CryptoServiceEcPointSetAffineCoordinates (
+ IN CONST VOID *EcGroup,
+ IN VOID *EcPoint,
+ IN CONST VOID *BnX,
+ IN CONST VOID *BnY,
+ IN VOID *BnCtx
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.PointSetAffineCoordinates, EcPointSetAffineCoordinates, (EcGroup, EcPoint, BnX, BnY, BnCtx), FALSE);
+}
+
+/**
+ EC Point addition. EcPointResult = EcPointA + EcPointB.
+ @param[in] EcGroup EC group object.
+ @param[out] EcPointResult EC point to hold the result. The point should
+ be properly initialized.
+ @param[in] EcPointA EC Point.
+ @param[in] EcPointB EC Point.
+ @param[in] BnCtx BN context, created with BigNumNewContext().
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+CryptoServiceEcPointAdd (
+ IN CONST VOID *EcGroup,
+ OUT VOID *EcPointResult,
+ IN CONST VOID *EcPointA,
+ IN CONST VOID *EcPointB,
+ IN VOID *BnCtx
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.PointAdd, EcPointAdd, (EcGroup, EcPointResult, EcPointA, EcPointB, BnCtx), FALSE);
+}
+
+/**
+ Variable EC point multiplication. EcPointResult = EcPoint * BnPScalar.
+
+ @param[in] EcGroup EC group object.
+ @param[out] EcPointResult EC point to hold the result. The point should
+ be properly initialized.
+ @param[in] EcPoint EC Point.
+ @param[in] BnPScalar P Scalar.
+ @param[in] BnCtx BN context, created with BigNumNewContext().
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+CryptoServiceEcPointMul (
+ IN CONST VOID *EcGroup,
+ OUT VOID *EcPointResult,
+ IN CONST VOID *EcPoint,
+ IN CONST VOID *BnPScalar,
+ IN VOID *BnCtx
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.PointMul, EcPointMul, (EcGroup, EcPointResult, EcPoint, BnPScalar, BnCtx), FALSE);
+}
+
+/**
+ Calculate the inverse of the supplied EC point.
+
+ @param[in] EcGroup EC group object.
+ @param[in,out] EcPoint EC point to invert.
+ @param[in] BnCtx BN context, created with BigNumNewContext().
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+CryptoServiceEcPointInvert (
+ IN CONST VOID *EcGroup,
+ IN OUT VOID *EcPoint,
+ IN VOID *BnCtx
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.PointInvert, EcPointInvert, (EcGroup, EcPoint, BnCtx), FALSE);
+}
+
+/**
+ Check if the supplied point is on EC curve.
+
+ @param[in] EcGroup EC group object.
+ @param[in] EcPoint EC point to check.
+ @param[in] BnCtx BN context, created with BigNumNewContext().
+
+ @retval TRUE On curve.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+CryptoServiceEcPointIsOnCurve (
+ IN CONST VOID *EcGroup,
+ IN CONST VOID *EcPoint,
+ IN VOID *BnCtx
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.PointIsOnCurve, EcPointIsOnCurve, (EcGroup, EcPoint, BnCtx), FALSE);
+}
+
+/**
+ Check if the supplied point is at infinity.
+
+ @param[in] EcGroup EC group object.
+ @param[in] EcPoint EC point to check.
+
+ @retval TRUE At infinity.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+CryptoServiceEcPointIsAtInfinity (
+ IN CONST VOID *EcGroup,
+ IN CONST VOID *EcPoint
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.PointIsAtInfinity, EcPointIsAtInfinity, (EcGroup, EcPoint), FALSE);
+}
+
+/**
+ Check if EC points are equal.
+
+ @param[in] EcGroup EC group object.
+ @param[in] EcPointA EC point A.
+ @param[in] EcPointB EC point B.
+ @param[in] BnCtx BN context, created with BigNumNewContext().
+
+ @retval TRUE A == B.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+CryptoServiceEcPointEqual (
+ IN CONST VOID *EcGroup,
+ IN CONST VOID *EcPointA,
+ IN CONST VOID *EcPointB,
+ IN VOID *BnCtx
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.PointEqual, EcPointEqual, (EcGroup, EcPointA, EcPointB, BnCtx), FALSE);
+}
+
+/**
+ Set EC point compressed coordinates. Points can be described in terms of
+ their compressed coordinates. For a point (x, y), for any given value for x
+ such that the point is on the curve there will only ever be two possible
+ values for y. Therefore, a point can be set using this function where BnX is
+ the x coordinate and YBit is a value 0 or 1 to identify which of the two
+ possible values for y should be used.
