From: Chris Ruffin <v-chruf...@microsoft.com>
Expand the availability of the RSAEP-OAEP crypto capability in
BaseCryptLib. Applications using RSA crypto functions directly from
OpensslLib can transition to BaseCryptLib to take advantage of the
shared crypto feature in CryptoDxe.
Pkcs1v2Decrypt(): decryption using DER-encoded private key
RsaOaepEncrypt(): encryption using RSA contexts
RsaOaepDecrypt(): decryption using RSA contexts
Signed-off-by: Chris Ruffin <v-chruf...@microsoft.com>
Cc: Jiewen Yao <jiewen....@intel.com>
Cc: Yi Li <yi1...@intel.com>
Cc: Wenxing Hou <wenxing....@intel.com>
---
CryptoPkg/Include/Library/BaseCryptLib.h | 102 ++++
.../Library/BaseCryptLib/Pk/CryptPkcs1Oaep.c | 506 ++++++++++++++++--
.../BaseCryptLib/Pk/CryptPkcs1OaepNull.c | 114 ++++
.../BaseCryptLibNull/Pk/CryptPkcs1OaepNull.c | 114 ++++
4 files changed, 789 insertions(+), 47 deletions(-)
diff --git a/CryptoPkg/Include/Library/BaseCryptLib.h
b/CryptoPkg/Include/Library/BaseCryptLib.h
index a52bd91ad6..7ad2bf21fe 100644
--- a/CryptoPkg/Include/Library/BaseCryptLib.h
+++ b/CryptoPkg/Include/Library/BaseCryptLib.h
@@ -2147,6 +2147,108 @@ Pkcs1v2Encrypt (
OUT UINTN *EncryptedDataSize
);
+/**
+ Encrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return
the
+ encrypted message in a newly allocated buffer.
+
+ Things that can cause a failure include:
+ - X509 key size does not match any known key size.
+ - Fail to allocate an intermediate buffer.
+ - Null pointer provided for a non-optional parameter.
+ - Data size is too large for the provided key size (max size is a function
of key size
+ and hash digest size).
+
+ @param[in] RsaContext A pointer to an RSA context created by
RsaNew() and
+ provisioned with a public key using
RsaSetKey().
+ @param[in] InData Data to be encrypted.
+ @param[in] InDataSize Size of the data buffer.
+ @param[in] PrngSeed [Optional] If provided, a pointer to a
random seed buffer
+ to be used when initializing the PRNG. NULL
otherwise.
+ @param[in] PrngSeedSize [Optional] If provided, size of the random
seed buffer.
+ 0 otherwise.
+ @param[out] EncryptedData Pointer to an allocated buffer containing
the encrypted
+ message.
+ @param[out] EncryptedDataSize Size of the encrypted message buffer.
+
+ @retval TRUE Encryption was successful.
+ @retval FALSE Encryption failed.
+
+**/
+BOOLEAN
+EFIAPI
+RsaOaepEncrypt (
+ IN VOID *RsaContext,
+ IN UINT8 *InData,
+ IN UINTN InDataSize,
+ IN CONST UINT8 *PrngSeed OPTIONAL,
+ IN UINTN PrngSeedSize OPTIONAL,
+ OUT UINT8 **EncryptedData,
+ OUT UINTN *EncryptedDataSize
+ );
+
+/**
+ Decrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return
the
+ decrypted message in a newly allocated buffer.
+
+ Things that can cause a failure include:
+ - Fail to parse private key.
+ - Fail to allocate an intermediate buffer.
+ - Null pointer provided for a non-optional parameter.
+
+ @param[in] PrivateKey A pointer to the DER-encoded private key.
+ @param[in] PrivateKeySize Size of the private key buffer.
+ @param[in] EncryptedData Data to be decrypted.
+ @param[in] EncryptedDataSize Size of the encrypted buffer.
+ @param[out] OutData Pointer to an allocated buffer containing
the encrypted
+ message.
+ @param[out] OutDataSize Size of the encrypted message buffer.
+
+ @retval TRUE Encryption was successful.
+ @retval FALSE Encryption failed.
+
+**/
+BOOLEAN
+EFIAPI
+Pkcs1v2Decrypt (
+ IN CONST UINT8 *PrivateKey,
+ IN UINTN PrivateKeySize,
+ IN UINT8 *EncryptedData,
+ IN UINTN EncryptedDataSize,
+ OUT UINT8 **OutData,
+ OUT UINTN *OutDataSize
+ );
+
+/**
+ Decrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return
the
+ decrypted message in a newly allocated buffer.
