184 lines
4.2 KiB
C
184 lines
4.2 KiB
C
/*!
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\ingroup SHA
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\brief This function initializes SHA512. This is automatically called
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by wc_Sha512Hash.
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\return 0 Returned upon successfully initializing
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\param sha512 pointer to the sha512 structure to use for encryption
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_Example_
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\code
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Sha512 sha512[1];
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if ((ret = wc_InitSha512(sha512)) != 0) {
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WOLFSSL_MSG("wc_InitSha512 failed");
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}
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else {
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wc_Sha512Update(sha512, data, len);
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wc_Sha512Final(sha512, hash);
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}
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\endcode
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\sa wc_Sha512Hash
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\sa wc_Sha512Update
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\sa wc_Sha512Final
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*/
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WOLFSSL_API int wc_InitSha512(wc_Sha512*);
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/*!
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\ingroup SHA
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\brief Can be called to continually hash the provided byte array
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of length len.
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\return 0 Returned upon successfully adding the data to the digest.
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\param sha512 pointer to the sha512 structure to use for encryption
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\param data the data to be hashed
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\param len length of data to be hashed
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_Example_
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\code
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Sha512 sha512[1];
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byte data[] = { Data to be hashed };
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word32 len = sizeof(data);
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if ((ret = wc_InitSha512(sha512)) != 0) {
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WOLFSSL_MSG("wc_InitSha512 failed");
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}
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else {
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wc_Sha512Update(sha512, data, len);
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wc_Sha512Final(sha512, hash);
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}
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\endcode
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\sa wc_Sha512Hash
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\sa wc_Sha512Final
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\sa wc_InitSha512
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*/
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WOLFSSL_API int wc_Sha512Update(wc_Sha512*, const byte*, word32);
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/*!
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\ingroup SHA
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\brief Finalizes hashing of data. Result is placed into hash.
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\return 0 Returned upon successfully finalizing the hash.
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\param sha512 pointer to the sha512 structure to use for encryption
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\param hash Byte array to hold hash value.
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_Example_
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\code
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Sha512 sha512[1];
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byte data[] = { Data to be hashed };
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word32 len = sizeof(data);
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if ((ret = wc_InitSha512(sha512)) != 0) {
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WOLFSSL_MSG("wc_InitSha512 failed");
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}
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else {
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wc_Sha512Update(sha512, data, len);
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wc_Sha512Final(sha512, hash);
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}
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\endcode
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\sa wc_Sha512Hash
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\sa wc_Sha512Final
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\sa wc_InitSha512
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*/
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WOLFSSL_API int wc_Sha512Final(wc_Sha512*, byte*);
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/*!
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\ingroup SHA
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\brief This function initializes SHA384. This is automatically called
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by wc_Sha384Hash.
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\return 0 Returned upon successfully initializing
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\param sha384 pointer to the sha384 structure to use for encryption
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_Example_
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\code
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Sha384 sha384[1];
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if ((ret = wc_InitSha384(sha384)) != 0) {
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WOLFSSL_MSG("wc_InitSha384 failed");
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}
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else {
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wc_Sha384Update(sha384, data, len);
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wc_Sha384Final(sha384, hash);
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}
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\endcode
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\sa wc_Sha384Hash
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\sa wc_Sha384Update
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\sa wc_Sha384Final
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*/
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WOLFSSL_API int wc_InitSha384(wc_Sha384*);
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/*!
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\ingroup SHA
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\brief Can be called to continually hash the provided byte array
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of length len.
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\return 0 Returned upon successfully adding the data to the digest.
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\param sha384 pointer to the sha384 structure to use for encryption
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\param data the data to be hashed
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\param len length of data to be hashed
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_Example_
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\code
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Sha384 sha384[1];
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byte data[] = { Data to be hashed };
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word32 len = sizeof(data);
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if ((ret = wc_InitSha384(sha384)) != 0) {
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WOLFSSL_MSG("wc_InitSha384 failed");
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}
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else {
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wc_Sha384Update(sha384, data, len);
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wc_Sha384Final(sha384, hash);
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}
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\endcode
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\sa wc_Sha384Hash
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\sa wc_Sha384Final
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\sa wc_InitSha384
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*/
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WOLFSSL_API int wc_Sha384Update(wc_Sha384*, const byte*, word32);
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/*!
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\ingroup SHA
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\brief Finalizes hashing of data. Result is placed into hash.
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\return 0 Returned upon successfully finalizing.
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\param sha384 pointer to the sha384 structure to use for encryption
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\param hash Byte array to hold hash value.
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_Example_
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\code
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Sha384 sha384[1];
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byte data[] = { Data to be hashed };
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word32 len = sizeof(data);
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if ((ret = wc_InitSha384(sha384)) != 0) {
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WOLFSSL_MSG("wc_InitSha384 failed");
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}
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else {
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wc_Sha384Update(sha384, data, len);
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wc_Sha384Final(sha384, hash);
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}
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\endcode
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\sa wc_Sha384Hash
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\sa wc_Sha384Final
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\sa wc_InitSha384
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*/
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WOLFSSL_API int wc_Sha384Final(wc_Sha384*, byte*);
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