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Make salsa20 dependency a c project instead of c++

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Jan 2019-10-22 00:13:13 +02:00
parent 5b97aee87f
commit fb3b62fa69
2 changed files with 12 additions and 12 deletions
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10
thirdparty/salsa20/salsa20.cpp → thirdparty/salsa20/salsa20.c vendored
View File

@ -5,7 +5,7 @@ Public domain.
*/
#include "salsa20.h"
#include <cassert>
#include <assert.h>
#define U8V(v) ((uint8_t)(v) & 0xFFu)
#define U16V(v) ((uint16_t)(v) & 0xFFFFu)
@ -88,7 +88,7 @@ static void Salsa20_WordToByte(uint8_t output[64], const uint32_t input[16])
static const char* sigma = "expand 32-byte k";
static const char* tau = "expand 16-byte k";
void Salsa20_KeySetup(salsa20_ctx* ctx, const uint8_t* key, const uint32_t keySize)
void Salsa20_KeySetup(salsa20_ctx_t* ctx, const uint8_t* key, const uint32_t keySize)
{
const char* constants;
@ -119,7 +119,7 @@ void Salsa20_KeySetup(salsa20_ctx* ctx, const uint8_t* key, const uint32_t keySi
ctx->m_input[15] = U8TO32_LITTLE(constants + 12);
}
void Salsa20_IVSetup(salsa20_ctx* ctx, const uint8_t* iv)
void Salsa20_IVSetup(salsa20_ctx_t* ctx, const uint8_t* iv)
{
ctx->m_input[6] = U8TO32_LITTLE(iv + 0);
ctx->m_input[7] = U8TO32_LITTLE(iv + 4);
@ -127,7 +127,7 @@ void Salsa20_IVSetup(salsa20_ctx* ctx, const uint8_t* iv)
ctx->m_input[9] = 0;
}
void Salsa20_Encrypt_Bytes(salsa20_ctx* ctx, const uint8_t* plainText, uint8_t* cipherText, uint32_t msgLen)
void Salsa20_Encrypt_Bytes(salsa20_ctx_t* ctx, const uint8_t* plainText, uint8_t* cipherText, uint32_t msgLen)
{
uint8_t output[64];
unsigned int i;
@ -154,7 +154,7 @@ void Salsa20_Encrypt_Bytes(salsa20_ctx* ctx, const uint8_t* plainText, uint8_t*
}
}
void Salsa20_Decrypt_Bytes(salsa20_ctx* ctx, const uint8_t* cipherText, uint8_t* plainText, const uint32_t msgLen)
void Salsa20_Decrypt_Bytes(salsa20_ctx_t* ctx, const uint8_t* cipherText, uint8_t* plainText, const uint32_t msgLen)
{
Salsa20_Encrypt_Bytes(ctx, cipherText, plainText, msgLen);
}

14
thirdparty/salsa20/salsa20.h vendored
View File

@ -6,12 +6,12 @@ Public domain.
#pragma once
#include <cstdint>
#include <stdint.h>
struct salsa20_ctx
typedef struct salsa20_ctx
{
uint32_t m_input[16];
};
} salsa20_ctx_t;
/*
* Initializes the context with the chosen key.
@ -20,7 +20,7 @@ struct salsa20_ctx
* key: A pointer to the key bytes.
* keySize: The length of the key in bits. Has to be 128 or 256.
*/
void Salsa20_KeySetup(salsa20_ctx* ctx, const uint8_t* key, uint32_t keySize);
void Salsa20_KeySetup(salsa20_ctx_t* ctx, const uint8_t* key, uint32_t keySize);
/*
* Initializes or changes the IV of the context.
@ -29,7 +29,7 @@ void Salsa20_KeySetup(salsa20_ctx* ctx, const uint8_t* key, uint32_t keySize);
* ctx: The context to initialize.
* iv: A pointer to the IV bytes. Must be 64 bits long.
*/
void Salsa20_IVSetup(salsa20_ctx* ctx, const uint8_t* iv);
void Salsa20_IVSetup(salsa20_ctx_t* ctx, const uint8_t* iv);
/*
* Encrypts the specified amount of plain text and writes it to the cipher text buffer.
@ -40,7 +40,7 @@ void Salsa20_IVSetup(salsa20_ctx* ctx, const uint8_t* iv);
* plainText: A pointer to the plain text buffer which must at least be msgLen bytes.
* msgLen: The amount of bytes to encrypt.
*/
void Salsa20_Encrypt_Bytes(salsa20_ctx* ctx, const uint8_t* plainText, uint8_t* cipherText, uint32_t msgLen);
void Salsa20_Encrypt_Bytes(salsa20_ctx_t* ctx, const uint8_t* plainText, uint8_t* cipherText, uint32_t msgLen);
/*
* Decrypts the specified amount of cipher text and writes it to the plain text buffer.
@ -52,4 +52,4 @@ void Salsa20_Encrypt_Bytes(salsa20_ctx* ctx, const uint8_t* plainText, uint8_t*
* plainText: A pointer to the plain text buffer which must at least be msgLen bytes.
* msgLen: The amount of bytes to decrypt.
*/
void Salsa20_Decrypt_Bytes(salsa20_ctx* ctx, const uint8_t* cipherText, uint8_t* plainText, uint32_t msgLen);
void Salsa20_Decrypt_Bytes(salsa20_ctx_t* ctx, const uint8_t* cipherText, uint8_t* plainText, uint32_t msgLen);