+
+ Things that can cause a failure include:
+ - Fail to parse private key.
+ - Fail to allocate an intermediate buffer.
+ - Null pointer provided for a non-optional parameter.
+
+ @param[in] RsaContext A pointer to an RSA context created by
RsaNew() and
+ provisioned with a private key using
RsaSetKey().
+ @param[in] EncryptedData Data to be decrypted.
+ @param[in] EncryptedDataSize Size of the encrypted buffer.
+ @param[out] OutData Pointer to an allocated buffer containing
the encrypted
+ message.
+ @param[out] OutDataSize Size of the encrypted message buffer.
+
+ @retval TRUE Encryption was successful.
+ @retval FALSE Encryption failed.
+
+**/
+BOOLEAN
+EFIAPI
+RsaOaepDecrypt (
+ IN VOID *RsaContext,
+ IN UINT8 *EncryptedData,
+ IN UINTN EncryptedDataSize,
+ OUT UINT8 **OutData,
+ OUT UINTN *OutDataSize
+ );
+
/**
The 3rd parameter of Pkcs7GetSigners will return all embedded
X.509 certificate in one given PKCS7 signature. The format is:
diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs1Oaep.c
b/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs1Oaep.c
index ea43c1381c..00e904dd6c 100644
--- a/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs1Oaep.c
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs1Oaep.c
@@ -26,9 +26,8 @@
- Data size is too large for the provided key size (max size is a function
of key size
and hash digest size).
- @param[in] PublicKey A pointer to the DER-encoded X509
certificate that
+ @param[in] Pkey A pointer to an EVP_PKEY struct that
will be used to encrypt the data.
- @param[in] PublicKeySize Size of the X509 cert buffer.
@param[in] InData Data to be encrypted.
@param[in] InDataSize Size of the data buffer.
@param[in] PrngSeed [Optional] If provided, a pointer to a
random seed buffer
@@ -45,9 +44,8 @@
**/
BOOLEAN
EFIAPI
-Pkcs1v2Encrypt (
- IN CONST UINT8 *PublicKey,
- IN UINTN PublicKeySize,
+InternalPkcs1v2Encrypt (
+ EVP_PKEY *Pkey,
IN UINT8 *InData,
IN UINTN InDataSize,
IN CONST UINT8 *PrngSeed OPTIONAL,
@@ -57,9 +55,6 @@ Pkcs1v2Encrypt (
)
{
BOOLEAN Result;
- CONST UINT8 *TempPointer;
- X509 *CertData;
- EVP_PKEY *InternalPublicKey;
EVP_PKEY_CTX *PkeyCtx;
UINT8 *OutData;
UINTN OutDataSize;
@@ -67,28 +62,15 @@ Pkcs1v2Encrypt (
//
// Check input parameters.
//
- if ((PublicKey == NULL) || (InData == NULL) ||
+ if ((Pkey == NULL) || (InData == NULL) ||
(EncryptedData == NULL) || (EncryptedDataSize == NULL))
{
return FALSE;
}
- //
- // Check public key size.
- //
- if (PublicKeySize > 0xFFFFFFFF) {
- //
- // Public key size is too large for implementation.
- //
- return FALSE;
- }
-
*EncryptedData = NULL;
*EncryptedDataSize = 0;
Result = FALSE;
- TempPointer = NULL;
- CertData = NULL;
- InternalPublicKey = NULL;
PkeyCtx = NULL;
OutData = NULL;
OutDataSize = 0;
@@ -104,6 +86,154 @@ Pkcs1v2Encrypt (
RandomSeed (NULL, 0);
}
+ //
+ // Create a context for the public key operation.
+ //
+ PkeyCtx = EVP_PKEY_CTX_new (Pkey, NULL);
+ if (PkeyCtx == NULL) {
+ //
+ // Fail to create contex.
+ //
+ goto _Exit;
+ }
+
+ //
+ // Initialize the context and set the desired padding.
+ //
+ if ((EVP_PKEY_encrypt_init (PkeyCtx) <= 0) ||
+ (EVP_PKEY_CTX_set_rsa_padding (PkeyCtx, RSA_PKCS1_OAEP_PADDING) <= 0))
+ {
+ //
+ // Fail to initialize the context.
+ //
+ goto _Exit;
+ }
+
+ //
+ // Determine the required buffer length for malloc'ing.
+ //
+ if (EVP_PKEY_encrypt (PkeyCtx, NULL, &OutDataSize, InData, InDataSize) <= 0)
{
+ //
+ // Fail to determine output buffer size.
+ //
+ goto _Exit;
+ }
+
+ //
+ // Allocate a buffer for the output data.
+ //
+ OutData = AllocatePool (OutDataSize);
+ if (OutData == NULL) {
+ //
+ // Fail to allocate the output buffer.
+ //
+ goto _Exit;
+ }
+
+ //
+ // Encrypt Data.
+ //
+ if (EVP_PKEY_encrypt (PkeyCtx, OutData, &OutDataSize, InData, InDataSize) <=
0) {
+ //
+ // Fail to encrypt data, need to free the output buffer.
+ //
+ FreePool (OutData);
+ OutData = NULL;
+ OutDataSize = 0;
+ goto _Exit;
+ }
+
+ //
+ // Encrypt done.
+ //
+ *EncryptedData = OutData;
+ *EncryptedDataSize = OutDataSize;
+ Result = TRUE;
+
+_Exit:
+ //
+ // Release Resources
+ //
+ if (PkeyCtx != NULL) {
+ EVP_PKEY_CTX_free (PkeyCtx);
+ }
+
+ return Result;
+}
+
+/**
+ Encrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return
the
+ encrypted message in a newly allocated buffer.
+
+ Things that can cause a failure include:
+ - X509 key size does not match any known key size.
+ - Fail to parse X509 certificate.
+ - Fail to allocate an intermediate buffer.
+ - Null pointer provided for a non-optional parameter.
+ - Data size is too large for the provided key size (max size is a function
of key size
+ and hash digest size).
+
+ @param[in] PublicKey A pointer to the DER-encoded X509
certificate that
+ will be used to encrypt the data.
+ @param[in] PublicKeySize Size of the X509 cert buffer.
+ @param[in] InData Data to be encrypted.
+ @param[in] InDataSize Size of the data buffer.
+ @param[in] PrngSeed [Optional] If provided, a pointer to a
random seed buffer
+ to be used when initializing the PRNG. NULL
otherwise.
+ @param[in] PrngSeedSize [Optional] If provided, size of the random
seed buffer.
+ 0 otherwise.
+ @param[out] EncryptedData Pointer to an allocated buffer containing
the encrypted
+ message.
+ @param[out] EncryptedDataSize Size of the encrypted message buffer.
+
+ @retval TRUE Encryption was successful.
+ @retval FALSE Encryption failed.
+
+**/
+BOOLEAN
+EFIAPI
+Pkcs1v2Encrypt (
+ IN CONST UINT8 *PublicKey,
+ IN UINTN PublicKeySize,
+ IN UINT8 *InData,
+ IN UINTN InDataSize,
+ IN CONST UINT8 *PrngSeed OPTIONAL,
+ IN UINTN PrngSeedSize OPTIONAL,
+ OUT UINT8 **EncryptedData,
+ OUT UINTN *EncryptedDataSize
+ )
+{
+ BOOLEAN Result;
+ CONST UINT8 *TempPointer;
+ X509 *CertData;
+ EVP_PKEY *Pkey;
+
+ //
+ // Check input parameters.
+ //
+ if ((PublicKey == NULL) || (InData == NULL) ||
+ (EncryptedData == NULL) || (EncryptedDataSize == NULL))
+ {
+ return FALSE;
+ }
+
+ //
+ // Check public key size.
+ //
+ if (PublicKeySize > 0xFFFFFFFF) {
+ //
+ // Public key size is too large for implementation.
+ //
+ return FALSE;
+ }
+
+ *EncryptedData = NULL;
+ *EncryptedDataSize = 0;
+ Result = FALSE;
+ TempPointer = NULL;
+ CertData = NULL;
+ Pkey = NULL;
+
//
// Parse the X509 cert and extract the public key.
//
@@ -120,52 +250,201 @@ Pkcs1v2Encrypt (
// Extract the public key from the x509 cert in a format that
// OpenSSL can use.
//
- InternalPublicKey = X509_get_pubkey (CertData);
- if (InternalPublicKey == NULL) {
+ Pkey = X509_get_pubkey (CertData);
+ if (Pkey == NULL) {
//
// Fail to extract public key.
