sha2.h
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00046 #ifndef __LDNS_SHA2_H__
00047 #define __LDNS_SHA2_H__
00048
00049 #ifdef __cplusplus
00050 extern "C" {
00051 #endif
00052
00053
00054
00055
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00057
00058
00059 #include <sys/types.h>
00060
00061 #if LDNS_BUILD_CONFIG_HAVE_INTTYPES_H
00062
00063 #include <inttypes.h>
00064
00065 #endif
00066
00067
00068
00069 #define LDNS_SHA256_BLOCK_LENGTH 64
00070 #define LDNS_SHA256_DIGEST_LENGTH 32
00071 #define LDNS_SHA256_DIGEST_STRING_LENGTH (LDNS_SHA256_DIGEST_LENGTH * 2 + 1)
00072 #define LDNS_SHA384_BLOCK_LENGTH 128
00073 #define LDNS_SHA384_DIGEST_LENGTH 48
00074 #define LDNS_SHA384_DIGEST_STRING_LENGTH (LDNS_SHA384_DIGEST_LENGTH * 2 + 1)
00075 #define LDNS_SHA512_BLOCK_LENGTH 128
00076 #define LDNS_SHA512_DIGEST_LENGTH 64
00077 #define LDNS_SHA512_DIGEST_STRING_LENGTH (LDNS_SHA512_DIGEST_LENGTH * 2 + 1)
00078
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00082 typedef struct _ldns_sha256_CTX {
00083 uint32_t state[8];
00084 uint64_t bitcount;
00085 uint8_t buffer[LDNS_SHA256_BLOCK_LENGTH];
00086 } ldns_sha256_CTX;
00087 typedef struct _ldns_sha512_CTX {
00088 uint64_t state[8];
00089 uint64_t bitcount[2];
00090 uint8_t buffer[LDNS_SHA512_BLOCK_LENGTH];
00091 } ldns_sha512_CTX;
00092
00093 typedef ldns_sha512_CTX ldns_sha384_CTX;
00094
00095
00096
00097 void ldns_sha256_init(ldns_sha256_CTX *);
00098 void ldns_sha256_update(ldns_sha256_CTX*, const uint8_t*, size_t);
00099 void ldns_sha256_final(uint8_t[LDNS_SHA256_DIGEST_LENGTH], ldns_sha256_CTX*);
00100
00101 void ldns_sha384_init(ldns_sha384_CTX*);
00102 void ldns_sha384_update(ldns_sha384_CTX*, const uint8_t*, size_t);
00103 void ldns_sha384_final(uint8_t[LDNS_SHA384_DIGEST_LENGTH], ldns_sha384_CTX*);
00104
00105 void ldns_sha512_init(ldns_sha512_CTX*);
00106 void ldns_sha512_update(ldns_sha512_CTX*, const uint8_t*, size_t);
00107 void ldns_sha512_final(uint8_t[LDNS_SHA512_DIGEST_LENGTH], ldns_sha512_CTX*);
00108
00119 unsigned char *ldns_sha256(unsigned char *data, unsigned int data_len, unsigned char *digest);
00120
00131 unsigned char *ldns_sha384(unsigned char *data, unsigned int data_len, unsigned char *digest);
00132
00143 unsigned char *ldns_sha512(unsigned char *data, unsigned int data_len, unsigned char *digest);
00144
00145 #ifdef __cplusplus
00146 }
00147 #endif
00148
00149 #endif