diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/noscrypt.h | 20 | ||||
| -rw-r--r-- | include/noscryptutil.h | 11 |
2 files changed, 23 insertions, 8 deletions
diff --git a/include/noscrypt.h b/include/noscrypt.h index faad1f1..574cef9 100644 --- a/include/noscrypt.h +++ b/include/noscrypt.h @@ -68,7 +68,6 @@ extern "C" { */ #define BIP340_PUBKEY_HEADER_BYTE 0x02 #define NIP44_MESSAGE_KEY_SIZE 0x4c /*32 + 12 + 32 = 76 */ -#define NC_ENCRYPTION_NONCE_SIZE 0x20 #define NC_SEC_KEY_SIZE 0x20 #define NC_PUBKEY_SIZE 0x20 #define NC_CONTEXT_ENTROPY_SIZE 0x20 @@ -77,8 +76,9 @@ extern "C" { #define NC_HMAC_KEY_SIZE 0x20 #define NC_ENCRYPTION_MAC_SIZE 0x20 #define NC_MESSAGE_KEY_SIZE NIP44_MESSAGE_KEY_SIZE -#define NC_NIP04_AES_IV_SIZE 0x10 /* AES IV size is 16 bytes (aka cipher block size) */ #define NC_NIP04_AES_KEY_SIZE 0x20 /* AES 256 key size */ +#define NC_NIP44_IV_SIZE 0x20 /* 32 bytes */ +#define NC_NIP04_IV_SIZE 0x10 /* 16 bytes */ /* * From spec @@ -121,10 +121,9 @@ extern "C" { */ #define NC_ENC_SET_VERSION 0x01 -#define NC_ENC_SET_NIP44_NONCE 0x02 +#define NC_ENC_SET_IV 0x02 #define NC_ENC_SET_NIP44_MAC_KEY 0x03 #define NC_ENC_SET_NIP04_KEY 0x04 -#define NC_ENC_SET_NIP04_IV 0x05 /* A compressed resul/return value, negative values @@ -578,7 +577,7 @@ NC_EXPORT NCResult NCComputeMac( * @return NC_SUCCESS if the operation was successful, otherwise an error code. Use NCParseErrorCode to * the error code and positional argument that caused the error. */ -NC_EXPORT NCResult NCSetEncryptionProperty( +NC_EXPORT NCResult NCEncryptionSetProperty( NCEncryptionArgs* args, uint32_t property, uint32_t value @@ -595,7 +594,7 @@ NC_EXPORT NCResult NCSetEncryptionProperty( * @return NC_SUCCESS if the operation was successful, otherwise an error code. Use NCParseErrorCode to * the error code and positional argument that caused the error. */ -NC_EXPORT NCResult NCSetEncryptionPropertyEx( +NC_EXPORT NCResult NCEncryptionSetPropertyEx( NCEncryptionArgs* args, uint32_t property, uint8_t* value, @@ -612,13 +611,20 @@ NC_EXPORT NCResult NCSetEncryptionPropertyEx( * @return NC_SUCCESS if the operation was successful, otherwise an error code. Use NCParseErrorCode to * the error code and positional argument that caused the error. */ -NC_EXPORT NCResult NCSetEncryptionData( +NC_EXPORT NCResult NCEncryptionSetData( NCEncryptionArgs* args, const uint8_t* input, uint8_t* output, uint32_t dataSize ); +/* +* Gets the size of the encryption nonce (iv) for the given encryption version +* @param version The encryption version to get the nonce size for +* @return The size of the nonce in bytes, or 0 if the version is not supported +*/ +NC_EXPORT uint32_t NCEncryptionGetIvSize(uint32_t version); + #ifdef __cplusplus } #endif /* __cplusplus */ diff --git a/include/noscryptutil.h b/include/noscryptutil.h index bd60c79..709f607 100644 --- a/include/noscryptutil.h +++ b/include/noscryptutil.h @@ -132,7 +132,7 @@ NC_EXPORT NCResult NC_CC NCUtilCipherReadOutput( ); /* -* Sets a property on the encryption context. Equivalent to calling NCSetEncryptionPropertyEx +* Sets a property on the encryption context. Equivalent to calling NCEncryptionSetPropertyEx * @param ctx A valid pointer to an encryption context * @param property The property to set * @param value A pointer to the value to set @@ -176,6 +176,15 @@ NC_EXPORT NCResult NC_CC NCUtilCipherUpdate( const NCPublicKey* pk ); +/* +* Gets the size of the IV(nonce) required for the encryption context. +* @param encCtx A valid pointer to an initialized encryption context +* @return The size of the IV in bytes, or a negative error code if the context +* is invalid, or the version is not supported. Use NCParseErrorCode to get the error code +* and positional argument that caused the error. +*/ +NC_EXPORT NCResult NC_CC NCUtilCipherGetIvSize(const NCUtilCipherContext* encCtx); + #ifdef __cplusplus } #endif |