//
goto _Exit;
}
+ Result = InternalPkcs1v2Encrypt (Pkey, InData, InDataSize, PrngSeed,
PrngSeedSize, EncryptedData, EncryptedDataSize);
+
+_Exit:
//
- // Create a context for the public key operation.
+ // Release Resources
+ //
+ if (CertData != NULL) {
+ X509_free (CertData);
+ }
+
+ if (Pkey != NULL) {
+ EVP_PKEY_free (Pkey);
+ }
+
+ return Result;
+}
+
+/**
+ Encrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return
the
+ encrypted message in a newly allocated buffer.
+
+ Things that can cause a failure include:
+ - X509 key size does not match any known key size.
+ - Fail to allocate an intermediate buffer.
+ - Null pointer provided for a non-optional parameter.
+ - Data size is too large for the provided key size (max size is a function
of key size
+ and hash digest size).
+
+ @param[in] RsaContext A pointer to an RSA context created by
RsaNew() and
+ provisioned with a public key using
RsaSetKey().
+ @param[in] InData Data to be encrypted.
+ @param[in] InDataSize Size of the data buffer.
+ @param[in] PrngSeed [Optional] If provided, a pointer to a
random seed buffer
+ to be used when initializing the PRNG. NULL
otherwise.
+ @param[in] PrngSeedSize [Optional] If provided, size of the random
seed buffer.
+ 0 otherwise.
+ @param[out] EncryptedData Pointer to an allocated buffer containing
the encrypted
+ message.
+ @param[out] EncryptedDataSize Size of the encrypted message buffer.
+
+ @retval TRUE Encryption was successful.
+ @retval FALSE Encryption failed.
+
+**/
+BOOLEAN
+EFIAPI
+RsaOaepEncrypt (
+ IN VOID *RsaContext,
+ IN UINT8 *InData,
+ IN UINTN InDataSize,
+ IN CONST UINT8 *PrngSeed OPTIONAL,
+ IN UINTN PrngSeedSize OPTIONAL,
+ OUT UINT8 **EncryptedData,
+ OUT UINTN *EncryptedDataSize
+ )
+{
+ BOOLEAN Result;
+ EVP_PKEY *Pkey;
+
//
- PkeyCtx = EVP_PKEY_CTX_new (InternalPublicKey, NULL);
+ // Check input parameters.
+ //
+ if (((RsaContext == NULL) || (InData == NULL)) ||
+ (EncryptedData == NULL) || (EncryptedDataSize == NULL))
+ {
+ return FALSE;
+ }
+
+ *EncryptedData = NULL;
+ *EncryptedDataSize = 0;
+ Result = FALSE;
+ Pkey = NULL;
+
+ Pkey = EVP_PKEY_new ();
+ if (Pkey == NULL) {
+ goto _Exit;
+ }
+
+ if (EVP_PKEY_set1_RSA (Pkey, (RSA *)RsaContext) == 0) {
+ goto _Exit;
+ }
+
+ Result = InternalPkcs1v2Encrypt (Pkey, InData, InDataSize, PrngSeed,
PrngSeedSize, EncryptedData, EncryptedDataSize);
+
+_Exit:
+ //
+ // Release Resources
+ //
+ if (Pkey != NULL) {
+ EVP_PKEY_free (Pkey);
+ }
+
+ return Result;
+}
+
+/**
+ Decrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return
the
+ decrypted message in a newly allocated buffer.
+
+ Things that can cause a failure include:
+ - Fail to parse private key.
+ - Fail to allocate an intermediate buffer.
+ - Null pointer provided for a non-optional parameter.
+
+ @param[in] Pkey A pointer to an EVP_PKEY which will decrypt
that data.
+ @param[in] EncryptedData Data to be decrypted.
+ @param[in] EncryptedDataSize Size of the encrypted buffer.
+ @param[out] OutData Pointer to an allocated buffer containing
the encrypted
+ message.
+ @param[out] OutDataSize Size of the encrypted message buffer.
+
+ @retval TRUE Encryption was successful.
+ @retval FALSE Encryption failed.
