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otPlatCryptoEcdsaSign() function
Calculate the ECDSA signature for a hashed message using the private key from the input context. Uses the deterministic digital signature generation procedure from RFC 6979.
Syntax
otError otPlatCryptoEcdsaSign(const otPlatCryptoEcdsaKeyPair *aKeyPair,
const otPlatCryptoSha256Hash *aHash,
otPlatCryptoEcdsaSignature *aSignature);
Implemented in ![]()
crypto_platform.cpp:559
Return value
OT_ERROR_NONE The signature was calculated successfully, @p aSignature was updated. OT_ERROR_PARSE The key-pair DER format could not be parsed (invalid format). OT_ERROR_NO_BUFS Failed to allocate buffer for signature calculation. OT_ERROR_INVALID_ARGS The @p aContext is NULL.
Related Functions
Found 2 other functions taking a ![]()
otPlatCryptoEcdsaKeyPair
argument:
Function
Description
Generate and populate the output buffer with a new ECDSA key-pair.
Get the associated public key from the input context.
References
Code
Location
Call Tree
otPlatCryptoEcdsaSign() calls 16 functions:
Data Use
otPlatCryptoEcdsaSign() reads 12 variables: