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Hash: Define init/update/final functions for sha256 and ripemd160

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This commit is contained in:
Henrik Hautakoski 2023-05-30 13:47:38 +02:00
parent 891d2e970d
commit 610c32c171
2 changed files with 62 additions and 0 deletions
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38
include/libantelope/hash.hpp
View file

@ -25,6 +25,7 @@
#define LIBANTELOPE_HASH_H #define LIBANTELOPE_HASH_H
#include <cstddef> #include <cstddef>
#include <libantelope/internal/hash.hpp>
namespace libantelope { namespace libantelope {
@ -34,6 +35,26 @@ namespace libantelope {
typedef unsigned char ripemd160_t[20]; typedef unsigned char ripemd160_t[20];
typedef unsigned char sha256_t[32]; typedef unsigned char sha256_t[32];
typedef internal::sha256_state sha256_ctx_t;
typedef internal::ripemd160_state ripemd160_ctx_t;
/**
* Initialize a sha256_ctx_t structure
*/
int sha256_init(sha256_ctx_t* ctx);
/**
* Update the sha256 hash value with the contents in `data` up to `len` bytes.
* This can be called repeatedly to hash chunks of data.
*/
int sha256_update(sha256_ctx_t* ctx, const void *data, std::size_t len);
/**
* Place the message digest in out variable.
* The ctx's internal state is reset after this operation.
*/
int sha256_final(sha256_ctx_t* ctx, sha256_t* out);
/** /**
* sha256 hashing function. * sha256 hashing function.
* Hashes the content in `data` up to `len` bytes. The result is stored in `out`. * Hashes the content in `data` up to `len` bytes. The result is stored in `out`.
@ -48,6 +69,23 @@ sha256_t* sha256(const unsigned char *data, std::size_t len, sha256_t* out);
*/ */
sha256_t* sha256d(const unsigned char *data, std::size_t len, sha256_t* out); sha256_t* sha256d(const unsigned char *data, std::size_t len, sha256_t* out);
/**
* Initialize a ripmemd160_ctx_t structure
*/
int ripemd160_init(ripemd160_ctx_t* ctx);
/**
* Update the RipeMD160 hash value with the contents in `data` up to `len` bytes.
* This can be called repeatedly to hash chunks of data.
*/
int ripemd160_update(ripemd160_ctx_t* ctx, const void *data, std::size_t len);
/**
* Places the RipeMD160 message digest in out variable.
* The ctx's internal state is reset after this operation.
*/
int ripemd160_final(ripemd160_ctx_t* ctx, ripemd160_t* out);
/** /**
* RipeMD160 hashing function. * RipeMD160 hashing function.
* Hashes the content in `data` up to `len` bytes. The result is stored in `out`. * Hashes the content in `data` up to `len` bytes. The result is stored in `out`.

24
src/openssl/hash.cpp
View file

@ -27,6 +27,18 @@
namespace libantelope { namespace libantelope {
int sha256_init(struct sha256_ctx* ctx) {
return SHA256_Init((SHA256_CTX*)ctx);
}
int sha256_update(sha256_ctx_t* ctx, const void *data, std::size_t len) {
return SHA256_Update((SHA256_CTX*)ctx, data, len);
}
int sha256_final(sha256_ctx_t* ctx, sha256_t* out) {
return SHA256_Final((unsigned char*) out, (SHA256_CTX*)ctx);
}
sha256_t* sha256(const unsigned char *data, std::size_t len, sha256_t* out) { sha256_t* sha256(const unsigned char *data, std::size_t len, sha256_t* out) {
return (sha256_t *) SHA256(data, len, (unsigned char*) out); return (sha256_t *) SHA256(data, len, (unsigned char*) out);
} }
@ -36,6 +48,18 @@ sha256_t* sha256d(const unsigned char *data, std::size_t len, sha256_t* out) {
return (sha256_t *) SHA256((unsigned char*) out, 32, (unsigned char*) out); return (sha256_t *) SHA256((unsigned char*) out, 32, (unsigned char*) out);
} }
int ripemd160_init(ripemd160_ctx_t* ctx) {
return RIPEMD160_Init((RIPEMD160_CTX*)ctx);
}
int ripemd160_update(ripemd160_ctx_t* ctx, const void *data, std::size_t len) {
return RIPEMD160_Update((RIPEMD160_CTX*)ctx, data, len);
}
int ripemd160_final(ripemd160_ctx_t* ctx, ripemd160_t* out) {
return RIPEMD160_Final((unsigned char*) out, (RIPEMD160_CTX*)ctx);
}
ripemd160_t* ripemd160(const unsigned char *data, std::size_t len, ripemd160_t* out) { ripemd160_t* ripemd160(const unsigned char *data, std::size_t len, ripemd160_t* out) {
return (ripemd160_t *) RIPEMD160(data, len, (unsigned char*) out); return (ripemd160_t *) RIPEMD160(data, len, (unsigned char*) out);
} }