+
+**/
+BOOLEAN
+EFIAPI
+InternalPkcs1v2Decrypt (
+ EVP_PKEY *Pkey,
+ IN UINT8 *EncryptedData,
+ IN UINTN EncryptedDataSize,
+ OUT UINT8 **OutData,
+ OUT UINTN *OutDataSize
+ )
+{
+ BOOLEAN Result;
+ EVP_PKEY_CTX *PkeyCtx;
+ UINT8 *TempData;
+ UINTN TempDataSize;
+ INTN ReturnCode;
+
+ //
+ // Check input parameters.
+ //
+ if ((Pkey == NULL) || (EncryptedData == NULL) ||
+ (OutData == NULL) || (OutDataSize == NULL))
+ {
+ return FALSE;
+ }
+
+ Result = FALSE;
+ PkeyCtx = NULL;
+ TempData = NULL;
+ TempDataSize = 0;
+
+ //
+ // Create a context for the decryption operation.
+ //
+ PkeyCtx = EVP_PKEY_CTX_new (Pkey, NULL);
if (PkeyCtx == NULL) {
//
// Fail to create contex.
//
+ DEBUG ((DEBUG_ERROR, "[%a] EVP_PKEY_CTK_new() failed\n", __func__));
goto _Exit;
}
//
// Initialize the context and set the desired padding.
//
- if ((EVP_PKEY_encrypt_init (PkeyCtx) <= 0) ||
+ if ((EVP_PKEY_decrypt_init (PkeyCtx) <= 0) ||
(EVP_PKEY_CTX_set_rsa_padding (PkeyCtx, RSA_PKCS1_OAEP_PADDING) <= 0))
{
//
// Fail to initialize the context.
//
+ DEBUG ((DEBUG_ERROR, "[%a] EVP_PKEY_decrypt_init() failed\n", __func__));
goto _Exit;
}
//
// Determine the required buffer length for malloc'ing.
//
- if (EVP_PKEY_encrypt (PkeyCtx, NULL, &OutDataSize, InData, InDataSize) <= 0)
{
+ ReturnCode = EVP_PKEY_decrypt (PkeyCtx, NULL, &TempDataSize, EncryptedData,
EncryptedDataSize);
+ if (ReturnCode <= 0) {
//
// Fail to determine output buffer size.
//
+ DEBUG ((DEBUG_ERROR, "[%a] EVP_PKEY_decrypt() failed to determine output
buffer size (rc=%d)\n", __func__, ReturnCode));
goto _Exit;
}
//
// Allocate a buffer for the output data.
//
- OutData = AllocatePool (OutDataSize);
- if (OutData == NULL) {
+ TempData = AllocatePool (TempDataSize);
+ if (TempData == NULL) {
//
// Fail to allocate the output buffer.
//
@@ -173,39 +452,172 @@ Pkcs1v2Encrypt (
}
//
- // Encrypt Data.
+ // Decrypt Data.
//
- if (EVP_PKEY_encrypt (PkeyCtx, OutData, &OutDataSize, InData, InDataSize) <=
0) {
+ ReturnCode = EVP_PKEY_decrypt (PkeyCtx, TempData, &TempDataSize,
EncryptedData, EncryptedDataSize);
+ if (ReturnCode <= 0) {
//
- // Fail to encrypt data, need to free the output buffer.
+ // Fail to decrypt data, need to free the output buffer.
//
- FreePool (OutData);
- OutData = NULL;
- OutDataSize = 0;
+ FreePool (TempData);
+ TempData = NULL;
+ TempDataSize = 0;
+
+ DEBUG ((DEBUG_ERROR, "[%a] EVP_PKEY_decrypt(TempData) failed to decrypt
(rc=%d)\n", __func__, ReturnCode));
goto _Exit;
}
//
- // Encrypt done.
+ // Decrypt done.
//
- *EncryptedData = OutData;
- *EncryptedDataSize = OutDataSize;
- Result = TRUE;
+ *OutData = TempData;
+ *OutDataSize = TempDataSize;
+ Result = TRUE;
_Exit:
+ if (PkeyCtx != NULL) {
+ EVP_PKEY_CTX_free (PkeyCtx);
+ }
+
+ return Result;
+}
+
+/**
+ Decrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return
the
+ decrypted message in a newly allocated buffer.
+
+ Things that can cause a failure include:
+ - Fail to parse private key.
+ - Fail to allocate an intermediate buffer.
+ - Null pointer provided for a non-optional parameter.
+
+ @param[in] PrivateKey A pointer to the DER-encoded private key.
+ @param[in] PrivateKeySize Size of the private key buffer.
