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65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
#ifndef BASE_HASH_H
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#define BASE_HASH_H
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum
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{
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SHA256_DIGEST_LENGTH=256/8,
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SHA256_MAXSTRSIZE=2*SHA256_DIGEST_LENGTH+1,
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MD5_DIGEST_LENGTH=128/8,
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MD5_MAXSTRSIZE=2*MD5_DIGEST_LENGTH+1,
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};
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typedef struct
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{
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unsigned char data[SHA256_DIGEST_LENGTH];
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} SHA256_DIGEST;
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typedef struct
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{
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unsigned char data[MD5_DIGEST_LENGTH];
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} MD5_DIGEST;
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SHA256_DIGEST sha256(const void *message, size_t message_len);
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void sha256_str(SHA256_DIGEST digest, char *str, size_t max_len);
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int sha256_from_str(SHA256_DIGEST *out, const char *str);
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int sha256_comp(SHA256_DIGEST digest1, SHA256_DIGEST digest2);
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MD5_DIGEST md5(const void *message, size_t message_len);
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void md5_str(MD5_DIGEST digest, char *str, size_t max_len);
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int md5_from_str(MD5_DIGEST *out, const char *str);
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int md5_comp(MD5_DIGEST digest1, MD5_DIGEST digest2);
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static const SHA256_DIGEST SHA256_ZEROED = {{0}};
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static const MD5_DIGEST MD5_ZEROED = {{0}};
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#ifdef __cplusplus
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}
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#endif
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#ifdef __cplusplus
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inline bool operator==(const SHA256_DIGEST &that, const SHA256_DIGEST &other)
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{
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return sha256_comp(that, other) == 0;
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}
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inline bool operator!=(const SHA256_DIGEST &that, const SHA256_DIGEST &other)
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{
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return !(that == other);
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}
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inline bool operator==(const MD5_DIGEST &that, const MD5_DIGEST &other)
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{
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return md5_comp(that, other) == 0;
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}
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inline bool operator!=(const MD5_DIGEST &that, const MD5_DIGEST &other)
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{
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return !(that == other);
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}
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#endif
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#endif // BASE_HASH_H
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