104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/*!
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\ingroup RIPEMD
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\brief This function initializes a ripemd structure by initializing
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ripemd’s digest, buffer, loLen and hiLen.
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\return 0 returned on successful execution of the function. The RipeMd
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structure is initialized.
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\return BAD_FUNC_ARG returned if the RipeMd structure is NULL.
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\param ripemd pointer to the ripemd structure to initialize
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_Example_
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\code
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RipeMd md;
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int ret;
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ret = wc_InitRipeMd(&md);
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if (ret != 0) {
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// Failure case.
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}
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\endcode
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\sa wc_RipeMdUpdate
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\sa wc_RipeMdFinal
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*/
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WOLFSSL_API int wc_InitRipeMd(RipeMd*);
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/*!
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\ingroup RIPEMD
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\brief This function generates the RipeMd digest of the data input and
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stores the result in the ripemd->digest buffer. After running
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wc_RipeMdUpdate, one should compare the generated ripemd->digest to a
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known authentication tag to verify the authenticity of a message.
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\return 0 Returned on successful execution of the function.
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\return BAD_FUNC_ARG Returned if the RipeMd structure is NULL or if data
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is NULL and len is not zero. This function should execute if data is NULL
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and len is 0.
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\param ripemd: pointer to the ripemd structure to be initialized with
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wc_InitRipeMd
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\param data data to be hashed
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\param len sizeof data in bytes
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_Example_
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\code
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const byte* data; // The data to be hashed
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....
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RipeMd md;
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int ret;
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ret = wc_InitRipeMd(&md);
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if (ret == 0) {
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ret = wc_RipeMdUpdate(&md, plain, sizeof(plain));
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if (ret != 0) {
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// Failure case …
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\endcode
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\sa wc_InitRipeMd
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\sa wc_RipeMdFinal
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*/
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WOLFSSL_API int wc_RipeMdUpdate(RipeMd*, const byte*, word32);
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/*!
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\ingroup RIPEMD
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\brief This function copies the computed digest into hash. If there is a
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partial unhashed block, this method will pad the block with 0s, and
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include that block’s round in the digest before copying to hash. State
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of ripemd is reset.
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\return 0 Returned on successful execution of the function. The state of
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the RipeMd structure has been reset.
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\return BAD_FUNC_ARG Returned if the RipeMd structure or hash parameters
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are NULL.
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\param ripemd pointer to the ripemd structure to be initialized with
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wc_InitRipeMd, and containing hashes from wc_RipeMdUpdate. State will
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be reset
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\param hash buffer to copy digest to. Should be RIPEMD_DIGEST_SIZE bytes
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_Example_
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\code
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RipeMd md;
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int ret;
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byte digest[RIPEMD_DIGEST_SIZE];
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const byte* data; // The data to be hashed
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...
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ret = wc_InitRipeMd(&md);
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if (ret == 0) {
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ret = wc_RipeMdUpdate(&md, plain, sizeof(plain));
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if (ret != 0) {
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// RipeMd Update Failure Case.
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}
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ret = wc_RipeMdFinal(&md, digest);
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if (ret != 0) {
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// RipeMd Final Failure Case.
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}...
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\endcode
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\sa none
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*/
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WOLFSSL_API int wc_RipeMdFinal(RipeMd*, byte*);
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