+ @param[in] EncryptedData Data to be decrypted.
+ @param[in] EncryptedDataSize Size of the encrypted buffer.
+ @param[out] OutData Pointer to an allocated buffer containing
the encrypted
+ message.
+ @param[out] OutDataSize Size of the encrypted message buffer.
+
+ @retval TRUE Encryption was successful.
+ @retval FALSE Encryption failed.
+
+**/
+BOOLEAN
+EFIAPI
+Pkcs1v2Decrypt (
+ IN CONST UINT8 *PrivateKey,
+ IN UINTN PrivateKeySize,
+ IN UINT8 *EncryptedData,
+ IN UINTN EncryptedDataSize,
+ OUT UINT8 **OutData,
+ OUT UINTN *OutDataSize
+ )
+{
+ BOOLEAN Result;
+ EVP_PKEY *Pkey;
+ CONST UINT8 *TempPointer;
+
//
- // Release Resources
+ // Check input parameters.
//
- if (CertData != NULL) {
- X509_free (CertData);
+ if ((PrivateKey == NULL) || (EncryptedData == NULL) ||
+ (OutData == NULL) || (OutDataSize == NULL))
+ {
+ return FALSE;
+ }
+
+ Result = FALSE;
+ Pkey = NULL;
+ TempPointer = NULL;
+
+ //
+ // Parse the private key.
+ //
+ TempPointer = PrivateKey;
+ Pkey = d2i_PrivateKey (EVP_PKEY_RSA, &Pkey, &TempPointer,
(UINT32)PrivateKeySize);
+ if (Pkey == NULL) {
+ //
+ // Fail to parse private key.
+ //
+ DEBUG ((DEBUG_ERROR, "[%a] d2i_PrivateKey() failed\n", __func__));
+ goto _Exit;
}
- if (InternalPublicKey != NULL) {
- EVP_PKEY_free (InternalPublicKey);
+ Result = InternalPkcs1v2Decrypt (Pkey, EncryptedData, EncryptedDataSize,
OutData, OutDataSize);
+
+_Exit:
+ if (Pkey != NULL) {
+ EVP_PKEY_free (Pkey);
}
- if (PkeyCtx != NULL) {
- EVP_PKEY_CTX_free (PkeyCtx);
+ return Result;
+}
+
+/**
+ Decrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return
the
+ decrypted message in a newly allocated buffer.
+
+ Things that can cause a failure include:
+ - Fail to parse private key.
+ - Fail to allocate an intermediate buffer.
+ - Null pointer provided for a non-optional parameter.
+
+ @param[in] RsaContext A pointer to an RSA context created by
RsaNew() and
+ provisioned with a private key using
RsaSetKey().
+ @param[in] EncryptedData Data to be decrypted.
+ @param[in] EncryptedDataSize Size of the encrypted buffer.
+ @param[out] OutData Pointer to an allocated buffer containing
the encrypted
+ message.
+ @param[out] OutDataSize Size of the encrypted message buffer.
+
+ @retval TRUE Encryption was successful.
+ @retval FALSE Encryption failed.
+
+**/
+BOOLEAN
+EFIAPI
+RsaOaepDecrypt (
+ IN VOID *RsaContext,
+ IN UINT8 *EncryptedData,
+ IN UINTN EncryptedDataSize,
+ OUT UINT8 **OutData,
+ OUT UINTN *OutDataSize
+ )
+{
+ BOOLEAN Result;
+ EVP_PKEY *Pkey;
+
+ //
+ // Check input parameters.
+ //
+ if ((RsaContext == NULL) || (EncryptedData == NULL) ||
+ (OutData == NULL) || (OutDataSize == NULL))
+ {
+ return FALSE;
+ }
+
+ Result = FALSE;
+ Pkey = NULL;
+
+ //
+ // Create a context for the decryption operation.
+ //
+
+ Pkey = EVP_PKEY_new ();
+ if (Pkey == NULL) {
+ goto _Exit;
+ }
+
+ if (EVP_PKEY_set1_RSA (Pkey, (RSA *)RsaContext) == 0) {
+ goto _Exit;
+ }
+
+ Result = InternalPkcs1v2Decrypt (Pkey, EncryptedData, EncryptedDataSize,
OutData, OutDataSize);
+
+_Exit:
+ if (Pkey != NULL) {
+ EVP_PKEY_free (Pkey);
}
return Result;
diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs1OaepNull.c
b/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs1OaepNull.c
index 36508947c5..05e074d18e 100644
--- a/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs1OaepNull.c
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs1OaepNull.c
@@ -48,3 +48,117 @@ Pkcs1v2Encrypt (
ASSERT (FALSE);
return FALSE;
}
+
+/**
+ Encrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return
the
+ encrypted message in a newly allocated buffer.