+
+ @param[in] EcGroup EC group object.
+ @param[in] EcPoint EC Point.
+ @param[in] BnX X coordinate.
+ @param[in] YBit 0 or 1 to identify which Y value is used.
+ @param[in] BnCtx BN context, created with BigNumNewContext().
+
+ @retval TRUE On success.
+ @retval FALSE Otherwise.
+**/
+BOOLEAN
+EFIAPI
+CryptoServiceEcPointSetCompressedCoordinates (
+ IN CONST VOID *EcGroup,
+ IN VOID *EcPoint,
+ IN CONST VOID *BnX,
+ IN UINT8 YBit,
+ IN VOID *BnCtx
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.PointSetCompressedCoordinates, EcPointSetCompressedCoordinates, (EcGroup, EcPoint, BnX, YBit, BnCtx), FALSE);
+}
+
+// =====================================================================================
+// Elliptic Curve Diffie Hellman Primitives
+// =====================================================================================
+
+/**
+ Allocates and Initializes one Elliptic Curve Context for subsequent use
+ with the NID.
+
+ @param[in] Nid cipher NID
+ @return Pointer to the Elliptic Curve Context that has been initialized.
+ If the allocations fails, EcNewByNid() returns NULL.
+**/
+VOID *
+EFIAPI
+CryptoServiceEcNewByNid (
+ IN UINTN Nid
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.NewByNid, EcNewByNid, (Nid), NULL);
+}
+
+/**
+ Release the specified EC context.
+
+ @param[in] EcContext Pointer to the EC context to be released.
+**/
+VOID
+EFIAPI
+CryptoServiceEcFree (
+ IN VOID *EcContext
+ )
+{
+ CALL_VOID_BASECRYPTLIB (Ec.Services.Free, EcFree, (EcContext));
+}
+
+/**
+ Generates EC key and returns EC public key (X, Y), Please note, this function uses
+ pseudo random number generator. The caller must make sure RandomSeed()
+ function was properly called before.
+ The Ec context should be correctly initialized by EcNewByNid.
+ This function generates random secret, and computes the public key (X, Y), which is
+ returned via parameter Public, PublicSize.
+ X is the first half of Public with size being PublicSize / 2,
+ Y is the second half of Public with size being PublicSize / 2.
+ EC context is updated accordingly.
+ If the Public buffer is too small to hold the public X, Y, FALSE is returned and
+ PublicSize is set to the required buffer size to obtain the public X, Y.
+ For P-256, the PublicSize is 64. First 32-byte is X, Second 32-byte is Y.
+ For P-384, the PublicSize is 96. First 48-byte is X, Second 48-byte is Y.
+ For P-521, the PublicSize is 132. First 66-byte is X, Second 66-byte is Y.
+ If EcContext is NULL, then return FALSE.
+ If PublicSize is NULL, then return FALSE.
+ If PublicSize is large enough but Public is NULL, then return FALSE.
+ @param[in, out] EcContext Pointer to the EC context.
+ @param[out] PublicKey Pointer to t buffer to receive generated public X,Y.
+ @param[in, out] PublicKeySize On input, the size of Public buffer in bytes.
+ On output, the size of data returned in Public buffer in bytes.
+ @retval TRUE EC public X,Y generation succeeded.
+ @retval FALSE EC public X,Y generation failed.
+ @retval FALSE PublicKeySize is not large enough.
+**/
+BOOLEAN
+EFIAPI
+CryptoServiceEcGenerateKey (
+ IN OUT VOID *EcContext,
+ OUT UINT8 *PublicKey,
+ IN OUT UINTN *PublicKeySize
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.GenerateKey, EcGenerateKey, (EcContext, PublicKey, PublicKeySize), FALSE);
+}
+
+/**
+ Gets the public key component from the established EC context.
+ The Ec context should be correctly initialized by EcNewByNid, and successfully
+ generate key pair from EcGenerateKey().
+ For P-256, the PublicSize is 64. First 32-byte is X, Second 32-byte is Y.
+ For P-384, the PublicSize is 96. First 48-byte is X, Second 48-byte is Y.
+ For P-521, the PublicSize is 132. First 66-byte is X, Second 66-byte is Y.
