dmac5.h

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#ifndef _PSP2_DMAC5_H_
#define _PSP2_DMAC5_H_
 
#include <vitasdk/build_utils.h>
#include <psp2/types.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
 
typedef struct SceSblDmac5EncDecParam { // size is 0x18-bytes
    const void *src; //<! The operation input buffer
    void *dst;       //<! The operation output buffer
    SceSize length;  //<! The src data length
    const void *key; //<! The key data
    SceSize keysize; //<! The key size in bits
    void *iv;        //<! The initialization vector
} SceSblDmac5EncDecParam;
VITASDK_BUILD_ASSERT_EQ(0x18, SceSblDmac5EncDecParam);
 
typedef struct SceSblDmac5HashTransformContext { // size is 0x28-bytes
    SceUInt32 state[8];
    SceUInt64 length;
} SceSblDmac5HashTransformContext;
VITASDK_BUILD_ASSERT_EQ(0x28, SceSblDmac5HashTransformContext);
 
typedef struct SceSblDmac5HashTransformParam { // size is 0x18-bytes
    const void *src; //<! The operation input buffer
    void *dst;       //<! The operation output buffer
    SceSize length;  //<! The src data length
    const void *key; //<! The key data
    SceSize keysize; //<! The key size in bits
    void *ctx;       //<! SceSblDmac5HashTransformContext Or another context of size 0x10-bytes
} SceSblDmac5HashTransformParam;
VITASDK_BUILD_ASSERT_EQ(0x18, SceSblDmac5HashTransformParam);
 
int sceSblDmac5EncDec(SceSblDmac5EncDecParam *param, SceUInt32 command);
 
 
int sceSblDmac5HashTransform(SceSblDmac5HashTransformParam *param, SceUInt32 command, SceUInt32 extra);
 
 
static inline int sceSblDmac5AesCbcEnc(const void *src, void *dst, SceSize length, const void *key, SceSize keysize, void *iv)
{
    SceSblDmac5EncDecParam param = {.src = src, .dst = dst, .length = length, .key = key, .keysize = keysize, .iv = iv};
 
    return sceSblDmac5EncDec(
        &param,
        1 | 8 | (((keysize << 2) - 0x100) & 0x300)
    );
}
 
static inline int sceSblDmac5AesCbcDec(const void *src, void *dst, SceSize length, const void *key, SceSize keysize, void *iv)
{
    SceSblDmac5EncDecParam param = {.src = src, .dst = dst, .length = length, .key = key, .keysize = keysize, .iv = iv};
 
    return sceSblDmac5EncDec(
        &param,
        2 | 8 | (((keysize << 2) - 0x100) & 0x300)
    );
}
 
static inline int sceSblDmac5AesCtrEnc(const void *src, void *dst, SceSize length, const void *key, SceSize keysize, void *iv)
{
    SceSblDmac5EncDecParam param = {.src = src, .dst = dst, .length = length, .key = key, .keysize = keysize, .iv = iv};
 
    return sceSblDmac5EncDec(
        &param,
        1 | 0x20 | (((keysize << 2) - 0x100) & 0x300)
    );
}
 
static inline int sceSblDmac5AesCtrDec(const void *src, void *dst, SceSize length, const void *key, SceSize keysize, void *iv)
{
    SceSblDmac5EncDecParam param = {.src = src, .dst = dst, .length = length, .key = key, .keysize = keysize, .iv = iv};
 
    return sceSblDmac5EncDec(
        &param,
        2 | 0x20 | (((keysize << 2) - 0x100) & 0x300)
    );
}
 
static inline int sceSblDmac5Sha256Digest(const void *src, void *dst, SceSize length)
{
    SceSblDmac5HashTransformContext ctx;
    SceSblDmac5HashTransformParam param = {.src = src, .dst = dst, .length = length, .key = NULL, .keysize = 0, .ctx = &ctx};
 
    ctx.state[0] = __builtin_bswap32(0x6a09e667);
    ctx.state[1] = __builtin_bswap32(0xbb67ae85);
    ctx.state[2] = __builtin_bswap32(0x3c6ef372);
    ctx.state[3] = __builtin_bswap32(0xa54ff53a);
    ctx.state[4] = __builtin_bswap32(0x510e527f);
    ctx.state[5] = __builtin_bswap32(0x9b05688c);
    ctx.state[6] = __builtin_bswap32(0x1f83d9ab);
    ctx.state[7] = __builtin_bswap32(0x5be0cd19);
    ctx.length = 0LL;
 
    return sceSblDmac5HashTransform(
        &param,
        3 | 0x10, 0x800
    );
}
 
 
#ifdef __cplusplus
}
#endif
 
#endif /* _PSP2_DMAC5_H_ */