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Sync the SHA256 code with NetBSD HEAD.

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This fixes a buffer overflow and avoids unnecessary casts and
other cleanup thorough the code.

--HG--
extra : convert_revision : 4b389251cfb76b28028967cd60c409fe94f6c85e
This commit is contained in:
Juan RP 2009-07-29 16:30:37 +02:00
parent 9fa47ba790
commit 816baf0d8a
3 changed files with 193 additions and 117 deletions
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10
include/sha256.h
View file

@ -32,10 +32,6 @@
#ifndef _SHA2_DIGEST_H_
#define _SHA2_DIGEST_H_
typedef uint8_t sha2_byte; /* Exactly 1 byte */
typedef uint32_t sha2_word32; /* Exactly 4 bytes */
typedef uint64_t sha2_word64; /* Exactly 8 bytes */
/*** SHA-256 Various Length Definitions ***********************/
#define SHA256_BLOCK_LENGTH 64
#define SHA256_DIGEST_LENGTH 32
@ -48,8 +44,8 @@ typedef struct _SHA256_CTX {
uint8_t buffer[SHA256_BLOCK_LENGTH];
} SHA256_CTX;
void SHA256_Init(SHA256_CTX *);
void SHA256_Update(SHA256_CTX*, const uint8_t*, size_t);
char *SHA256_End(SHA256_CTX*, uint8_t[SHA256_DIGEST_STRING_LENGTH]);
int SHA256_Init(SHA256_CTX *);
int SHA256_Update(SHA256_CTX *, const uint8_t *, size_t);
char *SHA256_End(SHA256_CTX *, uint8_t *);
#endif /* !_SHA2_DIGEST_H_ */