+
+ Things that can cause a failure include:
+ - X509 key size does not match any known key size.
+ - Fail to allocate an intermediate buffer.
+ - Null pointer provided for a non-optional parameter.
+ - Data size is too large for the provided key size (max size is a function
of key size
+ and hash digest size).
+
+ @param[in] RsaContext A pointer to an RSA context created by
RsaNew() and
+ provisioned with a public key using
RsaSetKey().
+ @param[in] InData Data to be encrypted.
+ @param[in] InDataSize Size of the data buffer.
+ @param[in] PrngSeed [Optional] If provided, a pointer to a
random seed buffer
+ to be used when initializing the PRNG. NULL
otherwise.
+ @param[in] PrngSeedSize [Optional] If provided, size of the random
seed buffer.
+ 0 otherwise.
+ @param[out] EncryptedData Pointer to an allocated buffer containing
the encrypted
+ message.
+ @param[out] EncryptedDataSize Size of the encrypted message buffer.
+
+ @retval TRUE Encryption was successful.
+ @retval FALSE Encryption failed.
+
+**/
+BOOLEAN
+EFIAPI
+RsaOaepEncrypt (
+ IN VOID *RsaContext,
+ IN UINT8 *InData,
+ IN UINTN InDataSize,
+ IN CONST UINT8 *PrngSeed OPTIONAL,
+ IN UINTN PrngSeedSize OPTIONAL,
+ OUT UINT8 **EncryptedData,
+ OUT UINTN *EncryptedDataSize
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Decrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return
the
+ decrypted message in a newly allocated buffer.
+
+ Things that can cause a failure include:
+ - Fail to parse private key.
+ - Fail to allocate an intermediate buffer.
+ - Null pointer provided for a non-optional parameter.
+
+ @param[in] PrivateKey A pointer to the DER-encoded private key.
+ @param[in] PrivateKeySize Size of the private key buffer.
+ @param[in] EncryptedData Data to be decrypted.
+ @param[in] EncryptedDataSize Size of the encrypted buffer.
+ @param[out] OutData Pointer to an allocated buffer containing
the encrypted
+ message.
+ @param[out] OutDataSize Size of the encrypted message buffer.
+
+ @retval TRUE Encryption was successful.
+ @retval FALSE Encryption failed.
+
+**/
+BOOLEAN
+EFIAPI
+Pkcs1v2Decrypt (
+ IN CONST UINT8 *PrivateKey,
+ IN UINTN PrivateKeySize,
+ IN UINT8 *EncryptedData,
+ IN UINTN EncryptedDataSize,
+ OUT UINT8 **OutData,
+ OUT UINTN *OutDataSize
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Decrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return
the
+ decrypted message in a newly allocated buffer.
+
+ Things that can cause a failure include:
+ - Fail to parse private key.
+ - Fail to allocate an intermediate buffer.
+ - Null pointer provided for a non-optional parameter.
+
+ @param[in] RsaContext A pointer to an RSA context created by
RsaNew() and
+ provisioned with a private key using
RsaSetKey().
+ @param[in] EncryptedData Data to be decrypted.
+ @param[in] EncryptedDataSize Size of the encrypted buffer.
+ @param[out] OutData Pointer to an allocated buffer containing
the encrypted
+ message.
+ @param[out] OutDataSize Size of the encrypted message buffer.
+
+ @retval TRUE Encryption was successful.
+ @retval FALSE Encryption failed.
+
+**/
+BOOLEAN
+EFIAPI
+RsaOaepDecrypt (
+ IN VOID *RsaContext,
+ IN UINT8 *EncryptedData,
+ IN UINTN EncryptedDataSize,
+ OUT UINT8 **OutData,
+ OUT UINTN *OutDataSize
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
diff --git a/CryptoPkg/Library/BaseCryptLibNull/Pk/CryptPkcs1OaepNull.c
b/CryptoPkg/Library/BaseCryptLibNull/Pk/CryptPkcs1OaepNull.c
index 36508947c5..05e074d18e 100644
--- a/CryptoPkg/Library/BaseCryptLibNull/Pk/CryptPkcs1OaepNull.c
+++ b/CryptoPkg/Library/BaseCryptLibNull/Pk/CryptPkcs1OaepNull.c
@@ -48,3 +48,117 @@ Pkcs1v2Encrypt (
ASSERT (FALSE);
return FALSE;
}
+
+/**
+ Encrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return
the
+ encrypted message in a newly allocated buffer.
