34 lines
1004 B
C
34 lines
1004 B
C
/* PFLINUX compat: <crypto/sha2.h> — declarations matching OpenBSD's
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* sys/crypto/sha2.h API used by PF (SHA2_CTX union + SHA256/384/512).
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* Implementation: compat/sha2.c (vendored OpenBSD 8.0 source). */
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#ifndef _PFK_SHA2_H
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#define _PFK_SHA2_H
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#define SHA256_BLOCK_LENGTH 64
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#define SHA256_DIGEST_LENGTH 32
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#define SHA384_BLOCK_LENGTH 128
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#define SHA384_DIGEST_LENGTH 48
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#define SHA512_BLOCK_LENGTH 128
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#define SHA512_DIGEST_LENGTH 64
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typedef struct _SHA2_CTX {
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union {
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u_int32_t st32[8];
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u_int64_t st64[8];
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} state;
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u_int64_t bitcount[2];
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u_int8_t buffer[SHA512_BLOCK_LENGTH];
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} SHA2_CTX;
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void SHA256Init(SHA2_CTX *);
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void SHA256Update(SHA2_CTX *, const void *, size_t);
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void SHA256Final(u_int8_t *, SHA2_CTX *);
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void SHA384Init(SHA2_CTX *);
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void SHA384Update(SHA2_CTX *, const void *, size_t);
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void SHA384Final(u_int8_t *, SHA2_CTX *);
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void SHA512Init(SHA2_CTX *);
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void SHA512Update(SHA2_CTX *, const void *, size_t);
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void SHA512Final(u_int8_t *, SHA2_CTX *);
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#endif /* _PFK_SHA2_H */
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