+ @param[in, out] EcContext Pointer to EC context being set.
+ @param[out] PublicKey Pointer to t buffer to receive generated public X,Y.
+ @param[in, out] PublicKeySize On input, the size of Public buffer in bytes.
+ On output, the size of data returned in Public buffer in bytes.
+ @retval TRUE EC key component was retrieved successfully.
+ @retval FALSE Invalid EC key component.
+**/
+BOOLEAN
+EFIAPI
+CryptoServiceEcGetPubKey (
+ IN OUT VOID *EcContext,
+ OUT UINT8 *PublicKey,
+ IN OUT UINTN *PublicKeySize
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.GetPubKey, EcGetPubKey, (EcContext, PublicKey, PublicKeySize), FALSE);
+}
+
+/**
+ Computes exchanged common key.
+ Given peer's public key (X, Y), this function computes the exchanged common key,
+ based on its own context including value of curve parameter and random secret.
+ X is the first half of PeerPublic with size being PeerPublicSize / 2,
+ Y is the second half of PeerPublic with size being PeerPublicSize / 2.
+ If EcContext is NULL, then return FALSE.
+ If PeerPublic is NULL, then return FALSE.
+ If PeerPublicSize is 0, then return FALSE.
+ If Key is NULL, then return FALSE.
+ If KeySize is not large enough, then return FALSE.
+ For P-256, the PeerPublicSize is 64. First 32-byte is X, Second 32-byte is Y.
+ For P-384, the PeerPublicSize is 96. First 48-byte is X, Second 48-byte is Y.
+ For P-521, the PeerPublicSize is 132. First 66-byte is X, Second 66-byte is Y.
+ @param[in, out] EcContext Pointer to the EC context.
+ @param[in] PeerPublic Pointer to the peer's public X,Y.
+ @param[in] PeerPublicSize Size of peer's public X,Y in bytes.
+ @param[in] CompressFlag Flag of PeerPublic is compressed or not.
+ @param[out] Key Pointer to the buffer to receive generated key.
+ @param[in, out] KeySize On input, the size of Key buffer in bytes.
+ On output, the size of data returned in Key buffer in bytes.
+ @retval TRUE EC exchanged key generation succeeded.
+ @retval FALSE EC exchanged key generation failed.
+ @retval FALSE KeySize is not large enough.
+**/
+BOOLEAN
+EFIAPI
+CryptoServiceEcDhComputeKey (
+ IN OUT VOID *EcContext,
+ IN CONST UINT8 *PeerPublic,
+ IN UINTN PeerPublicSize,
+ IN CONST INT32 *CompressFlag,
+ OUT UINT8 *Key,
+ IN OUT UINTN *KeySize
+ )
+{
+ return CALL_BASECRYPTLIB (Ec.Services.DhComputeKey, EcDhComputeKey, (EcContext, PeerPublic, PeerPublicSize, CompressFlag, Key, KeySize), FALSE);
+}
+
const EDKII_CRYPTO_PROTOCOL mEdkiiCrypto = {
/// Version
CryptoServiceGetCryptoVersion,
@@ -5770,4 +6245,25 @@ const EDKII_CRYPTO_PROTOCOL mEdkiiCrypto = { CryptoServiceBigNumContextFree,
CryptoServiceBigNumSetUint,
CryptoServiceBigNumAddMod,
+ /// EC
+ CryptoServiceEcGroupInit,
+ CryptoServiceEcGroupGetCurve,
+ CryptoServiceEcGroupGetOrder,
+ CryptoServiceEcGroupFree,
+ CryptoServiceEcPointInit,
+ CryptoServiceEcPointDeInit,
+ CryptoServiceEcPointGetAffineCoordinates,
+ CryptoServiceEcPointSetAffineCoordinates,
+ CryptoServiceEcPointAdd,
+ CryptoServiceEcPointMul,
+ CryptoServiceEcPointInvert,
+ CryptoServiceEcPointIsOnCurve,
+ CryptoServiceEcPointIsAtInfinity,
+ CryptoServiceEcPointEqual,
+ CryptoServiceEcPointSetCompressedCoordinates,
+ CryptoServiceEcNewByNid,
+ CryptoServiceEcFree,
+ CryptoServiceEcGenerateKey,
+ CryptoServiceEcGetPubKey,
+ CryptoServiceEcDhComputeKey,
};
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