Add psp2kern/kernel/utils.h (#349)

1 files changed, 67 insertions, 0 deletions

diff --git a/include/kernel/kernel/utils.h b/include/kernel/kernel/utils.h
new file mode 100644
index 0000000..bbfaaf7
--- /dev/null
+++ b/include/kernel/kernel/utils.h
@@ -0,0 +1,67 @@
+#ifndef _PSP2_KERNEL_UTILS_H_
+#define _PSP2_KERNEL_UTILS_H_
+
+#include <psp2kern/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define SCE_SHA1_BLOCK_SIZE    64
+#define SCE_SHA1_DIGEST_SIZE   20
+#define SCE_SHA224_BLOCK_SIZE  64
+#define SCE_SHA224_DIGEST_SIZE 28
+#define SCE_SHA256_BLOCK_SIZE  64
+#define SCE_SHA256_DIGEST_SIZE 32
+
+typedef struct SceSha1Context {
+	uint32_t h[5];
+	uint16_t usRemains;
+	uint16_t usComputed;
+	uint64_t ullTotalLen;
+	char buf[SCE_SHA1_BLOCK_SIZE];
+	char result[SCE_SHA1_DIGEST_SIZE];
+	uint32_t pad;
+} SceSha1Context;
+
+typedef struct SceSha224Context {
+	uint32_t h[8];
+	uint32_t pad;
+	uint16_t usRemains;
+	uint16_t usComputed;
+	uint64_t ullTotalLen;
+	char buf[SCE_SHA224_BLOCK_SIZE];
+	char result[SCE_SHA224_DIGEST_SIZE];
+	uint32_t pad2;
+} SceSha224Context;
+
+typedef struct SceSha256Context {
+	uint32_t h[8];
+	uint32_t pad;
+	uint16_t usRemains;
+	uint16_t usComputed;
+	uint64_t ullTotalLen;
+	char buf[SCE_SHA256_BLOCK_SIZE];
+	char result[SCE_SHA256_DIGEST_SIZE];
+} SceSha256Context;
+
+int sceSha1BlockInit(SceSha1Context *pContext);
+int sceSha1BlockUpdate(SceSha1Context *pContext, const void *plain, uint32_t len);
+int sceSha1BlockResult(SceSha1Context *pContext, char *digest);
+int sceSha1Digest(const void *plain, uint32_t len, char *result);
+
+int sceSha224BlockInit(SceSha224Context *pContext);
+int sceSha224BlockUpdate(SceSha224Context *pContext, const void *plain, uint32_t len);
+int sceSha224BlockResult(SceSha224Context *pContext, char *digest);
+int sceSha224Digest(const void *plain, uint32_t len, char *result);
+
+int sceSha256BlockInit(SceSha256Context *pContext);
+int sceSha256BlockUpdate(SceSha256Context *pContext, const void *plain, uint32_t len);
+int sceSha256BlockResult(SceSha256Context *pContext, char *digest);
+int sceSha256Digest(const void *plain, uint32_t len, char *result);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PSP2_KERNEL_UTILS_H_ */