+
+ Things that can cause a failure include:
+ - X509 key size does not match any known key size.
+ - Fail to allocate an intermediate buffer.
+ - Null pointer provided for a non-optional parameter.
+ - Data size is too large for the provided key size (max size is a function
of key size
+ and hash digest size).
+
+ @param[in] RsaContext A pointer to an RSA context created by
RsaNew() and
+ provisioned with a public key using
RsaSetKey().
+ @param[in] InData Data to be encrypted.
+ @param[in] InDataSize Size of the data buffer.
+ @param[in] PrngSeed [Optional] If provided, a pointer to a
random seed buffer
+ to be used when initializing the PRNG. NULL
otherwise.
+ @param[in] PrngSeedSize [Optional] If provided, size of the random
seed buffer.
+ 0 otherwise.
+ @param[out] EncryptedData Pointer to an allocated buffer containing
the encrypted
+ message.
+ @param[out] EncryptedDataSize Size of the encrypted message buffer.
+
+ @retval TRUE Encryption was successful.
+ @retval FALSE Encryption failed.
+
+**/
+BOOLEAN
+EFIAPI
+RsaOaepEncrypt (
+ IN VOID *RsaContext,
+ IN UINT8 *InData,
+ IN UINTN InDataSize,
+ IN CONST UINT8 *PrngSeed OPTIONAL,
+ IN UINTN PrngSeedSize OPTIONAL,
+ OUT UINT8 **EncryptedData,
+ OUT UINTN *EncryptedDataSize
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Decrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return
the
+ decrypted message in a newly allocated buffer.
+
+ Things that can cause a failure include:
+ - Fail to parse private key.
+ - Fail to allocate an intermediate buffer.
+ - Null pointer provided for a non-optional parameter.
+
+ @param[in] PrivateKey A pointer to the DER-encoded private key.
+ @param[in] PrivateKeySize Size of the private key buffer.
+ @param[in] EncryptedData Data to be decrypted.
+ @param[in] EncryptedDataSize Size of the encrypted buffer.
+ @param[out] OutData Pointer to an allocated buffer containing
the encrypted
+ message.
+ @param[out] OutDataSize Size of the encrypted message buffer.
+
+ @retval TRUE Encryption was successful.
+ @retval FALSE Encryption failed.
+
+**/
+BOOLEAN
+EFIAPI
+Pkcs1v2Decrypt (
+ IN CONST UINT8 *PrivateKey,
+ IN UINTN PrivateKeySize,
+ IN UINT8 *EncryptedData,
+ IN UINTN EncryptedDataSize,
+ OUT UINT8 **OutData,
+ OUT UINTN *OutDataSize
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
+
+/**
+ Decrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return
the
+ decrypted message in a newly allocated buffer.
+
+ Things that can cause a failure include:
+ - Fail to parse private key.
+ - Fail to allocate an intermediate buffer.
+ - Null pointer provided for a non-optional parameter.
+
+ @param[in] RsaContext A pointer to an RSA context created by
RsaNew() and
+ provisioned with a private key using
RsaSetKey().
+ @param[in] EncryptedData Data to be decrypted.
+ @param[in] EncryptedDataSize Size of the encrypted buffer.
+ @param[out] OutData Pointer to an allocated buffer containing
the encrypted
+ message.
+ @param[out] OutDataSize Size of the encrypted message buffer.
+
+ @retval TRUE Encryption was successful.
+ @retval FALSE Encryption failed.
+
+**/
+BOOLEAN
+EFIAPI
+RsaOaepDecrypt (
+ IN VOID *RsaContext,
+ IN UINT8 *EncryptedData,
+ IN UINTN EncryptedDataSize,
+ OUT UINT8 **OutData,
+ OUT UINTN *OutDataSize
+ )
+{
+ ASSERT (FALSE);
+ return FALSE;
+}
--
2.44.0.windows.1
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